Morton Aaron Kamzan, M.D.
Internal Medicine Physician · Los Angeles, CA
Morton Aaron Kamzan, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1043547813, issued on Nov 15, 2009. Check the license (California G25124, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Morton Aaron Kamzan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G25124 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5970 S Central Ave, Los Angeles, CA 90001
- Phone
- (877) 358-5841
- Enumerated
- Nov 15, 2009
- Record last updated
- Jul 31, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (323) 248-7044
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 5970 S Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Morton Aaron Kamzan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G25124Check 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
61 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium24 claims
- Jardiance21 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.
Morton Aaron Kamzan among 17,696 internal medicine physician records in California
Morton Aaron Kamzan, 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 fileNo · 63% of these records are
- Record last updated2019 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Luis Aparicio, M.D.Los Angeles, CA 900021528163375
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- Cozzette Lyons, MDLos Angeles, CA 900021366471757
- Tawny Marie Nocon-Patalinjug, MDLos Angeles, CA 900021043956998
- Roderick Seamster, M.D.Los Angeles, CA 900021407951551
- Leonisa LimLos Angeles, CA 900031225170848
Common questions
What is Morton Aaron Kamzan, M.D.'s NPI number?
Morton Aaron Kamzan, M.D.'s National Provider Identifier (NPI) is 1043547813, issued on Nov 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Morton Aaron Kamzan, M.D. located?
The NPPES record lists a practice address at 5970 S Central Ave, Los Angeles, CA, 90001. Phone: (877) 358-5841. Providers update this record themselves, so call before visiting.
How can I verify Morton Aaron Kamzan, M.D.'s license?
NPPES lists California license number G25124, 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 Morton Aaron Kamzan, M.D. prescribe under Medicare Part D?
In 2024, Morton Aaron Kamzan, M.D. had 61 Medicare Part D claims; 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.