Calabasas Pediatrics

Primary specialty

Clinic/CenterTaxonomy code 261Q00000X

License

A72521 Issued in CA

Legal business name

CALABASAS PEDIATRICS

Practice address

23586 Calabasas Rd Ste 107
Calabasas, CA 91302-1334

Phone

(884) 914-4429

Fax

(884) 882-5036

NPI assigned

May 4, 2017

Last updated

Mar 23, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Tanya Altmann, MDNPI 1073512083

Title

Pediatrician

Phone

(818) 914-4429

Specialties & licenses 1

Addresses

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

CLIA laboratory certificates

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Tanya Remer Altmann, M.D.

  • Pediatrics Physician
  • Calabasas, CA
  • NPI 1073512083
  NPD Authorized official
• Catherine Pourdavoud, MD

  • Pediatrics Physician
  • Dublin, CA
  • NPI 1790145894
  NPD (past)

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

{
    "created_epoch": "1493856000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774224000000",
    "number": "1356877740",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23586 CALABASAS RD STE 107",
            "city": "CALABASAS",
            "state": "CA",
            "postal_code": "913021334",
            "telephone_number": "818-914-4429",
            "fax_number": "844-882-5036"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23586 CALABASAS RD STE 107",
            "city": "CALABASAS",
            "state": "CA",
            "postal_code": "913021334",
            "telephone_number": "884-914-4429",
            "fax_number": "884-882-5036"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CALABASAS PEDIATRICS",
        "organizational_subpart": "NO",
        "enumeration_date": "2017-05-04",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A",
        "authorized_official_last_name": "ALTMANN",
        "authorized_official_first_name": "TANYA",
        "authorized_official_title_or_position": "PEDIATRICIAN",
        "authorized_official_telephone_number": "818-914-4429",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "261Q00000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center",
            "state": "CA",
            "license": "A72521",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Calabasas Anesthesia Associates
• Calabasas ASC
• Calabasas Center for Oral Surgery
• Calabasas Medical Center Inc
• Calabasas Medical Spa
• Calabasas Surgery Center LLC
• Calabasas TMS Center, Inc.
• Calaid Home Healthcare, LLC
• California PPO LLC
• Barbara Linda Calvi, M.S.

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• 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.