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

Covered recipient · General Payments record

ZACHARY MA FELDMAN

Allopathic & Osteopathic Physicians Surgery Vascular Surgery

NPI
1205324217
CMS profile
8803947
Location
BOSTON, MA

General Payments · PY2020–2025

$5,231.25

  • Reported across 33 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$3,725.68

20 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $2,173.37 16
Travel and Lodging $1,552.31 4

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Penumbra, Inc. $2,335.27 7
W. L. Gore & Associates, Inc. $901.03 8
Artivion, Inc. $159.89 1
BOSTON SCIENTIFIC CORPORATION $136.98 1
Shape Memory Medical Inc. $122.99 1
Reflow Medical Inc $45.30 1
Cook Medical LLC $24.22 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2020 $135.72 3
PY2021 $241.01 2
PY2022 $375.45 2
PY2024 $753.39 6
PY2025 $3,725.68 20

Payment records · PY2025 (20)

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

Program year 2025 2020202120222024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Artivion, Inc. $159.89 03/26/2025 Food and Beverage Undisputed 06/30/2026 1253181345 CMS
Boston Scientific Corporation $136.98 06/18/2025 Food and Beverage Undisputed 06/30/2026 1181580313 CMS
Cook Medical LLC $24.22 01/23/2025 Food and Beverage Undisputed 06/30/2026 1208759256 CMS
Penumbra, Inc. $150.57 04/03/2025 Food and Beverage Undisputed 06/30/2026 1177440062 CMS
Penumbra, Inc. $153.80 06/02/2025 Food and Beverage Undisputed 06/30/2026 1177440064 CMS
Penumbra, Inc. $922.70 12/05/2025 Travel and Lodging Undisputed 06/30/2026 1185442998 CMS
Penumbra, Inc. $478.59 12/05/2025 Food and Beverage Undisputed 06/30/2026 1185443372 CMS
Penumbra, Inc. $396.61 12/05/2025 Travel and Lodging Undisputed 06/30/2026 1185443784 CMS
Penumbra, Inc. $143.75 12/05/2025 Travel and Lodging Undisputed 06/30/2026 1185444034 CMS
Penumbra, Inc. $89.25 12/05/2025 Travel and Lodging Undisputed 06/30/2026 1185444036 CMS
Reflow Medical Inc $45.30 12/09/2025 Food and Beverage Undisputed 06/30/2026 1254412298 CMS
Shape Memory Medical Inc. $122.99 04/16/2025 Food and Beverage Undisputed 06/30/2026 1254992466 CMS
W. L. Gore & Associates, Inc. $196.87 01/09/2025 Food and Beverage Undisputed 06/30/2026 1220974198 CMS
W. L. Gore & Associates, Inc. $152.06 02/12/2025 Food and Beverage Undisputed 06/30/2026 1220974202 CMS
W. L. Gore & Associates, Inc. $17.68 04/23/2025 Food and Beverage Undisputed 06/30/2026 1220974208 CMS
W. L. Gore & Associates, Inc. $19.80 06/12/2025 Food and Beverage Undisputed 06/30/2026 1220974214 CMS
W. L. Gore & Associates, Inc. $17.72 06/30/2025 Food and Beverage Undisputed 06/30/2026 1220974216 CMS
W. L. Gore & Associates, Inc. $198.07 07/02/2025 Food and Beverage Undisputed 06/30/2026 1220974262 CMS
W. L. Gore & Associates, Inc. $154.30 09/25/2025 Food and Beverage Undisputed 06/30/2026 1220974280 CMS
W. L. Gore & Associates, Inc. $144.53 11/05/2025 Food and Beverage Undisputed 06/30/2026 1220974284 CMS

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
2020, 2021, 2022, 2024, 2025
Source files
Dataset page · Bulk file · PY2020 , PY2021 , PY2022 , PY2024 , PY2025
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.