Christopher Larson, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

A116171 Issued in CA

Practice address

200 W Arbor Dr
San Diego, CA 92103-9000

Phone

(800) 926-8273

NPI assigned

Jul 30, 2009

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

Specialty

Hematology/Oncology

Education

University of Texas Southwestern Medical School at Dallas, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Regents of the University of CaliforniaGroup PAC ID 3577476761, 2,047 clinicians

The Oncology Institute Ca, a Professional CorporationGroup PAC ID 5698872398, 114 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UC San Diego Health Hillcrest - Hillcrest Med Ctr Hospital, San Diego, CA, CCN 050025

Merit-based Incentive Payment System (MIPS)

Final score

90.77 of 100Reported as group

Quality

84.13

Promoting interoperability

100

Improvement activities

40

Cost

73.88

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Regents of the University of California

  • Pain Medicine (Anesthesiology) Physician
  • San Diego, CA
  • NPI 1376646869
  Medicare reassignment Care Compare group NPD
• The Oncology Institute Ca, a Professional Corporation

  • Hematology & Oncology Physician
  • Downey, CA
  • NPI 1275651515
  Medicare reassignment Care Compare group
• Regents of the University of California

  • Internal Medicine Physician
  • San Diego, CA
  • NPI 1508968751

  Hematology & Oncology

  NPD
• Regents of the University of California

  • Diagnostic Radiology Physician
  • San Diego, CA
  • NPI 1558463927
  NPD
• Regents of the University of California

  • Pharmacy
  • San Diego, CA
  • NPI 1598786576
  NPD (past)
• Regents of the University of California Ucsd Head and Neck Surgery

  • Otolaryngology Physician
  • San Diego, CA
  • NPI 1679509962
  NPD (past)

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

• Regents of the University of California

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1184722779
  Care Compare affiliation

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

{
    "created_epoch": "1248912000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762992000000",
    "number": "1558592121",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "FILE 57326",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900747326",
            "telephone_number": "800-926-8273"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 W ARBOR DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921039000",
            "telephone_number": "800-926-8273"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9500 Gilman Dr",
            "address_2": "Leichtag Building, Suite 380",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920930671",
            "country_code": "US",
            "telephone_number": "619-543-3692",
            "fax_number": "619-543-6529",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LARSON",
        "first_name": "CHRISTOPHER",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-07-30",
        "last_updated": "2025-11-13",
        "certification_date": "2025-11-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A116171",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jennifer Ann Larsen
• Michael Larsen
• Samuel Larsen
• Saturnina Larsen
• Steven Ray Larsen, O.D.
• Christopher Riley Larson
• Courtney Jeanne Larson
• Craig R Larson
• Derek Thomas Larson, D.O.
• Garth Larson

• Hematology & Oncology Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 13, 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.