Active NPI
Gerald Charles Berkman, MD
- Pediatric Nephrology Physician
- Westlake Village, CA
National Provider Identifier
1225009822
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatric Nephrology Physician
- License
- G21015
- Practice address
- 32144 Agoura Rd
Suite 211
Westlake Village, CA 91361 - Phone
- (818) 889-8387
- Fax
- (818) 889-0272
- NPI assigned
- Jan 31, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatric Adolescent Medicine Physician | 2080A0000X | G21015 | CA | |
| Pediatric Nephrology Physician | 2080P0210X | G21015 | CA | Primary |
Addresses
Primary practice location
32144 Agoura Rd
Suite 211
Westlake Village, CA 91361
Mailing address
32144 Agoura Rd
Suite 211
Westlake Village, CA 91361
Phone (818) 889-8387
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G21015 | CA | MD | Pediatric Nephrology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1138665600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1225009822",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "32144 AGOURA RD",
"address_2": "SUITE 211",
"city": "WESTLAKE VILLAGE",
"state": "CA",
"postal_code": "91361",
"telephone_number": "818-889-8387",
"fax_number": "818-889-0272"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "32144 AGOURA RD",
"address_2": "SUITE 211",
"city": "WESTLAKE VILLAGE",
"state": "CA",
"postal_code": "91361",
"telephone_number": "818-889-8387",
"fax_number": "818-889-0272"
}
],
"practiceLocations": [],
"basic": {
"last_name": "BERKMAN",
"first_name": "GERALD",
"middle_name": "CHARLES",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-01-31",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2080A0000X",
"taxonomy_group": "",
"desc": "Pediatrics, Adolescent Medicine",
"state": "CA",
"license": "G21015",
"primary": false
},
{
"code": "2080P0210X",
"taxonomy_group": "",
"desc": "Pediatrics, Pediatric Nephrology",
"state": "CA",
"license": "G21015",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Westlake Village, CA
- Guadalupe Benitez, BCAT
- Ashley Colis Bennett, BCBA
- Adam Scott Bennion, D.D.S., M.D.
- John Michael Berardis, MD
- Hillary Monica Berens, PSY.D, MFT
- Joan Berl Brooks, MFT
- Donna Toufer Berns, M.A
- Bert B. Schoenkerman, M.D., a Professional Medical Corporation
- Vickie Bachus Bert, PHD
- Caroline Haas Bessolo, M.D.
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.