Hal M. Weitzbuch, M.D. Medical Corporation

Primary specialty

Medical Specialty Clinic/CenterTaxonomy code 261QM2500X

License

A121615 Issued in CA

Legal business name

HAL M. WEITZBUCH, M.D. MEDICAL CORPORATION

Practice address

23501 Park Sorrento Ste 216
Calabasas, CA 91302-1383

Phone

(818) 222-7495

Fax

(818) 222-7498

NPI assigned

Sep 24, 2012

Organization subpart

No

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

Authorized official

Name

Jan West

Title

Practice Administrator

Phone

(818) 222-7495

Specialties & licenses 1

Addresses

Other names 2

• Brilliance Dermatology Doing business as
• Calabasas Dermatology Center Doing business as

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Emily Craft

  • Family Nurse Practitioner
  • San Francisco, CA
  • NPI 1083064349
  Medicare reassignment Care Compare group NPD
• Bryan L Gammon, M.D.

  • Dermatopathology Physician
  • San Jose, CA
  • NPI 1518134154
  Medicare reassignment Care Compare group NPD
• Hal Marcus Weitzbuch, M.D., M.S., FAAD

  • Dermatology Physician
  • Calabasas, CA
  • NPI 1669629317
  Medicare reassignment Care Compare group NPD
• Rebecca Gamliel, PA

  • Physician Assistant
  • Calabasas, CA
  • NPI 1538739685
  Medicare reassignment Care Compare group
• David Erik Greene, M.D.

  • Radiation Oncology Physician
  • Salinas, CA
  • NPI 1285600403
  Medicare reassignment NPD
• Ankit Agarwal, M.D.

  • Radiation Oncology Physician
  • San Antonio, TX
  • NPI 1629430376

  CA

  Medicare reassignment NPD
• Lawrence Osman, MD

  • Dermatology Physician
  • Northridge, CA
  • NPI 1730177932
  NPD (past)

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

{
    "created_epoch": "1348444800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767571200000",
    "number": "1639420177",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23501 PARK SORRENTO STE 216",
            "city": "CALABASAS",
            "state": "CA",
            "postal_code": "913021383",
            "telephone_number": "818-222-7495",
            "fax_number": "818-222-7498"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23501 PARK SORRENTO STE 216",
            "city": "CALABASAS",
            "state": "CA",
            "postal_code": "913021383",
            "telephone_number": "818-222-7495",
            "fax_number": "818-222-7498"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1000 Newbury Rd Ste 180",
            "address_purpose": "LOCATION",
            "city": "Thousand Oaks",
            "state": "CA",
            "postal_code": "913206440",
            "country_code": "US",
            "telephone_number": "818-222-7495",
            "fax_number": "818-222-7498",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "HAL M. WEITZBUCH, M.D. MEDICAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2012-09-24",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A",
        "authorized_official_last_name": "WEST",
        "authorized_official_first_name": "JAN",
        "authorized_official_title_or_position": "PRACTICE ADMINISTRATOR",
        "authorized_official_telephone_number": "818-222-7495"
    },
    "taxonomies": [
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "CA",
            "license": "A121615",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Brilliance Dermatology",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Calabasas Dermatology Center",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Calabasas Dermatology Center",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Veronica Guzman
• Ana Ithzee Haa
• Carla Haberman, LMFT
• Lara B Haddad, M.S., CCC-SLP
• Tarik Hadzic, M.D., PH.D.
• Christie Beth Hall
• Zorine Fran Hall, R.P.T.
• Jessica Leah Devorah Harnoy
• Shannon Haroutunian, LMFT
• Brent Harris, D.O.

• Medical Specialty Clinic/Center in Calabasas, CA
• Providers in Calabasas, CA by specialty
• Medical Specialty Clinic/Center in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.