TETRAPHASE PHARMACEUTICALS, INC.

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Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

Centers for Medicare & Medicaid Services, Open Payments

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state.

Page 1 of 18; records 1–50 of 865 matching records. This page contains 50 records (maximum 50), not the full filtered export. Use the CSV download for all matching records.

IndustryPayments · General Payments

TETRAPHASE PHARMACEUTICALS, INC.

CMS reporting company ID 100000391810

General Payments, PY2020; Recipient scope: All recipient types; Nature of payment: All payment types

Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00

Page 1 of 18; records 1–50 of 865 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/company/100000391810?year=2020&recipient=all#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/a08c4b30-5cf3-4948-ad40-36f404619019

Cite these filtered records

The citation includes this program year, filters, data edition, and page of results.

Plain
TETRAPHASE PHARMACEUTICALS, INC., CMS reporting company ID 100000391810. General Payments, PY2020; Recipient scope: All recipient types; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 18; records 1–50 of 865 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/company/100000391810?year=2020&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/a08c4b30-5cf3-4948-ad40-36f404619019.
APA 7
IndustryPayments. (2026). TETRAPHASE PHARMACEUTICALS, INC., CMS reporting company ID 100000391810. General Payments, PY2020; Recipient scope: All recipient types; Nature of payment: All payment types. Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00. Page 1 of 18; records 1–50 of 865 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/company/100000391810?year=2020&recipient=all#records-h. Source: https://openpaymentsdata.cms.gov/dataset/a08c4b30-5cf3-4948-ad40-36f404619019.
Bluebook
TETRAPHASE PHARMACEUTICALS, INC., CMS reporting company ID 100000391810, IndustryPayments, General Payments, PY2020; Recipient scope: All recipient types; Nature of payment: All payment types (Data edition: cms-20260630-workflow-20261105-v2; CMS publication: 2026-06-30; records imported: 2026-11-05T09:06:52.159882+00:00). Page 1 of 18; records 1–50 of 865 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/a08c4b30-5cf3-4948-ad40-36f404619019. https://industrypayments.org/company/100000391810?year=2020&recipient=all#records-h.

Centers for Medicare & Medicaid Services, Open Payments

Citation formats are provided for reference; check the requirements of your publication.

Payment records · PY2020

Date, newest first, then reporting company; values as published by CMS.

General Payments · PY2020 · All recipient types · CMS publication 2026-06-30

865 matching records · $96,311.60 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 865 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 865.

