Doctor profile · Federal record
Dr. Larissa Thomas, MD
Internal Medicine Physician (CMS: Internal Medicine) · San Francisco, CA
- NPI 1508192873
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 18 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1001 Potrero Ave
San Francisco, CA 941103518
(415) 206-8000 - Mailing address
-
1001 Potrero Ave # 5H
San Francisco, CA 941103518
Credentials & registration
- NPI registered
- October 2009 — 17 yrs on file
- Profile last updated
- July 10, 2023
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A111841
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508192873. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
185
Distinct HCPCS
5
Medicare allowed
$21,829
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 90 | 30 | $90 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 55 | 24 | $135 | |
99239 |
Hospital discharge day management, more than 30 minutes | 15 | 15 | $132 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 14 | $197 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $147 |
In context: peer comparison
Among 236 peers in this city , average services per provider: 93. This provider delivers 2.0× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Larissa Thomas's medical specialty?
Dr. Larissa Thomas practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. Larissa Thomas practice?
Dr. Larissa Thomas practices at 1001 Potrero Ave, San Francisco, CA 941103518. Office phone: 4152068000.
What is Dr. Larissa Thomas's NPI?
Dr. Larissa Thomas's National Provider Identifier (NPI) is 1508192873, issued by NPPES.
Does Dr. Larissa Thomas accept Medicare assignment?
Yes. Dr. Larissa Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larissa Thomas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.