Cornerstone Specialty Network LLC
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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.
Payment records · PY2024
Date, newest first, then reporting company; values as published by CMS.
General Payments · PY2024 · All recipient types · CMS publication 2026-06-30
79 matching records · $120,467.00 reported total · 0 disputed
Nature of payment: All payment types
Records imported here (UTC).
Download all 79 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 79.
| Recipient | Paying entity | Amount | Date | Nature of payment | Dispute status | Publication flags | Published | Record ID | Source |
|---|---|---|---|---|---|---|---|---|---|
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $17,810.00 | 12/31/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766988 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $4,795.00 | 12/23/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766994 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $500.00 | 11/20/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154767012 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $500.00 | 11/19/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154767010 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $9,933.00 | 11/17/2024 | Compensation for serving as faculty or as a speaker for a medical education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766992 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $9,933.00 | 11/17/2024 | Compensation for serving as faculty or as a speaker for a medical education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154767008 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $500.00 | 10/23/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154767006 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $1,100.00 | 10/21/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154767004 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $208.00 | 10/18/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766978 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $961.00 | 10/18/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766980 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $78.00 | 10/18/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766982 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $649.00 | 10/18/2024 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766984 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $1,491.00 | 10/18/2024 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766986 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $500.00 | 09/25/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154767002 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $1,950.00 | 09/23/2024 | Compensation for serving as faculty or as a speaker for a medical education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154767000 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $8,905.00 | 06/25/2024 | Compensation for serving as faculty or as a speaker for a medical education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766990 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $500.00 | 06/24/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766998 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $215.00 | 05/30/2024 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766966 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $215.00 | 05/30/2024 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766974 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $215.00 | 05/30/2024 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766976 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $650.00 | 04/12/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766968 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $871.00 | 04/12/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766970 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $541.00 | 04/12/2024 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766972 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 03/15/2024 | Consulting Fee | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1154766996 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $2,055.00 | 02/26/2024 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532565 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $2,055.00 | 02/26/2024 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532577 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $9,933.00 | 02/24/2024 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532571 | CMS |
| SUJITH RAO KALMADI Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $9,933.00 | 02/24/2024 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532581 | CMS |
| PRAVEEN KOLLIPARA Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $1,300.00 | 02/22/2024 | Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532637 | CMS |
| SHALINI CHITNENI Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/22/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532639 | CMS |
| SREENIVASA RAO NATTAM Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/22/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532641 | CMS |
| SUNIL BABU Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/22/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532643 | CMS |
| YASOLATHA NALAMOLU Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/22/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532645 | CMS |
| FARRUKH M ADHAMI Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/20/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532627 | CMS |
| GREGORY J LITTON Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/20/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532629 | CMS |
| JUSTIN ANTHONY CALL Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/20/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532631 | CMS |
| NATHAN T RICH Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/20/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532633 | CMS |
| ROBERT ALLAN HAVARD Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $550.00 | 02/20/2024 | Honoraria | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532635 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $500.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532647 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $634.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532649 | CMS |
| LEE S SCHWARTZBERG Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $110.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532651 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $1,450.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532653 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $129.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532655 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $199.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532657 | CMS |
| ERIC S SCHAEFER Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $9.00 | 02/19/2024 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532659 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $308.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532661 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $388.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532663 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $145.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532665 | CMS |
| EDITH A PEREZ Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $23.00 | 02/19/2024 | Food and Beverage | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532667 | CMS |
| SUJITH RAO KALMADI Physician / non-physician practitioner | Cornerstone Specialty Network LLC | $1,046.00 | 02/19/2024 | Travel and Lodging | No dispute reported | Delay: No Change: UNCHANGED | 06/30/2026 | 1126532669 | CMS |
Practitioner overview · all loaded program years
34 providers listed 714 records General Payments
General Payments to practitioners — all loaded program years
- Category: General Payments
- Program years: 2019, 2020, 2021, 2022, 2023, 2024, 2025
- Record count: 714
- Providers listed: 34
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 year | Reported | Records | Providers | Detail |
|---|---|---|---|---|
| PY2019 | $25,161.00 | 22 | 8 | This company in PY2019 → |
| PY2020 | $22,547.21 | 28 | 10 | This company in PY2020 → |
| PY2021 | $67,881.00 | 53 | 14 | This company in PY2021 → |
| PY2022 | $244,980.00 | 168 | 21 | This company in PY2022 → |
| PY2023 | $438,539.00 | 293 | 26 | This company in PY2023 → |
| PY2024 | $120,467.00 | 79 | 19 | This company in PY2024 → |
| PY2025 | $947,145.00 | 71 | 3 | This company in PY2025 → |
By recipient specialty (2)
Sorted by name; identical names by identifier.
Allopathic & Osteopathic Physicians 2 specialties 33 providers
Providers listed (34)
Sorted by name; identical names by identifier.
| Provider | Specialty | State | Records reported by this company |
|---|---|---|---|
| BOHDAN HALIBEY | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | NJ | 3 |
| BRUCE H WALLACH | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | NJ | 14 |
| CHITRA D RAJAGOPAL | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | MD | 31 |
| CRAIG LAMPERT | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | NJ | 2 |
| EDITH A PEREZ | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | FL | 56 |
| EDWARD J LICITRA | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | NJ | 12 |
| ERIC S SCHAEFER | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | AR | 77 |
| FARRUKH M ADHAMI | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | IN | 18 |
| GREGORY J LITTON | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | UT | 45 |
| GURPREET LAMBA | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | VT | 8 |
| JAMES RILEY SHORTRIDGE | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | UT | 1 |
| JASON M STINNETT | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | UT | 1 |
| JOEL SILVER | — | CT | 18 |
| JONATHAN REED WHISENANT | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | UT | 1 |
| JUSTIN ANTHONY CALL | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | UT | 46 |
| LEE S SCHWARTZBERG | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | NV | 19 |
| MATTHEW L CARR | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | IN | 16 |
| NATHAN T RICH | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | UT | 2 |
| NITIN B CHANDRAMOULI | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | UT | 10 |
| NSEOBONG I NTUKIDEM | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | OH | 4 |
| PRAVEEN KOLLIPARA | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | IN | 47 |
| RAVI D RAO | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | CA | 2 |
| REX B MOWAT | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | OH | 41 |
| ROBERT ALLAN HAVARD | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | UT | 25 |
| SAMEER P DESAI | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | NJ | 13 |
| SCOTT C BLAIR | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | OH | 5 |
| SHALINI CHITNENI | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | IN | 43 |
| SREENIVASA RAO NATTAM | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | IN | 49 |
| STEVEN J HAGER | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | CA | 8 |
| SUJITH RAO KALMADI | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | AZ | 31 |
| SUNIL BABU | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | IN | 10 |
| WILLIAM E NIBLEY | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | UT | 24 |
| XYLINA T GREGG | Allopathic & Osteopathic Physicians|Internal Medicine|Medical Oncology | UT | 17 |
| YASOLATHA NALAMOLU | Allopathic & Osteopathic Physicians|Internal Medicine|Hematology & Oncology | IN | 15 |