Recipient Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
MICHAEL S GELFAND
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $2,274.0012/28/2020 Honoraria No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316511 CMS
MICHAEL S GELFAND
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $3,898.0012/28/2020 Honoraria No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316513 CMS
MICHAEL S GELFAND
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $144.6012/28/2020 Travel and Lodging No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316515 CMS
ROBERT HESS CAMPBELL
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $84.4812/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316131 CMS
ROBERT HESS CAMPBELL
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $12.4612/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316133 CMS
STEPHEN F CLARK
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $84.4812/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316201 CMS
STEPHEN F CLARK
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $12.4612/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316203 CMS
JOSEPH C GATHE
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $1,497.0012/08/2020 Honoraria No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316469 CMS
MICHAEL S GELFAND
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $84.4812/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316507 CMS
MICHAEL S GELFAND
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $12.4612/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316509 CMS
JAVAD GOLZARIAN
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $84.4812/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316545 CMS
GUILLERMO O PADILLA-PINEDA
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $1,497.0012/08/2020 Honoraria No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317119 CMS
GUILLERMO O PADILLA-PINEDA
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $1,497.0012/08/2020 Honoraria No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317121 CMS
BLAKE ADAM SPINDLER
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $84.4812/08/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317419 CMS
JUAN D DIAZ
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $103.1211/19/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316327 CMS
COREY H HENDERSON
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $103.1211/19/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316617 CMS
ELIAHOU BISHBURG
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $15.3511/18/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316067 CMS
JOSEPH C GATHE
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $92.3811/18/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316467 CMS
SAGY GRINBERG
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $15.3511/18/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316561 CMS
BRANDY J MCKELVY
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $92.3811/18/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316963 CMS
SANDHYA NAGARAKANTI
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $15.3511/18/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317013 CMS
HECTOR BRUNET RODRIGUEZ
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $125.0011/12/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316097 CMS
GANESH DHOBLE
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $125.0011/12/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316325 CMS
ALLAN S MATRIANO-LIM
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $125.0011/12/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316947 CMS
GUILLERMO O PADILLA-PINEDA
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $125.0011/12/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317117 CMS
MARK H SMITH
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $125.0011/12/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317405 CMS
MELANIE M SMITH
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $125.0011/12/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317407 CMS
PETER DEAN HOUNTRAS
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $110.7610/13/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316657 CMS
JAMES C LAVELLE
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $110.7610/13/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316849 CMS
JIHAD SLIM
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $1,875.0009/01/2020 Honoraria No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317401 CMS
DANISH PERWAIZ ABBASI
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $18.8507/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748315815 CMS
ASHOK GUPTA
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $18.8507/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316569 CMS
RAMESH C GUPTA
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $18.8507/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316575 CMS
ANAMIKA K PATEL
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $18.8507/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317141 CMS
KIRTIKUMAR PATEL
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $18.8507/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317145 CMS
ESMAEEL RAHMANI
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $18.8507/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317195 CMS
SUSHMA RAMPRASAD RAO
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $18.8507/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317209 CMS
JIHAD SLIM
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $18.8507/29/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317399 CMS
GINA M BERTHOLD
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $19.4407/28/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316049 CMS
PAUL F KAMITSUKA
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $19.4407/28/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316745 CMS
MATTHEW C SINCOCK
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $19.4407/28/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317387 CMS
SEJAL MAKVANA BHAVSAR
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $22.9707/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316059 CMS
SAMIT S DESAI
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $22.9707/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316295 CMS
ELLIOT FRANK
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $22.9707/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316439 CMS
JOSE M FUNE
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $22.9707/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316445 CMS
DIANE M MARCHESANI
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $22.9707/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316931 CMS
JOSEPH MARZANO
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $22.9707/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316945 CMS
PARAS C UDANI
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $22.9707/23/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748317501 CMS
BRENT WILLIAM LAARTZ
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $9.0007/22/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316823 CMS
BRIAN CONTRERAS
Physician / non-physician practitioner
TETRAPHASE PHARMACEUTICALS, INC. $16.7007/21/2020 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 748316217 CMS

Practitioner overview · all loaded program years

2,087 providers listed 4,895 records General Payments

General Payments to practitioners — all loaded program years

  • Category: General Payments
  • Program years: 2019, 2020, 2023, 2025
  • Record count: 4,895
  • Providers listed: 2,087

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

Figures reflect General Payments this manufacturer or GPO reported to CMS. Research and Ownership/Investment payments are separate datasets and are not included here.

Coverage: program years 2019–2025, General Payments only, reported to physicians and non-physician practitioners. Payments to teaching hospitals are not included in these practitioner figures. Each figure is labeled with its category and program year; categories are never combined.

Practitioner payments by program year

Program yearReportedRecordsProvidersDetail
PY2019 $683,289.15 3,721 1,614 This company in PY2019 →
PY2020 $96,311.60 865 611 This company in PY2020 →
PY2023 $11,613.00 3 3 This company in PY2023 →
PY2025 $6,849.12 306 210 This company in PY2025 →

By recipient specialty (76)

Sorted by name; identical names by identifier.

Allopathic & Osteopathic Physicians 65 specialties 2,004 providers
Physician Assistants & Advanced Practice Nursing Providers 8 specialties 50 providers
Podiatric Medicine & Surgery Service Providers 3 specialties 14 providers

Providers listed (2,087)

Sorted by name; identical names by identifier.

