Individual provider Active NPI

Michael Jonathan Worsey, MD

  • Colon & Rectal Surgery Physician
  • La Jolla, CA
National Provider Identifier
1629091145
Registry record updated Jul 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X
License
A069016 Issued in CA
Practice address
9834 Genesee Ave
201
La Jolla, CA 92037-1223
Phone
(858) 558-2272
Fax
(858) 558-2285
NPI assigned
Jul 25, 2006
Last updated
Jul 10, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X A069016 CA
Colon & Rectal Surgery Physician 208C00000X A069016 CA Primary

Addresses

Primary practice location

9834 Genesee Ave
201
La Jolla, CA 92037-1223

Mailing address

10790 Rancho Bernardo Rd
San Diego, CA 92127-5705
Phone (858) 558-2272

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20100316000070 CA Practitioner - Colorectal Surgery (Proctology)Practitioner - General Surgery 8921016809 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Colorectal Surgery (Proctology)Also: General Surgery
Education
Other, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Scripps HealthGroup PAC ID 9234033853, 1,450 clinicians

Practice addresses (Care Compare)

9834 Genesee Ave
La Jolla, CA 92037-1223
Phone (858) 626-5546

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy97
Removal of tissue1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A069016CAMDColon & Rectal Surgery Physician
69016CAMDMassage Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Scripps Health Current Accepting new patients
Emergency and Acute Care Medical Corporation CurrentSince May 21, 2012 Accepting new patients
Scripps Health Current Accepting new patients
Scripps Health CurrentSince Jul 21, 2025 Accepting new patients
Scripps Health Current Accepting new patients
Scripps Health CurrentSince Jul 21, 2025 Accepting new patients

Locations

9834 Genesee Ave
La Jolla, CA 92037
Phone (858) 452-5020

9834 Genesee Ave
Ste 201
La Jolla, CA 92037
Phone (858) 558-2272

9850 Genesee Ave
Ste 640
La Jolla, CA 92037
Phone (858) 558-2272

9888 Genesee Ave
La Jolla, CA 92037
Phone (858) 457-4123

File 54433
Los Angeles, CA 90074
Phone (858) 784-5645

10790 Rancho Bernardo Rd
San Diego, CA 92127
Phone (858) 554-2626

7901 Frost St
San Diego, CA 92123
Phone (619) 541-3400

Interoperability endpoints

  • Direct secure messaging: mworsey37310@scrippshlth.medalliesdirect.net

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1153785600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752105600000",
    "number": "1629091145",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10790 RANCHO BERNARDO RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921275705",
            "telephone_number": "858-558-2272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9834 GENESEE AVE",
            "address_2": "201",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "920371223",
            "telephone_number": "858-558-2272",
            "fax_number": "858-558-2285"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WORSEY",
        "first_name": "MICHAEL",
        "middle_name": "JONATHAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-25",
        "last_updated": "2025-07-10",
        "certification_date": "2025-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "A069016",
            "primary": false
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "CA",
            "license": "A069016",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in La Jolla, CA

Sources for this page

Verify at the official NPI Registry.