John Rowe Hallsten, MD

Primary specialty

Vascular Surgery PhysicianTaxonomy code 2086S0129X

License

A199281 Issued in CA

Practice address

9500 Gilman Dr
La Jolla, CA 92093-5004

Phone

(858) 657-7404

NPI assigned

Apr 19, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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

{
    "created_epoch": "1618790400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1821679077",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3721 BALBOA TER UNIT A",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921175470",
            "telephone_number": "916-915-2226"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9500 GILMAN DR",
            "city": "LA JOLLA",
            "state": "CA",
            "postal_code": "920935004",
            "telephone_number": "858-657-7404"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8860 Center Dr Ste 450",
            "address_purpose": "LOCATION",
            "city": "LA Mesa",
            "state": "CA",
            "postal_code": "919427001",
            "country_code": "US",
            "telephone_number": "619-460-6200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HALLSTEN",
        "first_name": "JOHN",
        "middle_name": "ROWE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-19",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "CA",
            "license": "A199281",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathleen Marie Haley, NP
• Ann-Marie Hall-Fiske, BS, MED., PT
• Frank W. Hall, M.D.
• Halliday Dental Corporation
• Jenifer M Hallock, MBA, LAC
• William Sickles Halsey III, M.D.
• Kenneth Nicholas Halter II, PA-C
• Jeremy-Ann Guzman Ham, MD
• Ayad Hamdan, M.D.
• Merlin J Hamer, M.D.

• Vascular Surgery Physician in La Jolla, CA
• Providers in La Jolla, CA by specialty
• Vascular Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.