Gerald Berkman, MD
Pediatric Adolescent Medicine Physician · Westlake Village, CA
Gerald Berkman, MD is a pediatric adolescent medicine physician with a practice address in Westlake Village, California, and NPI 1225009822, issued on Jan 31, 2006. Check the license (California G21015, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gerald Berkman
- Credential
- MD
- Primary taxonomy
- Pediatric Adolescent Medicine Physician 2080A0000X
- License number
- G21015 CA
Self-reported in NPPES; status is on the state search - Practice location
- 32144 Agoura RD, Westlake Village, CA 91361
- Phone
- (818) 889-8387
- Enumerated
- Jan 31, 2006
- Entity
- Type 1 · individual
Also registered at 32144 Agoura RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Asher Kashanchi, PHARM DPharmacist1083051825
- Charles Kelman, D.P.MPodiatrist1063490738
Verify Gerald Berkman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G21015Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
82% fewer Medicare Part D claims than the average pediatric adolescent medicine physician in 2024
37 Medicare Part D claims, against an average of 205 among the 367 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium13 claims
- Alprazolam11 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.
Pediatric Adolescent Medicine Physician providers in California
There are 254 pediatric adolescent medicine physician records in California.
All 254 in California → Every provider in Westlake Village →
Other pediatric adolescent medicine physician records in California
- William Adelman, M.D.Orange, CA1831191386
- Shelley Aggarwal, MDPalo Alto, CA1013029586
- Elsa Aguilar, M.D.Anaheim, CA1922133354
- Saverio Aita, M.D.Napa, CA1003132325
- Kaneez Ali, PAPerris, CA1639225154
- Agnes Alikpala, M.D.San Francisco, CA1306919568
- Joanne Allport, M.D., M.P.H.Benicia, CA1811096332
- Ramin Amani, MDVista, CA1659366292
- Sudha Amatya, M.D.San Diego, CA1790830511
- Seth Ammerman, MDHealdsburg, CA1831290154
Common questions
What is Gerald Berkman, MD's NPI number?
Gerald Berkman, MD's National Provider Identifier (NPI) is 1225009822, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerald Berkman, MD located?
The NPPES record lists a practice address at 32144 Agoura RD, Westlake Village, CA, 91361. Phone: (818) 889-8387. Providers update this record themselves, so call before visiting.
How can I verify Gerald Berkman, MD's license?
NPPES lists California license number G21015, 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 Gerald Berkman, MD prescribe under Medicare Part D?
In 2024, Gerald Berkman, MD had 37 Medicare Part D claims; the average among pediatric adolescent medicine physician prescribers was 205. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.