Dr. David L. Sitzer

Primary specialty

Counseling PsychologistTaxonomy code 103TC1900X

License

13538 Issued in CA

Legal business name

DR. DAVID L. SITZER

Practice address

3471 Ramona St
Palo Alto, CA 94306-3547

Phone

(650) 269-0657

NPI assigned

Nov 16, 2015

Organization subpart

No

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

Authorized official

Name

Dr. David L. Sitzer, PH.D.NPI 1619091253

Title

Psychologist

Phone

(650) 269-0657

Specialties & licenses 1

Addresses

Locations

Practitioners 1

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

• David Sitzer, PH.D.

  • Psychologist
  • Palo Alto, CA
  • NPI 1619091253
  NPD Authorized official

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

{
    "created_epoch": "1447632000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1748995200000",
    "number": "1962876896",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3471 RAMONA ST",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943063547",
            "telephone_number": "650-269-0657"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3471 RAMONA ST",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943063547",
            "telephone_number": "650-269-0657"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "DR. DAVID L. SITZER",
        "organizational_subpart": "NO",
        "enumeration_date": "2015-11-16",
        "last_updated": "2025-06-04",
        "certification_date": "2025-06-04",
        "status": "A",
        "authorized_official_last_name": "SITZER",
        "authorized_official_first_name": "DAVID",
        "authorized_official_middle_name": "L.",
        "authorized_official_title_or_position": "PSYCHOLOGIST",
        "authorized_official_telephone_number": "650-269-0657",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PH.D."
    },
    "taxonomies": [
        {
            "code": "103TC1900X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Psychologist, Counseling",
            "state": "CA",
            "license": "13538",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Counseling Psychologist in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Counseling Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 4, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.