Hillary Wrenn Carothers Seidenberg

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

A155767 Issued in CA

Practice address

757 Westwood PLZ
Los Angeles, CA 90095-7419

Phone

(310) 267-9129

NPI assigned

Apr 11, 2016

Last updated

Oct 14, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• County of Ventura

  dba Ventura County Medical Center

  • General Acute Care Hospital
  • Ventura, CA
  • NPI 1629167457
  Medicare reassignment NPD
• County of Ventura

  dba Conejo Valley Family Medical Group FQHC

  • Federally Qualified Health Center (FQHC)
  • Thousand Oaks, CA
  • NPI 1316188253
  NPD
• County of Ventura

  dba VCBH - Simi Valley Youth & Family Mental Health

  • Community/Behavioral Health Agency
  • Simi Valley, CA
  • NPI 1609098243
  NPD
• County of Ventura

  dba Pediatric Diagnostic Center FQHC

  • Federally Qualified Health Center (FQHC)
  • Ventura, CA
  • NPI 1619118569
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1460332800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760400000000",
    "number": "1700240363",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "757 WESTWOOD PLZ",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900957419",
            "telephone_number": "310-267-9129"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "757 WESTWOOD PLZ",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900957419",
            "telephone_number": "310-267-9129"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "300 Hillmont Ave Ste 302",
            "address_purpose": "LOCATION",
            "city": "Ventura",
            "state": "CA",
            "postal_code": "930031651",
            "country_code": "US",
            "telephone_number": "805-641-4494",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEIDENBERG",
        "first_name": "HILLARY",
        "middle_name": "WRENN CAROTHERS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-04-11",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A155767",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hillary.seidenberg@ventura.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Cerner Direct Secure Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Direct Information",
            "address_1": "300 Hillmont Ave Ste 302",
            "city": "Ventura",
            "state": "CA",
            "country_code": "US",
            "postal_code": "930031651",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Barry Scott Seibel, M.D.
• Katherine Seibert
• Alyssa Renee Seibold, MD
• Reim Seid
• Ace Seidel
• Parastoo Seidenfeld, PH.D,
• Elizabeth Seidita, LCSW
• Doreen H Seidler Feller, PHD
• Atih Amanda Seif, M.D
• Jeffrey Seif

• Pediatrics Physician in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.