Doctor profile · Federal record

Dr. Sriram Shamasunder, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Torrance, CA

  • NPI 1558552786
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 W. Carson St.
Torrance, CA 90509
(310) 222-2409

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A99920

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558552786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
70
Distinct HCPCS
2
Medicare allowed
$7,328
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 46 20 $89
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 24 12 $134

In context: peer comparison

Among 52 peers in this city , average services per provider: 143. This provider delivers 0.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Sriram Shamasunder's medical specialty?
Dr. Sriram Shamasunder practices Internal Medicine Physician in Torrance, CA.
Where does Dr. Sriram Shamasunder practice?
Dr. Sriram Shamasunder practices at 1000 W. Carson St., Torrance, CA 90509. Office phone: 3102222409.
What is Dr. Sriram Shamasunder's NPI?
Dr. Sriram Shamasunder's National Provider Identifier (NPI) is 1558552786, issued by NPPES.
Does Dr. Sriram Shamasunder accept Medicare assignment?
Yes. Dr. Sriram Shamasunder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sriram Shamasunder 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). Source: CMS Medicare Physician & Other Practitioners file.