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

RICHARD ERIC OFFEMARIA ATANGAN

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Family

NPI
1871245688
CMS profile
11385196
Location
RIVERSIDE, CA

General Payments · PY2022–2024

$2,989.36

  • Reported across 78 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,005.85

35 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

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $981.24 34
Education $24.61 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Ardelyx, Inc. $400.06 12
Amgen Inc. $185.78 3
AKEBIA THERAPEUTICS INC $146.12 8
Fresenius USA Marketing, Inc. $102.34 5
Acerta Pharma LLC $59.01 2
Novo Nordisk AS $40.24 2
ViiV Healthcare Company $33.64 1
Relypsa, Inc. $24.95 1
Medtronic, Inc. $13.71 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $875.72 20
PY2023 $1,107.79 23
PY2024 $1,005.85 35

Payment records · PY2024 (35)

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

Program year 2024 20222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AKEBIA THERAPEUTICS INC $13.65 01/25/2024 Food and Beverage Undisputed 01/23/2026 1145827950 CMS
AKEBIA THERAPEUTICS INC $13.65 01/30/2024 Food and Beverage Undisputed 01/23/2026 1145827952 CMS
AKEBIA THERAPEUTICS INC $22.08 03/07/2024 Food and Beverage Undisputed 01/23/2026 1145827954 CMS
AKEBIA THERAPEUTICS INC $14.67 04/11/2024 Food and Beverage Undisputed 01/23/2026 1145827956 CMS
AKEBIA THERAPEUTICS INC $14.00 07/08/2024 Food and Beverage Undisputed 01/23/2026 1145827958 CMS
AKEBIA THERAPEUTICS INC $18.07 10/10/2024 Food and Beverage Undisputed 01/23/2026 1145828876 CMS
AKEBIA THERAPEUTICS INC $25.39 12/17/2024 Food and Beverage Undisputed 01/23/2026 1145831749 CMS
AKEBIA THERAPEUTICS INC $24.61 12/17/2024 Education Undisputed 01/23/2026 1145834895 CMS
Amgen Inc. $23.23 02/14/2024 Food and Beverage Undisputed 01/23/2026 1117497540 CMS
Amgen Inc. $134.62 04/15/2024 Food and Beverage Undisputed 01/23/2026 1117193443 CMS
Amgen Inc. $27.93 06/20/2024 Food and Beverage Undisputed 01/23/2026 1117193445 CMS
Ardelyx, Inc. $19.10 01/03/2024 Food and Beverage Undisputed 01/23/2026 1146717294 CMS
Ardelyx, Inc. $16.04 02/06/2024 Food and Beverage Undisputed 01/23/2026 1146717296 CMS
Ardelyx, Inc. $125.00 03/05/2024 Food and Beverage Undisputed 01/23/2026 1146717298 CMS
Ardelyx, Inc. $15.82 03/14/2024 Food and Beverage Undisputed 01/23/2026 1146717300 CMS
Ardelyx, Inc. $17.28 05/07/2024 Food and Beverage Undisputed 01/23/2026 1146717302 CMS
Ardelyx, Inc. $17.56 06/18/2024 Food and Beverage Undisputed 01/23/2026 1146717304 CMS
Ardelyx, Inc. $13.15 07/24/2024 Food and Beverage Undisputed 01/23/2026 1146717306 CMS
Ardelyx, Inc. $17.80 08/22/2024 Food and Beverage Undisputed 01/23/2026 1146717308 CMS
Ardelyx, Inc. $18.75 09/24/2024 Food and Beverage Undisputed 01/23/2026 1146717310 CMS
Ardelyx, Inc. $80.59 10/16/2024 Food and Beverage Undisputed 01/23/2026 1146717312 CMS
Ardelyx, Inc. $26.02 10/30/2024 Food and Beverage Undisputed 01/23/2026 1146717314 CMS
Ardelyx, Inc. $32.95 12/16/2024 Food and Beverage Undisputed 01/23/2026 1146717316 CMS
AstraZeneca Pharmaceuticals LP $29.44 03/22/2024 Food and Beverage Undisputed 01/23/2026 1104563304 CMS
AstraZeneca Pharmaceuticals LP $29.57 10/03/2024 Food and Beverage Undisputed 01/23/2026 1105492915 CMS
Fresenius USA Marketing, Inc. $19.84 01/16/2024 Food and Beverage Undisputed 01/23/2026 1154206710 CMS
Fresenius USA Marketing, Inc. $18.01 05/08/2024 Food and Beverage Undisputed 01/23/2026 1154206708 CMS
Fresenius USA Marketing, Inc. $16.12 06/06/2024 Food and Beverage Undisputed 01/23/2026 1154206706 CMS
Fresenius USA Marketing, Inc. $21.93 08/12/2024 Food and Beverage Undisputed 01/23/2026 1154206712 CMS
Fresenius USA Marketing, Inc. $26.44 10/02/2024 Food and Beverage Undisputed 01/23/2026 1154206714 CMS
Medtronic, Inc. $13.71 01/18/2024 Food and Beverage Undisputed 01/23/2026 1117002718 CMS
Novo Nordisk Inc $20.00 09/19/2024 Food and Beverage Undisputed 01/23/2026 1100403531 CMS
Novo Nordisk Inc $20.24 11/07/2024 Food and Beverage Undisputed 01/23/2026 1100310221 CMS
Vifor Pharma, Inc. $24.95 08/14/2024 Food and Beverage Undisputed 01/23/2026 1124053932 CMS
ViiV Healthcare Company $33.64 09/12/2024 Food and Beverage Undisputed 01/23/2026 1112741781 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
2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_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.