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

TISHA MIRASOL TAN

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1881959872
CMS profile
1376207
Location
CRYSTAL LAKE, IL

General Payments · PY2018–2024

$2,211.45

  • Reported across 98 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,033.73

42 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 $1,023.05 41
Education $10.68 1

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $11.72 1
PY2019 $17.86 1
PY2021 $91.63 5
PY2022 $359.18 17
PY2023 $697.33 32
PY2024 $1,033.73 42

Payment records · PY2024 (42)

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

Program year 2024 20182019202120222023 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
Amgen Inc. $14.51 04/24/2024 Food and Beverage Undisputed 01/23/2026 1116169046 CMS
Amgen Inc. $8.10 05/09/2024 Food and Beverage Undisputed 01/23/2026 1116169052 CMS
Amgen Inc. $20.20 05/16/2024 Food and Beverage Undisputed 01/23/2026 1117697480 CMS
Amgen Inc. $14.97 06/06/2024 Food and Beverage Undisputed 01/23/2026 1116169060 CMS
Amgen Inc. $10.68 06/06/2024 Education Undisputed 01/23/2026 1116169066 CMS
Amgen Inc. $25.03 07/08/2024 Food and Beverage Undisputed 01/23/2026 1117697482 CMS
Amgen Inc. $18.18 08/05/2024 Food and Beverage Undisputed 01/23/2026 1116169072 CMS
Amgen Inc. $17.75 09/16/2024 Food and Beverage Undisputed 01/23/2026 1116169080 CMS
Amgen Inc. $26.23 10/07/2024 Food and Beverage Undisputed 01/23/2026 1117697484 CMS
Amgen Inc. $21.87 11/07/2024 Food and Beverage Undisputed 01/23/2026 1116169086 CMS
Amgen Inc. $26.64 11/11/2024 Food and Beverage Undisputed 01/23/2026 1117697486 CMS
Amgen Inc. $18.98 12/10/2024 Food and Beverage Undisputed 01/23/2026 1117697488 CMS
Ardelyx, Inc. $34.78 02/19/2024 Food and Beverage Undisputed 01/23/2026 1146710645 CMS
AstraZeneca Pharmaceuticals LP $21.57 02/19/2024 Food and Beverage Undisputed 01/23/2026 1104298670 CMS
AstraZeneca Pharmaceuticals LP $24.04 06/27/2024 Food and Beverage Undisputed 01/23/2026 1105643682 CMS
Bayer Healthcare Pharmaceuticals Inc. $27.44 02/22/2024 Food and Beverage Undisputed 01/23/2026 1086218535 CMS
Bayer Healthcare Pharmaceuticals Inc. $27.62 07/22/2024 Food and Beverage Undisputed 01/23/2026 1086110674 CMS
Bayer Healthcare Pharmaceuticals Inc. $30.30 12/17/2024 Food and Beverage Undisputed 01/23/2026 1086228480 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $13.52 01/25/2024 Food and Beverage Undisputed 01/23/2026 1118215026 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $28.21 02/13/2024 Food and Beverage Undisputed 01/23/2026 1118215054 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $21.11 03/26/2024 Food and Beverage Undisputed 01/23/2026 1118215046 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $19.14 05/14/2024 Food and Beverage Undisputed 01/23/2026 1118215042 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $16.48 06/11/2024 Food and Beverage Undisputed 01/23/2026 1118215030 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $21.14 07/30/2024 Food and Beverage Undisputed 01/23/2026 1118215050 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.83 09/23/2024 Food and Beverage Undisputed 01/23/2026 1118215038 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $123.43 10/10/2024 Food and Beverage Undisputed 01/23/2026 1118215058 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $18.18 10/22/2024 Food and Beverage Undisputed 01/23/2026 1118215034 CMS
CALLIDITAS THERAPEUTICS US INC. $24.13 12/09/2024 Food and Beverage Undisputed 01/23/2026 1141529097 CMS
Novartis Pharmaceuticals Corporation $21.66 06/17/2024 Food and Beverage Undisputed 01/23/2026 1087425006 CMS
Novartis Pharmaceuticals Corporation $24.92 10/14/2024 Food and Beverage Undisputed 01/23/2026 1087425012 CMS
Otsuka America Pharmaceutical, Inc. $26.94 02/29/2024 Food and Beverage Undisputed 01/23/2026 1118991648 CMS
Otsuka America Pharmaceutical, Inc. $24.78 06/18/2024 Food and Beverage Undisputed 01/23/2026 1118991650 CMS
Otsuka America Pharmaceutical, Inc. $24.69 10/28/2024 Food and Beverage Undisputed 01/23/2026 1118991652 CMS
Travere Therapeutics, Inc. $21.30 03/11/2024 Food and Beverage Undisputed 01/23/2026 1149924989 CMS
Travere Therapeutics, Inc. $27.27 04/18/2024 Food and Beverage Undisputed 01/23/2026 1149925001 CMS
Travere Therapeutics, Inc. $26.00 09/17/2024 Food and Beverage Undisputed 01/23/2026 1149924993 CMS
Travere Therapeutics, Inc. $29.86 10/17/2024 Food and Beverage Undisputed 01/23/2026 1149925005 CMS
Travere Therapeutics, Inc. $26.48 11/18/2024 Food and Beverage Undisputed 01/23/2026 1149924997 CMS
Ultragenyx Pharmaceutical Inc. $23.82 06/24/2024 Food and Beverage Undisputed 01/23/2026 1153289497 CMS
Ultragenyx Pharmaceutical Inc. $20.65 10/02/2024 Food and Beverage Undisputed 01/23/2026 1153283608 CMS
Vifor Pharma, Inc. $15.25 07/19/2024 Food and Beverage Undisputed 01/23/2026 1124051140 CMS
Vifor Pharma, Inc. $27.05 10/15/2024 Food and Beverage Undisputed 01/23/2026 1124061704 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2021 , 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.