Herman Lee Kagan, MD
Internal Medicine Physician · Sherman Oaks, CA
Herman Lee Kagan, MD is an internal medicine physician with a practice address in Sherman Oaks, California, and NPI 1134276579, issued on Jan 5, 2007. Check the license (California G33026, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Herman Lee Kagan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G33026 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13320 Riverside Dr, Sherman Oaks, CA 91423
- Phone
- (818) 784-8401
- Enumerated
- Jan 5, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (818) 784-0135
- Medicare enrollment
- Enrolled (PECOS I20110511000325); accepts Medicare assignment
- Medical or professional school
- University Of Louisville School Of Medicine, 1975
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 13320 Riverside Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eun Hee Chung, DDSPediatric Dentistry1457643850
- Steven Drell, MDInternal Medicine Physician1790832111
- Michael Franco, M.D.Family Medicine Physician1902143670
- Gillian Giorgio, PA-CMedical Physician Assistant1235451436
- Melanie Landay, MDReproductive Endocrinology Physician1811148760
- Mark Marcus, D.D.S.General Practice Dentistry1144423666
Verify Herman Lee Kagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G33026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average internal medicine physician in 2024
3,176 Medicare Part D claims for 221 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 63 claims were for opioids.
Most prescribed
- Atorvastatin Calcium313 claims
- Amlodipine Besylate126 claims
- Hydrochlorothiazide91 claims
- Levothyroxine Sodium91 claims
- Eliquis74 claims
- Losartan Potassium74 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 66.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Steven A. Drell M D And H. Lee Kagan M D, A Medical CorporationSherman Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Herman Lee Kagan among 17,696 internal medicine physician records in California
Herman Lee Kagan, MD 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
- Graduated1975 · 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).
25 internal medicine physician records list a practice address in Sherman Oaks
They are 25 of the 2,691 NPPES records with a practice address in Sherman Oaks, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sherman Oaks → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Koruon Daldalyan, M.D.Sherman Oaks, CA 914231679937643
- Steven Drell, MDSherman Oaks, CA 914231790832111
- Bahman Omrani, DOSherman Oaks, CA 914231700945417
- Stacy Womack Batzdorf, M.D.Sherman Oaks, CA 914231881809218
- Hanan Lobel, MDVan Nuys, CA 914111174612287
- Josef Lobel, M.D.Van Nuys, CA 914111295769230
- Asher Ram, MDVan Nuys, CA 914111609803733
- Mohammad Rasekhi, M.D.Van Nuys, CA 914111043361546
Common questions
What is Herman Lee Kagan, MD's NPI number?
Herman Lee Kagan, MD's National Provider Identifier (NPI) is 1134276579, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Herman Lee Kagan, MD located?
The NPPES record lists a practice address at 13320 Riverside Dr, Sherman Oaks, CA, 91423. Phone: (818) 784-8401. Providers update this record themselves, so call before visiting.
How can I verify Herman Lee Kagan, MD's license?
NPPES lists California license number G33026, 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 Herman Lee Kagan, MD prescribe under Medicare Part D?
In 2024, Herman Lee Kagan, MD had 3,176 Medicare Part D claims for 221 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Herman Lee Kagan, MD's MIPS final score?
The 2023 MIPS final score is 66.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.