Doctor profile · Federal record
Dr. Gagandeep Grewal, M.D.
Emergency Medicine Physician (CMS: Emergency Medicine) · Santa Ana, CA
- NPI 1285675314
- Accepts Medicare
- MIPS 86.3 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1001 N Tustin Ave, Emergency Department
Santa Ana, CA 927053502
(714) 953-3500 - Mailing address
-
4551 Glencoe Ave, Suite 260
Marina del Rey, CA 902926385
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 30, 2014
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A68101
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285675314. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
40
Distinct HCPCS
2
Medicare allowed
$4,255
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 23 | 23 | $179 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 17 | 17 | $8 |
In context: peer comparison
Among 5 peers in Santa Ana Emergency Medicine Physician, average services per provider: 74. This provider delivers 0.5× the peer median.Frequently asked questions
What is Dr. Gagandeep Grewal's medical specialty?
Dr. Gagandeep Grewal practices Emergency Medicine Physician in Santa Ana, CA.
Where does Dr. Gagandeep Grewal practice?
Dr. Gagandeep Grewal practices at 1001 N Tustin Ave, Santa Ana, CA 927053502. Office phone: 7149533500.
What is Dr. Gagandeep Grewal's NPI?
Dr. Gagandeep Grewal's National Provider Identifier (NPI) is 1285675314, issued by NPPES.
Does Dr. Gagandeep Grewal accept Medicare assignment?
Yes. Dr. Gagandeep Grewal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gagandeep Grewal commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.