Tom Chi An Fang, M.D.
NPI 1053584631ActiveIndividual· Internal Medicine, Gastroenterology· Reno, NV
Internal Medicine, Gastroenterology (M.D.) with Gastroenterology Consultants Ltd, practicing in Reno, Nevada. Their prescriptions cost Medicare Part D more than their services did: $387,967 for 1,072 claims, against $155,021 paid for services in 2024. Abbvie Inc. was the largest of 10 companies reporting payments in 2025, $871.28 in all, mostly food and beverage. Lists Northern Inyo Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1053584631 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 4, 2008 |
| Last updated in NPPES | Sep 10, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 57392 | MN |
| Internal Medicine, Gastroenterology | 207RG0100X | 15844 | NV |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 654 |
|---|---|
| Services billed | 1,411 across 73 procedure codes |
| Paid by Medicare | $155,021 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,072 · 1,905 30-day fills |
|---|---|
| Patients | 492 |
| Total drug cost | $387,967 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Gastroenterology Consultants LtdReno, NV · 38 clinicians
Hospital affiliations
- Northern Inyo HospitalBishop, CA
- Northern Nevada Medical CenterSparks, NV
- Plumas District HospitalQuincy, CA
- Renown Regional Medical CenterReno, NV
- Renown South Meadows Medical CenterReno, NV
Industry payments (Open Payments)
- 2025$871.28 · 32 payments from 10 companies
- 2024$290.74 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $242.24 | 14 |
| Ipsen Biopharmaceuticals, Inc | $170.12 | 4 |
| Genzyme Corporation | $120.53 | 4 |
| Phathom Pharmaceuticals, Inc. | $115.94 | 1 |
| Madrigal Pharmaceuticals | $73.40 | 2 |
What the 2025 payments were for
- Food and Beverage$871.28 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Reno
- 1053355545
- 1104891910
- 1164579025
- 1245294123
- 1295711414
- 1336448331
- 1346204641
- 1407832231
- 1457315764
- 1457368565
- 1497719405
- 1528039732
All 30 gastroenterologists in Reno · All gastroenterologists in Nevada