Sriram Shamasunder, M.D.
Internal Medicine Physician · Torrance, CA
Sriram Shamasunder, M.D. is an internal medicine physician with a practice address in Torrance, California, and NPI 1558552786, issued on Aug 5, 2007. Check the license (California A99920, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sriram Shamasunder
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A99920 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W. Carson St., Torrance, CA 90509
- Phone
- (310) 222-2409
- Enumerated
- Aug 5, 2007
- Record last updated
- Aug 5, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081211000073); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2005
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1000 W. Carson St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Trillondel Acosta, RNAmbulatory Care Registered Nurse1215451091
- Maria Del Real ZepedaCase Manager/Care Coordinator1801160957
- Charles Lanks, M.D.Critical Care Medicine (Internal Medicine) Physician1912199712
- Naseem Malik, RN, PHDPsychiatric/Mental Health Registered Nurse1811070394
- Maximo Nunez, LCSWClinical Social Worker1841352366
- Carolyn Padilla, RNPsychiatric/Mental Health Registered Nurse1649316324
Verify Sriram Shamasunder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
48 Medicare Part D claims for 13 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sriram Shamasunder among 17,696 internal medicine physician records in California
Sriram Shamasunder, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2005 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
231 internal medicine physician records list a practice address in Torrance
They are 231 of the 8,901 NPPES records with a practice address in Torrance, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Torrance → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Antonio Bonet, MDTorrance, CA 905091134386956
- Christopher Brown, MD, MPHTorrance, CA 905091609123504
- Albert Cespedes, M.D.Torrance, CA 905091942527650
- Lisa Chung, M.D.Torrance, CA 905091083931794
- Anuj Datta, MDTorrance, CA 905091215129416
- Ritu Kumar, M.D.Torrance, CA 905091063535367
- Patricia Loo, MDTorrance, CA 905091427215250
- Carmen Mendez, M.D.Torrance, CA 905091609073618
Common questions
What is Sriram Shamasunder, M.D.'s NPI number?
Sriram Shamasunder, M.D.'s National Provider Identifier (NPI) is 1558552786, issued on Aug 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sriram Shamasunder, M.D. located?
The NPPES record lists a practice address at 1000 W. Carson St., Torrance, CA, 90509. Phone: (310) 222-2409. Providers update this record themselves, so call before visiting.
How can I verify Sriram Shamasunder, M.D.'s license?
NPPES lists California license number A99920, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sriram Shamasunder, M.D. prescribe under Medicare Part D?
In 2024, Sriram Shamasunder, M.D. had 48 Medicare Part D claims for 13 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.