Stephen R Wells, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

A49731 Issued in CA

Practice address

120 La Casa Via Ste 208
Walnut Creek, CA 94598-3007

Phone

(925) 935-5356

Fax

(925) 935-1070

NPI assigned

Jul 28, 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

Specialty

Obstetrics/Gynecology

Education

Louisiana State University School of Medicine in New Orleans, 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Bass Medical GroupGroup PAC ID 9032111281, 292 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: swellsmd12316@ehr.johnmuirhealth.com
• FHIR API: https://fhir4.healow.com/fhir/r4/IBDGCA

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.

• Bass Medical Group

  • Obstetrics & Gynecology Physician
  • Walnut Creek, CA
  • NPI 1174253405
  Medicare reassignment Care Compare group NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • Walnut Creek, CA
  • NPI 1043616600
  NPD
• Bass Medical Group

  • Orthopaedic Surgery Physician
  • San Ramon, CA
  • NPI 1467329904
  NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861
  NPD
• Bass Medical Group

  • Specialist
  • Walnut Creek, CA
  • NPI 1154401941
  NPD (past)
• San Ramon Regional Medical Center, LLC

  • General Acute Care Hospital
  • San Ramon, CA
  • NPI 1932131489
  NPD (past)

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

• John Muir Health

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation

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

{
    "created_epoch": "1154044800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739145600000",
    "number": "1659385151",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 LA CASA VIA STE 208",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983007",
            "telephone_number": "925-935-5356",
            "fax_number": "925-935-1070"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "120 LA CASA VIA STE 208",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983007",
            "telephone_number": "925-935-5356",
            "fax_number": "925-935-1070"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WELLS",
        "first_name": "STEPHEN",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-28",
        "last_updated": "2025-02-10",
        "certification_date": "2025-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "CA",
            "license": "A49731",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stacy Catherine Welcome, P.A.-C.
• Stephen Clinton Wellens, D.C., D.A.C.N.B.
• Nancy Leigh Welling, CRNA
• Alexandra Welliver
• Wellness Emerging Medical Group
• Taylor Morgan Welsh
• Chia-Hui Wen, PHARM.D.
• Hien Weng, PHARM.D.
• James Wengert
• Linda Wensley, O.T.

• Obstetrics & Gynecology Physician in Walnut Creek, CA
• Providers in Walnut Creek, CA by specialty
• Obstetrics & Gynecology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 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.