Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · CMS publication 2026-06-30 View official record

Covered recipient · General Payments record

IAN R HANTMAN

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1609061043
CMS profile
344679
Location
NEW ROCHELLE, NY

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

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General Payments · PY2019 · Entire year

$3,673.20

185 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

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

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

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.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated . 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. View the official CMS record ↗

By nature of payment

PY2019 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $3,558.68 183
Education $114.52 2

By paying entity

PY2019 · entire year · sorted by reported total

Page 2 of 4; records 51–100 of 185 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

IAN R HANTMAN

NPI 1609061043 · CMS profile ID 344679

Allopathic & Osteopathic Physicians / Internal Medicine / Hematology & Oncology

NEW ROCHELLE, NY

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; 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 2 of 4; records 51–100 of 185 matching records. This page contains 50 records (maximum 50), not the full filtered export.

Filtered page: https://industrypayments.org/provider/npi-1609061043?year=2019&recipient=provider&page=2#records-h

CMS source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e

Cite these filtered records

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

Plain
IAN R HANTMAN, NPI 1609061043, CMS profile ID 344679. General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; 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 2 of 4; records 51–100 of 185 matching records. This page contains 50 records (maximum 50), not the full filtered export. IndustryPayments. https://industrypayments.org/provider/npi-1609061043?year=2019&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
APA 7
IndustryPayments. (2026). IAN R HANTMAN, NPI 1609061043, CMS profile ID 344679. General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; 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 2 of 4; records 51–100 of 185 matching records. This page contains 50 records (maximum 50), not the full filtered export. [Filtered data set page]. https://industrypayments.org/provider/npi-1609061043?year=2019&recipient=provider&page=2#records-h. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e.
Bluebook
IAN R HANTMAN, NPI 1609061043, CMS profile ID 344679, IndustryPayments, General Payments, PY2019; Recipient scope: Physicians and non-physician practitioners; Reporting company: All reporting companies; 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 2 of 4; records 51–100 of 185 matching records. This page contains 50 records (maximum 50), not the full filtered export. Source: https://openpaymentsdata.cms.gov/dataset/4e54dd6c-30f8-4f86-86a7-3c109a89528e. https://industrypayments.org/provider/npi-1609061043?year=2019&recipient=provider&page=2#records-h.

Centers for Medicare & Medicaid Services, Open Payments

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

Payment records · PY2019

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

General Payments · PY2019 · Physicians and non-physician practitioners · CMS publication 2026-06-30

185 matching records · $3,673.20 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 185 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 51–100 of 185.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Genentech USA, Inc. $19.9008/28/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 681342579 CMS
GENZYME CORPORATION $22.4008/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694133169 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $16.6708/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 700447985 CMS
E.R. Squibb & Sons, L.L.C. $21.5908/22/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651384113 CMS
Amgen Inc. $23.1208/21/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 662403059 CMS
Rigel Pharmaceuticals, Inc. $20.4108/20/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 698993429 CMS
Celgene Corporation $24.8308/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 673020659 CMS
Genentech USA, Inc. $99.9508/14/2019 Education No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 857130555 CMS
Rigel Pharmaceuticals, Inc. $83.1808/14/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 698992057 CMS
Genentech USA, Inc. $21.6808/13/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 681372891 CMS
Amgen Inc. $12.0608/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 662403069 CMS
E.R. Squibb & Sons, L.L.C. $9.2808/08/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651384101 CMS
E.R. Squibb & Sons, L.L.C. $1.5008/08/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651384103 CMS
Rigel Pharmaceuticals, Inc. $8.6808/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 698991627 CMS
Merck Sharp & Dohme Corporation $19.2007/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 695679335 CMS
Lilly USA, LLC $21.7207/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 657849273 CMS
Secura Bio, Inc. $15.1407/29/2019 Food and Beverage No dispute reported Delay: No
Change: CHANGED
06/30/2026 625211173 CMS
Genentech USA, Inc. $21.8607/28/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 681366831 CMS
Teva Pharmaceuticals USA, Inc. $27.4007/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697828015 CMS
PFIZER INC. $22.3507/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 673767433 CMS
Novartis Pharmaceuticals Corporation $24.0007/23/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 659611341 CMS
AstraZeneca Pharmaceuticals LP $18.0007/19/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685692911 CMS
AstraZeneca Pharmaceuticals LP $20.5707/18/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685712753 CMS
Genentech USA, Inc. $20.0007/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 681398189 CMS
PFIZER INC. $17.8707/15/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 673299507 CMS
Incyte Corporation $19.6207/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 666238133 CMS
Novartis Pharmaceuticals Corporation $15.4807/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 659611337 CMS
Janssen Biotech, Inc. $25.0607/10/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658468989 CMS
Genentech USA, Inc. $17.5707/09/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 681333797 CMS
PFIZER INC. $11.8007/01/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 673298137 CMS
Janssen Biotech, Inc. $21.2806/27/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658468981 CMS
Amgen Inc. $23.1206/26/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 662403073 CMS
Incyte Corporation $5.8506/25/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 666238137 CMS
Incyte Corporation $11.2406/25/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 666238139 CMS
Genentech USA, Inc. $24.0006/24/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 681282633 CMS
Celgene Corporation $12.3306/21/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 672823904 CMS
Seattle Genetics, Inc. $22.7706/20/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 678793423 CMS
GENZYME CORPORATION $18.6706/18/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 694042249 CMS
Ipsen Biopharmaceuticals, Inc $21.5806/17/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 640633079 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $12.3006/13/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 700447987 CMS
Janssen Biotech, Inc. $27.8506/12/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658468977 CMS
PFIZER INC. $15.7306/11/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 673302839 CMS
PFIZER INC. $25.5306/10/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 673300155 CMS
Janssen Biotech, Inc. $25.7406/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 658468971 CMS
Pharmacyclics LLC, An AbbVie Company $17.3206/07/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 665702669 CMS
AstraZeneca Pharmaceuticals LP $18.5706/06/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 685648983 CMS
E.R. Squibb & Sons, L.L.C. $14.1206/04/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 651384075 CMS
Takeda Pharmaceuticals U.S.A., Inc. $25.5706/03/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697398003 CMS
Teva Pharmaceuticals USA, Inc. $27.7605/31/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 697710589 CMS
Genentech USA, Inc. $22.5605/30/2019 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026 681241091 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $3,673.20 185
PY2020 $2,209.43 126
PY2021 $2,948.70 152
PY2022 $3,324.23 183
PY2023 $4,487.67 207
PY2024 $5,765.21 184
PY2025 $4,235.85 141

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files and profile matching
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.