Celina Allyn Mercer, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A183797 Issued in CA

Practice address

1179 N McDowell Blvd
Petaluma, CA 94954-6559

Phone

(707) 559-7500

NPI assigned

Apr 16, 2020

Last updated

Feb 7, 2025By the provider in NPPES

Sex

Female

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

Specialty

Family Practice

Education

Tulane University School of Medicine, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Petaluma Health Center IncGroup PAC ID 9133180375, 76 clinicians

Coastal Health AllianceGroup PAC ID 7315919933, 40 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Accentcare Home Health of California, Inc Home health agency, San Ramon, CA, CCN 057517
• Petaluma Valley Hospital Hospital, Petaluma, CA, CCN 050136
• Providence Santa Rosa Memorial Hospital Hospital, Santa Rosa, CA, CCN 050174

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cmercer582776@direct.ochin.org
• Direct secure messaging: cmercer737142@direct.ochin.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.

• Petaluma Health Center Inc

  dba Petaluma Health Center

  • Federally Qualified Health Center (FQHC)
  • Petaluma, CA
  • NPI 1588656268
  Medicare reassignment Care Compare group NPD
• Indian Health Center of Santa Clara Valley

  • Federally Qualified Health Center (FQHC)
  • San Jose, CA
  • NPI 1881997963
  Medicare reassignment NPD
• Indian Health Center of Santa Clara Valley

  • Federally Qualified Health Center (FQHC)
  • San Jose, CA
  • NPI 1275964488
  NPD
• Indian Health Center of Santa Clara Valley

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • San Jose, CA
  • NPI 1366726903
  NPD
• Petaluma Health Center, Inc

  dba Casa Grande High School Health Clinic

  • Federally Qualified Health Center (FQHC)
  • Petaluma, CA
  • NPI 1437918406
  NPD

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

• Accentcare Home Health of California, Inc.

  • Home Health Agency
  • San Ramon, CA
  • NPI 1972559961
  Care Compare affiliation
• Norcal Healthconnect LLC

  dba Petaluma Valley Hospital

  • General Acute Care Hospital
  • Petaluma, CA
  • NPI 1235162645
  Care Compare affiliation
• St. Joseph Health Northern California, LLC

  dba Providence Santa Rosa Memorial Hospital

  • General Acute Care Hospital
  • Santa Rosa, CA
  • NPI 1134152549
  Care Compare affiliation

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

{
    "created_epoch": "1586995200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738886400000",
    "number": "1245850585",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1179 N MCDOWELL BLVD",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949546559",
            "telephone_number": "707-559-7500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1179 N MCDOWELL BLVD",
            "city": "PETALUMA",
            "state": "CA",
            "postal_code": "949546559",
            "telephone_number": "707-559-7500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MERCER",
        "first_name": "CELINA",
        "middle_name": "ALLYN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-04-16",
        "last_updated": "2025-02-07",
        "certification_date": "2025-02-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A183797",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Claudia Menendez
• Myrna Menjivar Gray, DDS
• Joan Marie Menke, MFT
• Sweet Alyssum Mensoff, LMFT
• Shannon Mentock, MD
• Trevor Merrell
• Bethlehem Fekadu Messele
• Alyssa Messer
• Moe Metwalli, PHARMD
• Charles E. Metzger, MD

• Family Medicine Physician in Petaluma, CA
• Providers in Petaluma, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 7, 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.