Doctor profile · Federal record
Dr. Peter Sim, M.D.
Infectious Disease Physician (CMS: Infectious Disease) · Los Angeles, CA
- NPI 1659309672
- Accepts Medicare
- MIPS 5.9 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1520 San Pablo St, Suite 1000
Los Angeles, CA 900335310
(323) 442-5100 - Mailing address
-
Po Box 457
San Dimas, CA 917730457
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- September 24, 2018
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- California #A67722
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659309672. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,581
Distinct HCPCS
5
Medicare allowed
$332,108
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 2,939 | 392 | $83 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 422 | 389 | $137 | |
99291 |
Critical care, first 30-74 minutes | 87 | 16 | $222 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 82 | 33 | $52 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 51 | 27 | $125 |
In context: peer comparison
Among 39 peers in this city , average services per provider: 181. This provider delivers 20× the peer median.Frequently asked questions
What is Dr. Peter Sim's medical specialty?
Dr. Peter Sim practices Infectious Disease Physician in Los Angeles, CA.
Where does Dr. Peter Sim practice?
Dr. Peter Sim practices at 1520 San Pablo St, Los Angeles, CA 900335310. Office phone: 3234425100.
What is Dr. Peter Sim's NPI?
Dr. Peter Sim's National Provider Identifier (NPI) is 1659309672, issued by NPPES.
Does Dr. Peter Sim accept Medicare assignment?
Yes. Dr. Peter Sim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Sim commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.