Doctor profile · Federal record
Dr. John Tsao, MD
Internal Medicine Physician (CMS: Internal Medicine) · Torrance, CA
- NPI 1952377632
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3330 Lomita Blvd
Torrance, CA 905055002
(310) 784-8770 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- January 14, 2026
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A54844
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952377632. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
11
Distinct HCPCS
1
Medicare allowed
$1,228
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99239 |
Hospital discharge day management, more than 30 minutes | 11 | 11 | $112 |
In context: peer comparison
Among 52 peers in this city , average services per provider: 143. This provider delivers 0.1× the peer median.Frequently asked questions
What is Dr. John Tsao's medical specialty?
Dr. John Tsao practices Internal Medicine Physician in Torrance, CA.
Where does Dr. John Tsao practice?
Dr. John Tsao practices at 3330 Lomita Blvd, Torrance, CA 905055002. Office phone: 3107848770.
What is Dr. John Tsao's NPI?
Dr. John Tsao's National Provider Identifier (NPI) is 1952377632, issued by NPPES.
Does Dr. John Tsao accept Medicare assignment?
Yes. Dr. John Tsao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Tsao commonly perform?
Top Medicare-reported procedures in 2023: Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.