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

MARK FENSTER

Allopathic & Osteopathic Physicians Dermatology MOHS-Micrographic Surgery

NPI
1639197049
CMS profile
523792
Location
DAYTON, OH

General Payments · PY2019–2022

$168.93

  • Reported across 10 records
  • CMS publication 2026-01-23

Latest program year · PY2022

$72.56

4 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

PY2022 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $72.56 4

By paying entity

PY2022 · sorted by reported total

Paying entityAmountRecords
Janssen Biotech, Inc. $37.89 2
Amgen Inc. $21.93 1
GENZYME CORPORATION $12.74 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $63.39 4
PY2020 $13.88 1
PY2021 $19.10 1
PY2022 $72.56 4

Payment records · PY2022 (4)

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

Program year 2022 201920202021 Record-level detail is published for PY2022; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Amgen Inc. $21.93 12/20/2022 Food and Beverage Undisputed 01/23/2026 939920689 CMS
GENZYME CORPORATION $12.74 03/15/2022 Food and Beverage Undisputed 01/23/2026 938751155 CMS
Janssen Biotech, Inc. $13.52 07/12/2022 Food and Beverage Undisputed 01/23/2026 886355321 CMS
Janssen Biotech, Inc. $24.37 10/18/2022 Food and Beverage Undisputed 01/23/2026 886355327 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
2019, 2020, 2021, 2022
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022
Generated from
OP_DTL_GNRL_PGYR2022_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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