ProviderSpecialtyStateRecords reported by this company
AARON COOKS Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease FL 7
AARON D FISCHER Allopathic & Osteopathic Physicians|Hospitalist TX 2
AARON ELI BERGSMAN Allopathic & Osteopathic Physicians|Surgery NC 1
AARON M MULHALL Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease KY 1
AARON RUSSELL Allopathic & Osteopathic Physicians|Surgery TX 1
AARTI DESAI Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease VA 4
ABBIE SCHUSTER Allopathic & Osteopathic Physicians|Surgery MO 1
ABDUL QAVI Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease TX 1
ABED KANZY Allopathic & Osteopathic Physicians|Hospitalist MI 1
ABHAY DHAND Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease NY 49
ABHIJEET A NAKAVE Allopathic & Osteopathic Physicians|Hospitalist VA 1
ABRAHAM ISHAAYA Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease CA 1
ABU TAHER MD ZIAUL HASAN Allopathic & Osteopathic Physicians|Internal Medicine DC 1
ADAM HARRISON BEALL Allopathic & Osteopathic Physicians|Surgery SC 1
ADAM JOSEPH PETTIGREW Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease GA 2
ADAM M BRESSLER Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease GA 4
ADDISON K MAY Allopathic & Osteopathic Physicians|Surgery|Surgical Critical Care NC 7
ADEEL AFZAL Allopathic & Osteopathic Physicians|Internal Medicine TX 1
ADEEL AHMAD Allopathic & Osteopathic Physicians|Dermatology|Dermatopathology WV 1
ADEEL JABRAN AHMED Allopathic & Osteopathic Physicians|Internal Medicine OH 1
ADEL D IRANI Allopathic & Osteopathic Physicians|Thoracic Surgery (Cardiothoracic Vascular Surgery) TX 2
ADHISH SINGH Allopathic & Osteopathic Physicians|Internal Medicine TX 2
ADIL HABIB Allopathic & Osteopathic Physicians|Internal Medicine|Transplant Hepatology TX 1
ADRESE KANDAHARI Allopathic & Osteopathic Physicians|Internal Medicine NY 2
ADRIANA DENYS CASTILLO Allopathic & Osteopathic Physicians|Family Medicine TX 1
ADRIANA E NUR Allopathic & Osteopathic Physicians|Internal Medicine|Hospice and Palliative Medicine TX 1
ADRIANA T GAIDICI Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease AZ 3
ADRIENNE D HATCHETT Allopathic & Osteopathic Physicians|Family Medicine AR 1
AGNIESZKA KRAWCZUK Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease PA 1
AHMAR JAFARY Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease NJ 1
AHMED ABUBAKER Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease TX 1
AHMED O FAROOQ Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease FL 2
AHMED S TALEB ABDELLAH Allopathic & Osteopathic Physicians|Internal Medicine MO 1
AHMED T ABDELAL Allopathic & Osteopathic Physicians|Internal Medicine AR 1
AILEEN MARIA MARTY Allopathic & Osteopathic Physicians|Pathology|Anatomic Pathology & Clinical Pathology FL 1
AILEEN P TLAMSA Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease NJ 1
AIMEE L MANDAPAT Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease OH 5
AJIT SINGH Allopathic & Osteopathic Physicians|Internal Medicine MD 1
AKRAM SHAKHASHIRO Allopathic & Osteopathic Physicians|Internal Medicine TX 2
ALAA WALID AHMAD HABASH Allopathic & Osteopathic Physicians|Internal Medicine|Gastroenterology NC 1
ALAN D BETENSLEY Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease IL 1
ALAN D SBAR Allopathic & Osteopathic Physicians|Surgery TX 1
ALAN F ROTHFELD Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease CA 1
ALAN HOWELL Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease MO 1
ALAN J TAEGE Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease OH 13
ALAN M BULBIN Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease NY 1
ALAN PHILLIP MULLINS Allopathic & Osteopathic Physicians|Surgery KY 1
ALBERT B KIM Allopathic & Osteopathic Physicians|Internal Medicine|Pulmonary Disease OH 1
ALBERTO MESTRE Allopathic & Osteopathic Physicians|Internal Medicine|Infectious Disease FL 2
ALEJANDRO MEJIA Allopathic & Osteopathic Physicians|Transplant Surgery TX 1