Individual provider Active NPI

Joyce Maria Tang, MD

  • Family Medicine Physician
  • Martinez, CA
National Provider Identifier
1689903171
Registry record updated Dec 14, 2009
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A72663 Issued in CA
Practice address
2500 Alhambra Ave
Martinez, CA 94553-3156
Phone
(925) 370-5110
Fax
(925) 370-5142
NPI assigned
Dec 14, 2009
Last updated
Dec 14, 2009By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 14, 2009

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A72663 CA Primary

Addresses

Primary practice location

2500 Alhambra Ave
Martinez, CA 94553-3156

Mailing address

595 Center Ave
Suite 300
Martinez, CA 94553-4633
Phone (925) 313-6098

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20260317001689 CA Practitioner - Family Practice 3375716236 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Stanford University School of Medicine, 1998
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

331 C St
Martinez, CA 94553-3137

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Contra Costa County CurrentSince Feb 4, 2026 Accepting new patients
Contra Costa County CurrentSince Feb 4, 2026 Accepting new patients

Locations

2500 Alhambra Ave
Martinez, CA 94553
Phone (925) 370-5000

Organizations & group practices 3

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

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1260748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1260748800000",
    "number": "1689903171",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "595 CENTER AVE",
            "address_2": "SUITE 300",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945534633",
            "telephone_number": "925-313-6098",
            "fax_number": "925-313-6599"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 ALHAMBRA AVE",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945533156",
            "telephone_number": "925-370-5110",
            "fax_number": "925-370-5142"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TANG",
        "first_name": "JOYCE",
        "middle_name": "MARIA",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-12-14",
        "last_updated": "2009-12-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A72663",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Martinez, CA

Sources for this page

Verify at the official NPI Registry.