David Quincey Underhill

Primary specialty

Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X

License

A179871 Issued in CA

Practice address

4320 Maricopa St
Torrance, CA 90503-4314

Phone

(310) 303-5900

NPI assigned

Mar 29, 2021

Sex

Male

Sole proprietor

Yes

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

Physical Medicine and Rehabilitation

Education

Virginia Commonwealth University, School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Providence Little Company of Mary Med Ctr Torrance Hospital, Torrance, CA, CCN 050353

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• David Underhill, MD Inc

  • Physical Medicine & Rehabilitation Physician
  • Torrance, CA
  • NPI 1740178458
  Medicare reassignment Authorized official

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

• Providence Health System Southern California

  • General Acute Care Hospital
  • Torrance, CA
  • NPI 1902844988
  Care Compare affiliation

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

{
    "created_epoch": "1616976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1962089458",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9131 OBSIDIAN DR",
            "city": "WESTMINSTER",
            "state": "CA",
            "postal_code": "926837333",
            "telephone_number": "714-234-1350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4320 MARICOPA ST",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905034314",
            "telephone_number": "310-303-5900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "UNDERHILL",
        "first_name": "DAVID",
        "middle_name": "QUINCEY",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-29",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "CA",
            "license": "A179871",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Marie-Therese Lozada Umali, REGISTERED NURSE
• Joshua Umeh
• Mark Stephen Umekubo, PHARM. D.
• Jerome Harold Unatin I, M.D.
• Steven Jay Underberger, M.D.
• Elizabeth Underhill
• Elizabeth Z Underhill, M.P.T.
• Jay S Underhill, M.P.T.
• Jeanne Underwood, PTA, ATC
• Sonika Ung

• Physical Medicine & Rehabilitation Physician in Torrance, CA
• Providers in Torrance, CA by specialty
• Physical Medicine & Rehabilitation Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 25, 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.