Individual provider Active NPI

Michael Stacey, M.D.

  • Family Medicine Physician
  • Union City, CA
National Provider Identifier
1336120344
Registry record updated Apr 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A101385 Issued in CA
Practice address
33255 9TH St
Union City, CA 94587-2137
Phone
(510) 471-5888
NPI assigned
Nov 7, 2005
Last updated
Apr 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 13, 2026

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 A101385 CA Primary

Addresses

Primary practice location

33255 9TH St
Union City, CA 94587-2137

Mailing address

1260 B St Ste 125
Hayward, CA 94541-2934
Phone (510) 471-5880

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
I20080414000488 CA Practitioner - Family Practice 2860579927 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Temple University School of Medicine, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

28300 Huntwood Ave
Hayward, CA 94544-5425
Phone (510) 471-5880

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A101385CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Tiburcio Vasquez Health Center, Inc. CurrentSince Aug 1, 2025 Accepting new patients
Tiburcio Vasquez Health Center, Inc. CurrentSince Aug 1, 2025 Accepting new patients
Tiburcio Vasquez Health Center, Inc. Current Accepting new patients
Solano County Health and Social Services Past Accepting new patients

Locations

1260 B St
Ste 125
Hayward, CA 94541

33255 9th St
Union City, CA 94587
Phone (510) 690-6052

Interoperability endpoints

  • Direct secure messaging: mstacey334831@direct.ochin.org
  • Direct secure messaging: mstacey835429@direct.ochin.org

Ownership & related parties

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

FacilityTypeRoleSince
Lifelong Medical CareOakland, CA, CCN A01959 Federally qualified health center W-2 Managing Employee Jun 24, 2019

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1131321600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776038400000",
    "number": "1336120344",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1260 B ST STE 125",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945412934",
            "telephone_number": "510-471-5880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "33255 9TH ST",
            "city": "UNION CITY",
            "state": "CA",
            "postal_code": "945872137",
            "telephone_number": "510-471-5888"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STACEY",
        "first_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-11-07",
        "last_updated": "2026-04-13",
        "certification_date": "2026-04-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A101385",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Union City, CA

Sources for this page

Verify at the official NPI Registry.