Gregg K. Nishi, M.D.
NPI 1972600344ActiveIndividual· Surgery· Beverly Hills, CA
Surgery (M.D.) in Beverly Hills, California, trained at George Washington University School of Medicine (class of 1999). Mostly services rather than prescriptions: Medicare paid $70,694 for 148 patients in 2024, with only 46 Part D claims. Abbvie Inc. reported $47.14 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1972600344 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Jul 21, 2023 |
| Certified by provider | Jul 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | A75418 | CA |
| Surgery | 208600000X | 13342087-1205 | UT |
| Surgery | 208600000X | 63430 | AZ |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 63430 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Critical Care (Intensivists) (AZ); Practitioner - General Surgery (CA); Practitioner - General Surgery (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 148 |
|---|---|
| Services billed | 470 across 11 procedure codes |
| Paid by Medicare | $70,694 |
Part D prescriptions in 2024
| Prescriptions (claims) | 46 · 67 30-day fills |
|---|---|
| Patients | 21 |
| Total drug cost | $1,712 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | General Surgery |
| Secondary specialties | Critical Care (Intensivists) |
| Telehealth | Offers telehealth |
Medical groups
- Usacs Observation Medicine Services of Colorado Inc.Lakewood, CO · 75 clinicians
- Usacs Integrated Acute Care Services of Nevada Bagnoli P CCarson City, NV · 32 clinicians
- Ccmma Ca PCConway, AR · 7 clinicians
Hospital affiliations
- Carson Tahoe Regional Medical CenterCarson City, NV
- Centura Health-Penrose St Francis Health ServicesColorado Springs, CO
Industry payments (Open Payments)
- 2025$47.14 · 2 payments from 1 company
- 2024$51.25 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $47.14 | 2 |
What the 2025 payments were for
- Food and Beverage$47.14 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery providers in Beverly Hills
- 1043601412
- 1194092288
- 1063789238
- 1215264783
- 1023195526
- 1093893265
- 1205238714
- 1205274537
- 1750034542
- 1992926364
- 1285584953
- 1982802690