Raj Balasundaram, M.D.
Internal Medicine Physician · Downey, CA
Raj Balasundaram, M.D. is an internal medicine physician with a practice address in Downey, California, and NPI 1083840367, issued on Jun 1, 2009. Check the license (California A107910, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Raj Balasundaram
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A107910 CA
Self-reported in NPPES; status is on the state search - Practice location
- 10441 Lakewood Blvd Ste AB, Downey, CA 90241
- Phone
- (562) 869-1070
- Enumerated
- Jun 1, 2009
- Record last updated
- Jan 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20101115000391); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 10441 Lakewood Blvd Ste AB
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Anees, M.D.Internal Medicine Physician1730323353
- Anne Gail ApostolNurse Practitioner1801633805
- Sophie-Chizoma Asogu-Nwosu, NURSE PRACTITIONERNurse Practitioner1538718598
- Simon Chang, M.D.Family Medicine Physician1760594097
- David Chen, MDInternal Medicine Physician1295315489
- Janine Cuevas, NPAcute Care Nurse Practitioner1477278489
Verify Raj Balasundaram in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A107910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
300 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Eliquis37 claims
- Hydralazine Hcl25 claims
- Famotidine23 claims
- Atorvastatin Calcium19 claims
- Furosemide16 claims
- Omeprazole13 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 3 group practices
- Apollomed Hospitalists A Medical CorporationMonterey Park, CA
- Michael Sheinin DO IncWest Hollywood, CA
- St Joseph Hospitalist Medical Group IncBurbank, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raj Balasundaram among 17,696 internal medicine physician records in California
Raj Balasundaram, 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2007 · median 2004 among the 11,065 with a school on file
- Record last updated2023 · 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).
114 internal medicine physician records list a practice address in Downey
They are 114 of the 3,607 NPPES records with a practice address in Downey, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Downey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nazar Al-Bussam, MDDowney, CA 902411003999145
- Domingo Barrientos, M.D.Downey, CA 902411184685281
- Arthur Carrasco, M.D.Downey, CA 902411588601595
- Shahryar Davari, MDDowney, CA 902411346244373
- Henry Do, M.D.Downey, CA 902411538115290
- Alan Frischer, M.D.Downey, CA 902411982701454
- Narayana Gunda, M.D.Downey, CA 902411720026271
- Vinod Patel, M.D.Downey, CA 902411043226756
Common questions
What is Raj Balasundaram, M.D.'s NPI number?
Raj Balasundaram, M.D.'s National Provider Identifier (NPI) is 1083840367, issued on Jun 1, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Raj Balasundaram, M.D. located?
The NPPES record lists a practice address at 10441 Lakewood Blvd Ste AB, Downey, CA, 90241. Phone: (562) 869-1070. Providers update this record themselves, so call before visiting.
How can I verify Raj Balasundaram, M.D.'s license?
NPPES lists California license number A107910, 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 Raj Balasundaram, M.D. prescribe under Medicare Part D?
In 2024, Raj Balasundaram, M.D. had 300 Medicare Part D claims for 46 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.