Thomas M. Callan, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

OPT 7749 TPG Issued in CA

Practice address

675 Ygnacio Valley Rd
Suite B103
Walnut Creek, CA 94596-3860

Phone

(925) 933-0270

Fax

(925) 933-4721

NPI assigned

Mar 1, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

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

• Insight Vision Care Optometry

  • Optometrist
  • Walnut Creek, CA
  • NPI 1275903148
  NPD (past)
• Michael a. Roy, O.D. Inc.

  • Health Service Clinic/Center
  • Walnut Creek, CA
  • NPI 1366749459
  NPD (past)

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

{
    "created_epoch": "1172707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1043348394",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "675 YGNACIO VALLEY RD",
            "address_2": "SUITE B103",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945963860",
            "telephone_number": "925-933-0270",
            "fax_number": "925-933-4721"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "675 YGNACIO VALLEY RD",
            "address_2": "SUITE B103",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945963860",
            "telephone_number": "925-933-0270",
            "fax_number": "925-933-4721"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLAN",
        "first_name": "THOMAS",
        "middle_name": "M.",
        "credential": "OD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-01",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "OPT 7749 TPG",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• California Integrative Medicine, Inc.
• California Spine Center a Professional Medical Corporation
• California Sports Physical Therapy Centers Inc
• Nancy Ann Calkin, PT,CHT
• Timothy Patrick Callahan, DDS
• Christopher G. Callas
• Elizabeth Marie Callaway, D.C.
• Bryan R Callejo
• Callista Surgery Center, LLC
• Devin T Callister, M.D.

• Optometrist in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 8, 2007; 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.