Gregory Lucien Simpson, M.D.

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

A112941 Issued in CA

Practice address

2335 E Kashian LN Ste 208
Fresno, CA 93701-2230

Phone

(559) 320-1090

NPI assigned

Jul 5, 2007

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

DermatologyAlso: Internal Medicine

Education

University of Tennessee, HSC, College of Medicine, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Central California Faculty Medical Group IncGroup PAC ID 8325952773, 256 clinicians

Family Healthcare NetworkGroup PAC ID 6305756339, shared by 34 NPIs, 91 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Community Regional Medical Center Hospital, Fresno, CA, CCN 050060

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gregory.simpson.1@31788.direct.athenahealth.com
• Direct secure messaging: gregory.simpson@fhcn.eclinicaldirectplus.com
• Direct secure messaging: gregory.simpson.1@17661.direct.athenahealth.com

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.

• Central California Faculty Medical Group, Inc.

  • Emergency Medicine Physician
  • Fresno, CA
  • NPI 1457603573
  Medicare reassignment Care Compare group NPD
• University Faculty Associates, Inc.

  • Internal Medicine Physician
  • Fresno, CA
  • NPI 1073911137
  Medicare reassignment NPD
• Fresno Community Hospital and Medical Center

  • General Acute Care Hospital
  • Fresno, CA
  • NPI 1104906569
  NPD (past)
• United Health Centers of the San Joaquin Valley

  • Federally Qualified Health Center (FQHC)
  • Huron, CA
  • NPI 1134101686
  NPD (past)
• University Faculty Associates, Inc.

  • Emergency Medicine Physician
  • Fresno, CA
  • NPI 1235537283
  NPD (past)

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

• Fresno Community Hospital and Medical Center

  • General Acute Care Hospital
  • Fresno, CA
  • NPI 1104906569
  Care Compare affiliation

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

{
    "created_epoch": "1183593600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754870400000",
    "number": "1740488238",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2625 E DIVISADERO ST",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937211431",
            "telephone_number": "559-443-2682",
            "fax_number": "559-443-2681"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2335 E KASHIAN LN STE 208",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937012230",
            "telephone_number": "559-320-1090"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "GREGORY",
        "middle_name": "LUCIEN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-05",
        "last_updated": "2025-08-11",
        "certification_date": "2025-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CA",
            "license": "A112941",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Simpletherapy Inc
• Hazel Simplina
• Simply MH Licensed Clinical Social Worker Corporation
• Simpson Speech and Language Therapy Services, PC
• Elisha Jean Simpson
• Hayden Frances Simpson
• Kacie Simpson
• Kaylee Simpson
• Megan Elise Simpson, PPS
• Monique Janice Simpson

• Dermatology Physician in Fresno, CA
• Providers in Fresno, CA by specialty
• Dermatology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.