John Larson, M.D.

Primary specialty

Plastic Surgery PhysicianTaxonomy code 208200000X

License

142514 Issued in CA

Practice address

4440 Von Karman Ave Ste 150
Newport Beach, CA 92660-2087

Phone

(949) 688-7733

Fax

(949) 688-7733

NPI assigned

Jan 29, 2016

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

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/9170/brand/1/csg/1/fhir/r4
• Direct secure messaging: jlarson750720@direct.memorialcare.org

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.

• United Medical Doctors

  • Gastroenterology Physician
  • Murrieta, CA
  • NPI 1770559981
  Medicare reassignment NPD
• John Larson Plastic Surgery, Inc

  • Plastic Surgery Physician
  • Newport Beach, CA
  • NPI 1639948094
  NPD Authorized official
• United Medical Doctors

  • Orthopaedic Surgery Physician
  • San Diego, CA
  • NPI 1194554675
  NPD

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

{
    "created_epoch": "1454025600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1275991697",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4440 VON KARMAN AVE STE 150",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926602087",
            "telephone_number": "949-688-7733",
            "fax_number": "949-688-7733"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4440 VON KARMAN AVE STE 150",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926602087",
            "telephone_number": "949-688-7733",
            "fax_number": "949-688-7733"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSON",
        "first_name": "JOHN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-01-29",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208200000X",
            "taxonomy_group": "",
            "desc": "Plastic Surgery",
            "state": "CA",
            "license": "142514",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Larry S Nichter MD & Jed H Horowitz MD (Pacific Center for Plastic Surgery)
• Asal Larry, MFT
• Rose Ann Larsen, L.AC.
• Sarah Nasser Larsen, MED. ,LPC,LPCC
• Garrett Larson
• Scott Wesley Larson, PH.D.
• Laser Eye Care of California, LLC (TLC Laser Eye Centers Newport Beach)
• Laurel Ann Lass, LCSW
• Jessica Lauren Latin, AMFT
• Jeffrey Scott Lauber, MD

• Plastic Surgery Physician in Newport Beach, CA
• Providers in Newport Beach, CA by specialty
• Plastic Surgery Physician in California

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