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

NAYNA RIYAT

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1508122656
CMS profile
7489543
Location
STANFORD, CA

General Payments · PY2022–2024

$6,377.58

  • Reported across 40 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$4,614.81

25 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
Travel and Lodging $4,455.25 19
Food and Beverage $159.56 6

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Olympus Corporation of the Americas $4,614.81 25

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $574.12 5
PY2023 $1,188.65 10
PY2024 $4,614.81 25

Payment records · PY2024 (25)

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
Olympus Corporation of the Americas $35.00 01/03/2024 Travel and Lodging Undisputed 01/23/2026 1110440762 CMS
Olympus Corporation of the Americas $903.12 01/03/2024 Travel and Lodging Undisputed 01/23/2026 1110440764 CMS
Olympus Corporation of the Americas $199.54 01/23/2024 Travel and Lodging Undisputed 01/23/2026 1110440760 CMS
Olympus Corporation of the Americas $209.98 02/16/2024 Travel and Lodging Undisputed 01/23/2026 1110440754 CMS
Olympus Corporation of the Americas $21.68 02/16/2024 Travel and Lodging Undisputed 01/23/2026 1110440756 CMS
Olympus Corporation of the Americas $21.82 02/16/2024 Travel and Lodging Undisputed 01/23/2026 1110440758 CMS
Olympus Corporation of the Americas $58.00 03/07/2024 Food and Beverage Undisputed 01/23/2026 1110440770 CMS
Olympus Corporation of the Americas $35.00 03/19/2024 Travel and Lodging Undisputed 01/23/2026 1110440766 CMS
Olympus Corporation of the Americas $814.54 03/19/2024 Travel and Lodging Undisputed 01/23/2026 1110440768 CMS
Olympus Corporation of the Americas $146.34 04/03/2024 Travel and Lodging Undisputed 01/23/2026 1110440772 CMS
Olympus Corporation of the Americas $3.37 04/10/2024 Food and Beverage Undisputed 01/23/2026 1110440788 CMS
Olympus Corporation of the Americas $26.80 04/12/2024 Travel and Lodging Undisputed 01/23/2026 1110440782 CMS
Olympus Corporation of the Americas $26.80 04/12/2024 Travel and Lodging Undisputed 01/23/2026 1110440784 CMS
Olympus Corporation of the Americas $16.62 04/12/2024 Food and Beverage Undisputed 01/23/2026 1110440790 CMS
Olympus Corporation of the Americas $26.80 04/13/2024 Travel and Lodging Undisputed 01/23/2026 1110440778 CMS
Olympus Corporation of the Americas $23.57 04/17/2024 Food and Beverage Undisputed 01/23/2026 1110440786 CMS
Olympus Corporation of the Americas $402.02 04/26/2024 Travel and Lodging Undisputed 01/23/2026 1110440780 CMS
Olympus Corporation of the Americas $467.87 05/01/2024 Travel and Lodging Undisputed 01/23/2026 1110440792 CMS
Olympus Corporation of the Americas $798.89 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1110440774 CMS
Olympus Corporation of the Americas $35.00 05/02/2024 Travel and Lodging Undisputed 01/23/2026 1110440776 CMS
Olympus Corporation of the Americas $17.74 07/02/2024 Travel and Lodging Undisputed 01/23/2026 1110440794 CMS
Olympus Corporation of the Americas $17.74 07/02/2024 Travel and Lodging Undisputed 01/23/2026 1110440796 CMS
Olympus Corporation of the Americas $29.00 07/30/2024 Food and Beverage Undisputed 01/23/2026 1110440798 CMS
Olympus Corporation of the Americas $29.00 07/30/2024 Food and Beverage Undisputed 01/23/2026 1110440800 CMS
Olympus Corporation of the Americas $248.57 08/22/2024 Travel and Lodging Undisputed 01/23/2026 1110440802 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.