Robert K Allen, MD

Primary specialty

Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X

License

G25241 Issued in CA

Practice address

1575 Soquel Dr
Santa Cruz, CA 95065-1700

Phone

(831) 479-3772

Fax

(831) 479-3791

NPI assigned

Aug 26, 2005

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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

{
    "created_epoch": "1125014400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1871586610",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1575 SOQUEL DR",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950651700",
            "telephone_number": "831-479-3772",
            "fax_number": "831-479-3791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1575 SOQUEL DR",
            "city": "SANTA CRUZ",
            "state": "CA",
            "postal_code": "950651700",
            "telephone_number": "831-479-3772",
            "fax_number": "831-479-3791"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ALLEN",
        "first_name": "ROBERT",
        "middle_name": "K",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-26",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "CA",
            "license": "G25241",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G252410",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christopher Scott Allen
• Julie Marie Allen
• Lindsay Christopher Allen
• Miranda Gayle Allen
• Richard D Allen, PHD
• Celena Allison, LMFT
• Claire Allison
• Jeanette Allison
• Natalie Page Allyn, PEER SUPPORT SPECIAL
• Christian Glenn Almarez

• Colon & Rectal Surgery Physician in Santa Cruz, CA
• Providers in Santa Cruz, CA by specialty
• Colon & Rectal Surgery Physician in California

• 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.

Verify at the official NPI Registry.