Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

DONALD P TASHKIN

Allopathic & Osteopathic Physicians Internal Medicine Pulmonary Disease

NPI
1528088135
CMS profile
204820
Location
LOS ANGELES, CA

General Payments · PY2018–2023

$344,721.74

  • Reported across 437 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$3,157.37

6 records · 0 disputed

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

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. 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.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $2,900.00 2
Food and Beverage $257.37 4

By paying entity

PY2023 · sorted by reported total

Paying entityAmountRecords
Merck Sharp & Dohme Corporation $2,900.00 2
GENZYME CORPORATION $257.37 4

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $218,940.70 283
PY2019 $61,827.43 90
PY2020 $50,454.20 47
PY2021 $9,886.40 6
PY2022 $455.64 5
PY2023 $3,157.37 6

Payment records · PY2023 (6)

Sorted by paying entity, then date · as published by CMS

Program year 2023 20182019202020212022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
GENZYME CORPORATION $93.15 02/02/2023 Food and Beverage Undisputed 01/23/2026 1049751243 CMS
GENZYME CORPORATION $67.18 05/08/2023 Food and Beverage Undisputed 01/23/2026 1049751361 CMS
GENZYME CORPORATION $37.97 05/21/2023 Food and Beverage Undisputed 01/23/2026 1049751349 CMS
GENZYME CORPORATION $59.07 10/24/2023 Food and Beverage Undisputed 01/23/2026 1049751493 CMS
Merck Sharp & Dohme LLC $1,700.00 06/26/2023 Consulting Fee Undisputed 01/23/2026 1048658467 CMS
Merck Sharp & Dohme LLC $1,200.00 09/21/2023 Consulting Fee Undisputed 01/23/2026 1048658463 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021, 2022, 2023
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_P01232026_01102026.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.

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