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

MOLLY STUMACHER

Allopathic & Osteopathic Physicians Internal Medicine Hematology & Oncology

NPI
1396842126
CMS profile
108432
Location
WEST CHESTER, PA

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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Filter and download payment records

General Payments · PY2023 · Entire year

$3,731.21

174 records · 0 disputed

Summary and payment records

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

Other CMS categories — not shown on this page

Research Payments

CMS also publishes Research Payments as a separate dataset. This site does not currently mirror it, and no research figure is shown on this page. This provider appears in that dataset.

“If you are a physician who served as a principal investigator on a research study, you may see the payments associated with that research study listed under your name. This does not necessarily mean the payments are attributed to you. The dollar amount of the record corresponds to the total payment; the amounts are not attributed to each individual on the record.”

— Centers for Medicare & Medicaid Services, Open Payments Frequently Asked Questions, FAQ #12224

These records are published by CMS and can be viewed on this provider’s official CMS record. View this provider on CMS Open Payments ↗

“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

PY2023 · entire year · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $3,731.21 174

By paying entity

PY2023 · entire year · sorted by reported total

Payment records · PY2023

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

General Payments · PY2023 · Physicians and non-physician practitioners · CMS publication 2026-06-30

174 matching records · $3,731.21 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 174 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 174.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
Novartis Pharmaceuticals Corporation $24.4712/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026993372839 CMS
Stemline Therapeutics Inc. $22.6712/20/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261040033767 CMS
Apellis Pharmaceuticals, Inc. $19.9912/19/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261056336399 CMS
Seagen Inc. $25.0712/15/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026995649299 CMS
PharmaEssentia USA Corporation $16.8012/14/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261059309833 CMS
AstraZeneca Pharmaceuticals LP $20.9412/13/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261014895839 CMS
Janssen Biotech, Inc. $37.6012/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026988431219 CMS
Seagen Inc. $25.1312/11/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026995649293 CMS
Gilead Sciences, Inc. $18.6212/08/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261025870499 CMS
Janssen Biotech, Inc. $24.4712/08/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026988431229 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.9112/07/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261000513931 CMS
PFIZER INC. $21.1812/05/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261049695755 CMS
AstraZeneca Pharmaceuticals LP $14.4012/04/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261014189447 CMS
Exelixis Inc. $310.1011/30/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261062014593 CMS
SERVIER PHARMACEUTICALS LLC $14.3211/30/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261055091529 CMS
Celgene Corporation $24.9011/29/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261016171123 CMS
Seagen Inc. $23.4711/29/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026995649280 CMS
Coherus Biosciences Inc. $17.4011/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261060237435 CMS
AstraZeneca Pharmaceuticals LP $21.9611/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261011365233 CMS
Pharmacyclics LLC, An AbbVie Company $29.9011/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026998296191 CMS
Astellas Pharma US Inc $21.8511/17/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261034684947 CMS
Lilly USA, LLC $19.1011/15/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261032088993 CMS
Novartis Pharmaceuticals Corporation $23.0211/13/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026993372837 CMS
Novartis Pharmaceuticals Corporation $1.5011/09/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026993372833 CMS
Novartis Pharmaceuticals Corporation $11.8011/09/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026993372835 CMS
Incyte Corporation $13.9511/08/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261044588321 CMS
ARRAY BIOPHARMA INC $14.3511/07/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261050154355 CMS
AstraZeneca Pharmaceuticals LP $13.3911/06/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261015739579 CMS
EMD Serono, Inc. $21.1711/02/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261032382377 CMS
Merck Sharp & Dohme LLC $22.9211/01/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261048796203 CMS
Seagen Inc. $6.3311/01/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026995649219 CMS
Celgene Corporation $24.8810/31/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261016171113 CMS
Daiichi Sankyo Inc. $26.2310/30/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261006523649 CMS
AbbVie Inc. $15.6010/23/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026999154119 CMS
Exelixis Inc. $13.1010/19/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261044611425 CMS
Astellas Pharma US Inc $25.4610/18/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261034604289 CMS
AVEO Pharmaceuticals, Inc. $17.9910/17/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261049063137 CMS
Seagen Inc. $11.8210/16/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026995649165 CMS
Mirati Therapeutics, Inc. $17.7910/13/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261058004415 CMS
Takeda Pharmaceuticals U.S.A., Inc. $20.6110/12/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261055625501 CMS
AstraZeneca Pharmaceuticals LP $24.9510/06/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261011798997 CMS
Amgen Inc. $19.5610/05/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261020035279 CMS
Seagen Inc. $13.6810/04/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026995649157 CMS
Daiichi Sankyo Inc. $23.4110/03/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261006511355 CMS
Seagen Inc. $20.3609/29/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026995649151 CMS
AstraZeneca Pharmaceuticals LP $24.9309/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261015956333 CMS
Eisai Inc. $21.4009/27/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261023324261 CMS
AstraZeneca Pharmaceuticals LP $14.3009/22/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261015836361 CMS
Lilly USA, LLC $13.0009/21/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261032064967 CMS
Lilly USA, LLC $14.4509/20/2023 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/20261031979467 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $2,317.84 137
PY2020 $1,677.72 94
PY2021 $1,660.20 91
PY2022 $1,738.85 83
PY2023 $3,731.21 174
PY2024 $2,339.23 114
PY2025 $3,440.23 158

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.

Cite this record.

Plain
MOLLY STUMACHER, NPI 1396842126. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1396842126.
APA 7
IndustryPayments. (2026). MOLLY STUMACHER, NPI 1396842126 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1396842126
Bluebook
MOLLY STUMACHER, NPI 1396842126, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1396842126.

Source: Centers for Medicare & Medicaid Services, Open Payments.