Doctor profile · Federal record
Dr. Peter Grimes, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Downey, CA
- NPI 1518181866
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9333 Imperial Hwy
Downey, CA 902422812
(562) 657-7000 - Mailing address
-
4700 Las Vegas Blvd N
Nellis Afb, NV 891916600
Credentials & registration
- NPI registered
- April 2007 — 19 yrs on file
- Profile last updated
- February 28, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #G75633
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1518181866. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
14
Distinct HCPCS
1
Medicare allowed
$1,747
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 14 | 14 | $125 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 58. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
113
Patients
113
Total drug cost
$1,259
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefuroxime (Cefuroxime Axetil) | Brand | 28 | 28 | $444 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 22 | 22 | $150 |
| Doxycycline Monohydrate | Generic | 20 | 20 | $236 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 15 | 15 | $255 |
| Prednisone | Generic | 15 | 15 | $89 |
| Ondansetron Odt (Ondansetron) | Brand | 13 | 13 | $85 |
Hospital affiliations
Frequently asked questions
What is Dr. Peter Grimes's medical specialty?
Dr. Peter Grimes practices Emergency Medicine Physician in Downey, CA.
Where does Dr. Peter Grimes practice?
Dr. Peter Grimes practices at 9333 Imperial Hwy, Downey, CA 902422812. Office phone: 5626577000.
What is Dr. Peter Grimes's NPI?
Dr. Peter Grimes's National Provider Identifier (NPI) is 1518181866, issued by NPPES.
Does Dr. Peter Grimes accept Medicare assignment?
Yes. Dr. Peter Grimes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Grimes commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.