Michael Christopher Gynn, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

A79766 Issued in CA

Practice address

5555 W Las Positas Blvd
Pleasanton, CA 94588-4000

Phone

(925) 416-3440

NPI assigned

Jul 20, 2006

Sex

Male

Sole proprietor

No

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

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

State licenses

Practice roles

Locations

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.

• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927

  Surgery

  Medicare reassignment NPD
• University Healthcare Alliance

  • Internal Medicine Physician
  • Newark, CA
  • NPI 1760531198

  Surgery

  Medicare reassignment NPD
• Contra Costa County

  • Adult Mental Health Clinic/Center
  • San Pablo, CA
  • NPI 1376620336
  Medicare reassignment
• Contra Costa County

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Concord, CA
  • NPI 1205152782
  NPD
• Stanford Health Care

  • Specialty Pharmacy
  • Mountain View, CA
  • NPI 1760366132
  NPD
• Affinity Medical Group

  • Case Manager/Care Coordinator
  • Foster City, CA
  • NPI 1689708042
  NPD (past)

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

{
    "created_epoch": "1153353600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741737600000",
    "number": "1366462491",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5555 W LAS POSITAS BLVD",
            "city": "PLEASANTON",
            "state": "CA",
            "postal_code": "945884000",
            "telephone_number": "925-416-3440"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5555 W LAS POSITAS BLVD",
            "city": "PLEASANTON",
            "state": "CA",
            "postal_code": "945884000",
            "telephone_number": "925-416-3440"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 W. Hospital Rd.",
            "address_purpose": "LOCATION",
            "city": "French Camp",
            "state": "CA",
            "postal_code": "95231",
            "country_code": "US",
            "telephone_number": "209-468-6937",
            "fax_number": "209-468-7042",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GYNN",
        "first_name": "MICHAEL",
        "middle_name": "CHRISTOPHER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-20",
        "last_updated": "2025-03-12",
        "certification_date": "2025-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A79766",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Frank B Guthrie, DDS
• Christine Gutierrez
• Jo Cherribel Gutierrez, LVN
• Nishkala Gutta, MD
• Susan Longworth Guzzo, PSY.D.
• Tom Ha, D.M.D
• Kathryn M Haaland
• Hacienda Dental, Inc
• Hacienda Outpatient Surgery Center, LLC
• Hacienda Park Optometry, Inc

• Surgery Physician in Pleasanton, CA
• Providers in Pleasanton, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.