Doctor profile · Federal record
Dr. Gregg Nishi, M.D.
Surgery Physician (CMS: General Surgery) · Surgery Physician · Surgery Physician · Critical Care Medicine (Internal Medicine) Physician · Beverly Hills, CA
- NPI 1972600344
- Accepts Medicare
- 27 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
9033 Wilshire Blvd, Suite 200
Beverly Hills, CA 902111837
(310) 858-1242
fax (310) 858-1172 - Additional location
-
5301 E Grant RD
Tucson, AZ 857122805
(520) 324-5695
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 21, 2023
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State licenses (3)
- California #A75418 · Utah #13342087-1205 · Arizona #63430
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972600344. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
515
Distinct HCPCS
3
Medicare allowed
$98,689
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 440 | 152 | $211 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 47 | 26 | $78 | |
99238 |
Hospital discharge day management, 30 minutes or less | 28 | 28 | $80 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 272. This provider delivers 1.9× the peer median.Open Payments
Industry payments received
All-time total
$51
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 2 | $51.25 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$100
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 13 | 0 | $100 |
Frequently asked questions
What is Dr. Gregg Nishi's medical specialty?
Dr. Gregg Nishi practices Surgery Physician in Beverly Hills, CA.
Where does Dr. Gregg Nishi practice?
Dr. Gregg Nishi practices at 9033 Wilshire Blvd, Beverly Hills, CA 902111837. Office phone: 3108581242.
What is Dr. Gregg Nishi's NPI?
Dr. Gregg Nishi's National Provider Identifier (NPI) is 1972600344, issued by NPPES.
Does Dr. Gregg Nishi accept Medicare assignment?
Yes. Dr. Gregg Nishi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregg Nishi commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.