Geraldine Gan Tan, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

A81859 Issued in CA

Practice address

1220 Rossmoor Pkwy
Walnut Creek, CA 94595-2501

Phone

(925) 947-3393

Fax

(925) 947-3396

NPI assigned

Mar 16, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gtan19703@ehr.johnmuirhealth.com

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.

• Inpatient Consultants of California, Inc.

  • Hospitalist Physician
  • Berkely, CA
  • NPI 1831134253

  Internal Medicine

  Medicare reassignment NPD
• John Muir Physician Network

  • General Practice Physician
  • Walnut Creek, CA
  • NPI 1841407665
  Medicare reassignment NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861
  NPD
• Southern Health Corp. of Houston, Inc

  • Rural Health Clinic/Center
  • Houston, MS
  • NPI 1083721732
  NPD (past)
• Southern Health Corp. of Houston, Inc.

  • Clinic/Center
  • Okolona, MS
  • NPI 1922174655
  NPD (past)
• Tishomingo Health Services, Inc.

  • Clinic/Center
  • Belmont, MS
  • NPI 1295105922
  NPD (past)

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

{
    "created_epoch": "1142467200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1443484800000",
    "number": "1699744086",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "DEPT 34929",
            "address_2": "P.O. BOX 39000",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941390001",
            "telephone_number": "925-952-2828",
            "fax_number": "925-952-2850"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1220 ROSSMOOR PKWY",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945952501",
            "telephone_number": "925-947-3393",
            "fax_number": "925-947-3396"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TAN",
        "first_name": "GERALDINE",
        "middle_name": "GAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-16",
        "last_updated": "2015-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A81859",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A81859",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P01495634",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A818590",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Maher Tama, M.D.
• Madison Tamayo
• Tampico Healthcare Center LLC
• Jesse D Tamplen, L.C.S.W.
• Sharrukina Tamrazi
• Kwong Y. Tan, MD
• Marzen Tan
• Matthew Tan
• Mikaella Andrea Cruzado Tan
• Rose K Tan, LAC

• Hospitalist Physician in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 2015; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.