Stephannie Leong Ratcliff, MD, MS

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

A183140 Issued in CA

Practice address

2500 Alhambra Ave
Martinez, CA 94553-3156

Phone

(925) 370-5200

NPI assigned

Jun 10, 2021

Last updated

Jul 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 2

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

University of California, San Francisco School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Contra Costa Regional Medical Center Hospital, Martinez, CA, CCN 050276
• Alta Bates Summit Medical Center Hospital, Oakland, CA, CCN 050043

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Master of Science

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: sratcliff739320@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.

• Sutter Bay Medical Foundation

  dba Palo Alto Medial Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment Care Compare group NPD
• Contra Costa County

  dba West County Adult Mental Health Services

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

  dba East County Adult Mental Health Services

  • Adult Mental Health Clinic/Center
  • Pittsburg, CA
  • NPI 1073691598
  NPD
• Contra Costa County

  dba Contra Costa Health

  • General Acute Care Hospital
  • Martinez, CA
  • NPI 1386719086
  NPD
• Sutter Bay Medical Foundation

  dba Palo Alto Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD
• Sutter East Bay Medical Foundation

  • Clinical Medical Laboratory
  • Berkeley, CA
  • NPI 1831381623
  NPD (past)

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

• Contra Costa County

  dba Contra Costa Health

  • General Acute Care Hospital
  • Martinez, CA
  • NPI 1386719086
  Care Compare affiliation
• Sutter Bay Hospitals

  dba Alta Bates Summit Medical Center - Summit Campus

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1295181477
  Care Compare affiliation

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

{
    "created_epoch": "1623283200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751846400000",
    "number": "1942877501",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 ALHAMBRA AVE",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945533156"
        },
        {
            "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": "925-370-5200"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "350 Hawthorne Ave Rm 2346",
            "address_purpose": "LOCATION",
            "city": "Oakland",
            "state": "CA",
            "postal_code": "946093108",
            "country_code": "US",
            "telephone_number": "510-869-6883",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RATCLIFF",
        "first_name": "STEPHANNIE",
        "middle_name": "LEONG",
        "credential": "MD, MS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-06-10",
        "last_updated": "2025-07-07",
        "certification_date": "2025-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A183140",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "A183140",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lisa Alexandria Rangel
• Paula Rangel
• Mary F Rank, FNP
• David Raphael
• Kathryn E. Raphael, MD
• Belinda Ray
• Bruce Richards Reed, PH.D.
• Cathy Louise Reed, R.D.
• David Brian Reedy, MD
• Debra Snyder Rees, RD

• Family Medicine Physician in Martinez, CA
• Providers in Martinez, 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 Jul 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.