Doctor profile · Federal record
Dr. Ata Mazaheri, MD
Surgery Physician (CMS: General Surgery) · Glendale, CA
- NPI 1164467239
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1560 E Chevy Chase Dr, Suite 450
Glendale, CA 912064197
(818) 246-3300
fax (818) 247-7600 - Mailing address
-
20911 Earl St, Ste 245
Torrance, CA 905034355
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- May 13, 2016
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- California #A79930
- Medicaid
- CA #00A799300
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1164467239. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
658
Distinct HCPCS
5
Medicare allowed
$102,638
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 454 | 72 | $125 | |
99291 |
Critical care, first 30-74 minutes | 88 | 12 | $222 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 70 | 68 | $182 | |
99285 |
Emergency department visit with high level of medical decision making | 30 | 30 | $181 | |
47562 |
Removal of gallbladder using an endoscope | 16 | 16 | $507 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 90. This provider delivers 7.3× the peer median.Open Payments
Industry payments received
All-time total
$138
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Kerecis Limited | 1 | $137.81 |
By nature of payment
Frequently asked questions
What is Dr. Ata Mazaheri's medical specialty?
Dr. Ata Mazaheri practices Surgery Physician in Glendale, CA.
Where does Dr. Ata Mazaheri practice?
Dr. Ata Mazaheri practices at 1560 E Chevy Chase Dr, Glendale, CA 912064197. Office phone: 8182463300.
What is Dr. Ata Mazaheri's NPI?
Dr. Ata Mazaheri's National Provider Identifier (NPI) is 1164467239, issued by NPPES.
Does Dr. Ata Mazaheri accept Medicare assignment?
Yes. Dr. Ata Mazaheri accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ata Mazaheri commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Critical care (HCPCS 99291); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.