Gregory Mark Welsh, MD

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

C167888 Issued in CA

Practice address

300 Pasteur Dr
Stanford, CA 94305-2200

Phone

(650) 723-4000

NPI assigned

Jun 21, 2005

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Other identifiers 5

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

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.

• LPCH Medical Group Div of Lucile

  • Children's Hospital
  • Palo Alto, CA
  • NPI 1417907940

  Pediatrics

  NPD
• Madrona Medical Group, PS

  • Multi-Specialty Clinic/Center
  • Bellingham, WA
  • NPI 1588603120
  NPD (past)
• Peacehealth

  • Sleep Disorder Diagnostic Clinic/Center
  • Bellingham, WA
  • NPI 1265692842
  NPD (past)
• Peacehealth

  • Internal Medicine Physician
  • Bellingham, WA
  • NPI 1356309553

  Pediatrics

  NPD (past)

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

{
    "created_epoch": "1119312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1714262400000",
    "number": "1982600342",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WELSH",
        "first_name": "GREGORY",
        "middle_name": "MARK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-21",
        "last_updated": "2024-04-28",
        "certification_date": "2024-04-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "C167888",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CA",
            "license": "C167888",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1982600342",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "4587164",
            "state": "WA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1090364",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "REGENCE",
            "identifier": "3711",
            "state": "WA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "L&I AND CRIME VICTIMS",
            "identifier": "0229991",
            "state": "WA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Julie Christine Weitlauf, PHD
• Neal C Weldon
• Patrick Thompson Weldon, DO
• Chad Share Weldy, MD
• Stacey Morgan Wells, PA-C
• Helen Victoria Welsh, NP
• Alice Angelica Wen, PHARM.D
• Jessica Tsai Wen
• Yumeng Wen, MD
• Diana Paulson Wendell, NP

• Hospitalist Physician in Stanford, CA
• Providers in Stanford, CA by specialty
• Hospitalist Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 2024; 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.