Luke Karl, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

A200254 Issued in CA

Practice address

751 S Bascom Ave
San Jose, CA 95128-2604

Phone

(408) 885-5000

NPI assigned

Apr 8, 2021

Sex

Male

Sole proprietor

Yes

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

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

Anesthesiology

Education

Georgetown University School of Medicine, 2021

Medicare assignment

May accept Medicare assignment

Group practices

Cep America - Anesthesia PCGroup PAC ID 3678897915, 849 clinicians

John Muir Trauma Physicians Billing ServiceGroup PAC ID 3476542515, 111 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• John Muir Medical Center - Concord Campus Hospital, Concord, CA, CCN 050496
• John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Cep America - Anesthesia, PC

  • Anesthesiology Physician
  • Walnut Creek, CA
  • NPI 1790401438
  Medicare reassignment Care Compare group NPD
• John Muir Trauma Physicians Billing Service

  • Hospitalist Physician
  • Walnut Creek, CA
  • NPI 1093864837
  Medicare reassignment Care Compare group
• Cep America - Anesthesia PC

  • Anesthesiology Physician
  • Palo Alto, CA
  • NPI 1588023949
  NPD
• John Muir Trauma Physicians Billing Service

  • Trauma Surgery Physician
  • Walnut Creek, CA
  • NPI 1962551861

  Anesthesiology

  NPD
• Cep America - Anesthesia PC

  • Anesthesiology Physician
  • Langhorne, PA
  • NPI 1093678229
  NPD

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

• John Muir Health

  dba John Muir Health, Walnut Creek Medical Center

  • General Acute Care Hospital
  • Walnut Creek, CA
  • NPI 1740215219
  Care Compare affiliation
• John Muir Health

  dba John Muir Health Medical Center, Concord Campus

  • General Acute Care Hospital
  • Concord, CA
  • NPI 1801821376
  Care Compare affiliation

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

{
    "created_epoch": "1617840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758153600000",
    "number": "1407436058",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "751 S BASCOM AVE",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951282604",
            "telephone_number": "408-885-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "751 S BASCOM AVE",
            "city": "SAN JOSE",
            "state": "CA",
            "postal_code": "951282604",
            "telephone_number": "408-885-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARL",
        "first_name": "LUKE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-04-08",
        "last_updated": "2025-09-18",
        "certification_date": "2025-09-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A200254",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joel Karintholil
• Silpa Karipineni, MD
• Ranu Karki
• Karl G Lum Jr DDS and Robert M Lum, DDS, Inc (Brilliant Smiles Family Dental Care)
• Karl P. Nguyen, M.D., Inc (South Bay Imaging Center)
• Rajoota Karmarkar, D.D.S.
• Anna Maria Magdalena Karnes
• Stephen Andrew Karney, MA, BCBA
• Leah Karraker, HIS
• Sravanthi Karumanchi, M.A., CCC-SLP, ATACP

• Anesthesiology Physician in San Jose, CA
• Providers in San Jose, CA by specialty
• Anesthesiology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 18, 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.