John Philip Schwerkoske, MD

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

A136414 Issued in CA

Practice address

326 Santa Fe Dr Ste 105
Encinitas, CA 92024-5157

Phone

(760) 452-3340

NPI assigned

Jun 17, 2012

Last updated

Jul 7, 2026By the provider in NPPES

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

Creighton University School of Medicine, 2012

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

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

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: john.schwerkoske@sierrahemonc.ikm.direct-ci.com
• Direct secure messaging: john.schwerkoske@theoncologyinstitute.ikm.direct-ci.com

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.

• Starling Oncology Ca, a Professional Corporation

  dba Starling Oncology

  • Hematology & Oncology Physician
  • Downey, CA
  • NPI 1275651515
  Medicare reassignment Care Compare group NPD
• City of Hope Medical Foundation

  dba City of Hope Duarte

  • Hematology & Oncology Physician
  • Duarte, CA
  • NPI 1871886366
  Medicare reassignment NPD
• Starling Oncology Ca, a Professional Corporation

  dba Starling Oncology

  • Hematology & Oncology Physician
  • Las Vegas, NV
  • NPI 1225514508
  NPD
• California Cancer Associates for Research and Excellence Inc

  dba Ccare

  • Hematology & Oncology Physician
  • Fresno, CA
  • NPI 1083661607
  NPD (past)

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

{
    "created_epoch": "1339891200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1912260829",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 4062",
            "city": "ALAMEDA",
            "state": "CA",
            "postal_code": "945010401",
            "telephone_number": "559-326-1222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "326 SANTA FE DR STE 105",
            "city": "ENCINITAS",
            "state": "CA",
            "postal_code": "920245157",
            "telephone_number": "760-452-3340"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "16918 Dove Canyon Rd Ste 103",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921273455",
            "country_code": "US",
            "telephone_number": "858-649-5100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "9850 Genesee Ave Ste 560",
            "address_purpose": "LOCATION",
            "city": "LA Jolla",
            "state": "CA",
            "postal_code": "920371229",
            "country_code": "US",
            "telephone_number": "858-552-1410",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "28078 Baxter Rd Ste 140",
            "address_purpose": "LOCATION",
            "city": "Murrieta",
            "state": "CA",
            "postal_code": "925631403",
            "country_code": "US",
            "telephone_number": "760-733-9191",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "838 Nordahl Rd Ste 300",
            "address_purpose": "LOCATION",
            "city": "San Marcos",
            "state": "CA",
            "postal_code": "920693599",
            "country_code": "US",
            "telephone_number": "760-747-8935",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "959 LANE AVE STE 100 BLDG B",
            "address_purpose": "LOCATION",
            "city": "Chula Vista",
            "state": "CA",
            "postal_code": "919144519",
            "country_code": "US",
            "telephone_number": "619-329-5571",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SCHWERKOSKE",
        "first_name": "JOHN",
        "middle_name": "PHILIP",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-17",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A136414",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ashley Brynn Schrage, NP-C
• Jennifer Schreckengaust, DPT
• Kurt Martin Schubert, D.D.S.
• Kellie Elise Schueler, MD
• Martin Craig Schulman, M.D.
• Scott a Eisman MD Inc (Coastal Pulmonary Associates)
• Scott M. Jordan, DDS, Inc
• Scott Mercer, MD, Inc
• Kim Laurie Scott, HHP-MASSAGE THERAPIS
• Melissa Scott, MD

• Hematology & Oncology Physician in Encinitas, CA
• Providers in Encinitas, 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 Jul 7, 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.