Michael Tang, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A182335 Issued in CA

Practice address

101 Main Street
Winters, CA 95694

Phone

(530) 334-7184

Fax

(530) 334-7186

NPI assigned

Apr 3, 2019

Last updated

Sep 12, 2025By 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 3

Addresses

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

Specialty

Internal Medicine

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Northbay Physicians Surgery Center, LLCGroup PAC ID 0042122244, 336 clinicians

Northbay Health Medical FoundationGroup PAC ID 3274010871, 207 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Healthflex Home Health Services Home health agency, Oakland, CA, CCN 059551
• Ascension Healthcare Services Home health agency, Campbell, CA, CCN 059765
• Northbay Medical Center Hospital, Fairfield, CA, CCN 050367

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 30)

Interoperability endpoints

• FHIR API: https://fhir-myrecord.cerner.com/r4/UMZ-Uxn6V9x08sH5gCnG-5yPg9ZX7et6/
• Direct secure messaging: mtang652131@hisp.ehr.sutterhealth.org

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.

• Northbay Health Medical Foundation

  dba NorthBay Health Medical Network

  • Internal Medicine Physician
  • Fairfield, CA
  • NPI 1760283527
  Medicare reassignment Care Compare group NPD
• Northbay Healthcare Group

  dba dba NorthBay Medical Center

  • General Acute Care Hospital
  • Fairfield, CA
  • NPI 1821147786
  Medicare reassignment Care Compare group NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• Quantum Healthcare Medical Associates Inc.

  • Hospitalist Physician
  • Colton, CA
  • NPI 1568490597

  Internal Medicine

  Medicare reassignment NPD
• Northbay Healthcare Group

  dba NorthBay VacaValley Hospital

  • Multi-Specialty Clinic/Center
  • Vacaville, CA
  • NPI 1760534713
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• Northbay Physicians Surgery Center LLC

  dba The Surgery Center

  • Ambulatory Surgical Clinic/Center
  • Vacaville, CA
  • NPI 1003015843
  NPD (past)

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

• Amlife Home Health Services, LLC

  dba Ascension Healthcare Services

  • Home Health Agency
  • Campbell, CA
  • NPI 1295127256
  Care Compare affiliation
• Healthflex Home Health Services

  • Home Health Agency
  • Oakland, CA
  • NPI 1326399296
  Care Compare affiliation
• Northbay Healthcare Group

  dba dba NorthBay Medical Center

  • General Acute Care Hospital
  • Fairfield, CA
  • NPI 1821147786
  Care Compare affiliation

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

{
    "created_epoch": "1554249600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757635200000",
    "number": "1912469446",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "101 MAIN STREET",
            "city": "WINTERS",
            "state": "CA",
            "postal_code": "95694",
            "telephone_number": "530-334-7184",
            "fax_number": "530-334-7186"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 MAIN STREET",
            "city": "WINTERS",
            "state": "CA",
            "postal_code": "95694",
            "telephone_number": "530-334-7184",
            "fax_number": "530-334-7186"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TANG",
        "first_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-03",
        "last_updated": "2025-09-12",
        "certification_date": "2025-09-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.143391",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A182335",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Maryann Saelee
• Lance Obrian Smith
• Roxanne Neuenschwander Snyder, APRN BC FNP
• Kimberly Michelle Stanford, LM
• Sutter Valley Medical Foundation
• Andrea Corinne Trader-McKenna, MD
• Linda Tsang, DDS
• Brittany N Vacura Sarris, DDS
• Viridiana Simona Van Den Hengel-Gomez, PA65426
• We Care 4 Yolo LLC

• Internal Medicine Physician in Winters, CA
• Providers in Winters, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 12, 2025; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.