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 M ANDERSON

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1538132170
CMS profile
205712
Location
MONTGOMERY, AL

General Payments · PY2018–2023

$5,064.38

  • Reported across 327 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$319.34

18 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
Food and Beverage $319.34 18

By paying entity

PY2023 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $1,104.61 75
PY2019 $1,215.29 79
PY2020 $687.76 46
PY2021 $898.92 62
PY2022 $838.46 47
PY2023 $319.34 18

Payment records · PY2023 (18)

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
AbbVie Inc. $16.34 06/20/2023 Food and Beverage Undisputed 01/23/2026 996146313 CMS
Celgene Corporation $15.88 01/10/2023 Food and Beverage Undisputed 01/23/2026 1015966973 CMS
Celgene Corporation $22.46 02/08/2023 Food and Beverage Undisputed 01/23/2026 1015966989 CMS
Celgene Corporation $17.28 03/22/2023 Food and Beverage Undisputed 01/23/2026 1015967007 CMS
Celgene Corporation $16.29 04/06/2023 Food and Beverage Undisputed 01/23/2026 1015967011 CMS
Celgene Corporation $14.56 05/11/2023 Food and Beverage Undisputed 01/23/2026 1015967053 CMS
Janssen Biotech, Inc. $17.24 01/20/2023 Food and Beverage Undisputed 01/23/2026 988068000 CMS
Janssen Biotech, Inc. $17.28 02/11/2023 Food and Beverage Undisputed 01/23/2026 988068011 CMS
Janssen Biotech, Inc. $19.41 03/18/2023 Food and Beverage Undisputed 01/23/2026 988067979 CMS
Janssen Biotech, Inc. $17.28 04/15/2023 Food and Beverage Undisputed 01/23/2026 988068021 CMS
Janssen Biotech, Inc. $15.29 06/16/2023 Food and Beverage Undisputed 01/23/2026 988067989 CMS
PFIZER INC. $20.68 01/05/2023 Food and Beverage Undisputed 01/23/2026 1050532605 CMS
PFIZER INC. $20.36 11/09/2023 Food and Beverage Undisputed 01/23/2026 1050593163 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $13.16 01/24/2023 Food and Beverage Undisputed 01/23/2026 1057203575 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.66 03/08/2023 Food and Beverage Undisputed 01/23/2026 1057309101 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $15.75 03/30/2023 Food and Beverage Undisputed 01/23/2026 1057136017 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.17 01/26/2023 Food and Beverage Undisputed 01/23/2026 1055334139 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.25 05/10/2023 Food and Beverage Undisputed 01/23/2026 1055334143 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.

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.