Matthew Kevin Walsworth, MD

Primary specialty

Diagnostic Radiology PhysicianTaxonomy code 2085R0202X

License

A119553 Issued in CA

Practice address

227 Madison St
New York, NY 10002-7537

Phone

(212) 238-7000

NPI assigned

Jun 29, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 1

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

Diagnostic Radiology

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lambert Radiology Medical Group IncGroup PAC ID 8224032271, 68 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Pih Health Good Samaritan Hospital Hospital, Los Angeles, CA, CCN 050471
• Pih Health Hospital-Whittier Hospital, Whittier, CA, CCN 050169
• Pih Health Downey Hospital Hospital, Downey, CA, CCN 050393

Merit-based Incentive Payment System (MIPS)

Final score

92.22 of 100Reported as group

Quality

78.14

Improvement activities

40

Cost

80.82

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Lambert Radiology Medical Group, Inc

  • Diagnostic Radiology Physician
  • Whittier, CA
  • NPI 1609826684
  Medicare reassignment Care Compare group NPD
• Pih Health Physicians

  • Family Medicine Physician
  • Whittier, CA
  • NPI 1588829006
  NPD
• Regents Univ of Calif Los Angeles

  • Psychiatric Hospital
  • Los Angeles, CA
  • NPI 1952308363
  NPD (past)
• UCLA Radiology Medical Group

  • Diagnostic Radiology Physician
  • Los Angeles, CA
  • NPI 1881670248
  NPD (past)

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

• Pih Health Downey Hospital

  • General Acute Care Hospital
  • Downey, CA
  • NPI 1265433551
  Care Compare affiliation
• Pih Health Good Samaritan Hospital

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1508859323
  Care Compare affiliation
• Pih Health Whittier Hospital

  • General Acute Care Hospital
  • Whittier, CA
  • NPI 1043215379
  Care Compare affiliation

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

{
    "created_epoch": "1183075200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788566400000",
    "number": "1083811467",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "615 KINGMAN AVE",
            "city": "SANTA MONICA",
            "state": "CA",
            "postal_code": "904021333",
            "telephone_number": "310-301-6800"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "227 MADISON ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100027537",
            "telephone_number": "212-238-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALSWORTH",
        "first_name": "MATTHEW",
        "middle_name": "KEVIN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-06-29",
        "last_updated": "2026-09-05",
        "certification_date": "2026-09-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A119553",
            "primary": true
        },
        {
            "code": "2085R0204X",
            "taxonomy_group": "",
            "desc": "Radiology, Vascular & Interventional Radiology",
            "state": "CA",
            "license": "A119553",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "NY",
            "license": "347323",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0A1195530",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Theresa L Walsh, LMFT
• Thom Walsh, PT
• Thomas J Walsh, M.D.
• Tiffany C. V. Walsh
• Christy Walshe
• Walter I Delph MD PC
• Walter Mizell Incorporate
• Barbara Walter, N.P.
• Elizabeth Walter
• Erin Elizabeth Walter, PA-C

• Diagnostic Radiology Physician in New York, NY
• Providers in New York, NY by specialty
• Diagnostic Radiology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 5, 2026; 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.