Ritu Kumar, M.D.
Internal Medicine Physician · Torrance, CA
Ritu Kumar, M.D. is an internal medicine physician with a practice address in Torrance, California, and NPI 1063535367, issued on Apr 9, 2007. Check the license (California A94615, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ritu Kumar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A94615 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1000 W Carson St, Torrance, CA 90509
- Phone
- (310) 222-2401
- Enumerated
- Apr 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 320-9688
- 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.
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Verify Ritu Kumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94615Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
361 Medicare Part D claims for 66 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Quetiapine Fumarate30 claims
- Levothyroxine Sodium27 claims
- Metoprolol Tartrate23 claims
- Gabapentin17 claims
- Ipratropium-Albuterol15 claims
- Montelukast Sodium13 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.
Ritu Kumar among 17,696 internal medicine physician records in California
Ritu Kumar, 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 fileNo · 63% of these records are
- 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
- Patricia Loo, MDTorrance, CA 905091427215250
- Carmen Mendez, M.D.Torrance, CA 905091609073618
- Leslie OesterichTorrance, CA 905091245518422
Common questions
What is Ritu Kumar, M.D.'s NPI number?
Ritu Kumar, M.D.'s National Provider Identifier (NPI) is 1063535367, issued on Apr 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ritu Kumar, M.D. located?
The NPPES record lists a practice address at 1000 W Carson St, Torrance, CA, 90509. Phone: (310) 222-2401. Providers update this record themselves, so call before visiting.
How can I verify Ritu Kumar, M.D.'s license?
NPPES lists California license number A94615, 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 Ritu Kumar, M.D. prescribe under Medicare Part D?
In 2024, Ritu Kumar, M.D. had 361 Medicare Part D claims for 66 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.