Nirmal Kumar, M.D.
Nephrology Physician · Pasadena, CA
Nirmal Kumar, M.D. is a nephrology physician with a practice address in Pasadena, California, and NPI 1578652111, issued on Oct 12, 2006. Check the license (California A29459, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nirmal Kumar
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A29459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1350 N. Altadena Dr., Pasadena, CA 91107
- Phone
- (626) 798-8400
- Enumerated
- Oct 12, 2006
- Record last updated
- Mar 12, 2026
- Fax
- (626) 798-7617
- Medicaid ID
- 00A294590 CA
- Medicare enrollment
- Enrolled (PECOS I20080404000541); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Verify Nirmal Kumar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A29459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average nephrology physician in 2024
297 Medicare Part D claims for 31 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Sevelamer Carbonate34 claims
- Carvedilol26 claims
- Amlodipine Besylate22 claims
- Furosemide18 claims
- Irbesartan18 claims
- Auryxia17 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.
Nirmal Kumar among 1,468 nephrology physician records in California
Nirmal Kumar, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1971 · median 2001 among the 1,128 with a school on file
- Record last updated2026 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Pasadena → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Sevag Balikian, M.D.Pasadena, CA 911061346485315
- Shih Hsu, M.D.Monterey Park, CA 911081245238591
- Syeda Ali, MDPasadena, CA 911051528051984
- Allen ChaoPasadena, CA 911051952765034
- Justin Chen, MDPasadena, CA 911051447526066
- Muhammad Iqbal, M.D.Pasadena, CA 911051578515896
- Matthew Kim, DOPasadena, CA 911051700319837
- Michael Linsey, M.D.Pasadena, CA 911051841215217
Common questions
What is Nirmal Kumar, M.D.'s NPI number?
Nirmal Kumar, M.D.'s National Provider Identifier (NPI) is 1578652111, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nirmal Kumar, M.D. located?
The NPPES record lists a practice address at 1350 N. Altadena Dr., Pasadena, CA, 91107. Phone: (626) 798-8400. Providers update this record themselves, so call before visiting.
How can I verify Nirmal Kumar, M.D.'s license?
NPPES lists California license number A29459, 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 Nirmal Kumar, M.D. prescribe under Medicare Part D?
In 2024, Nirmal Kumar, M.D. had 297 Medicare Part D claims for 31 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.