Individual Healthcare Provider
John Philip Schwerkoske, MD
Provider's NPPES record last updated: July 7, 2026
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1912260829
- Primary Specialty
- Internal Medicine — Hematology & Oncology
- Practice Location
- Encinitas, California
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 19, 2026, 12:33 AM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Internal Medicine
Hematology & Oncology
Allopathic & Osteopathic Physicians
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Taxonomy code 207RH0003X
Provider-Reported License Information
- Internal Medicine (California)
- A136414
Practice Locations
Practice Location
326 Santa Fe Dr Ste 105
Encinitas, California 92024-5157
Phone: (760) 452-3340
Additional Practice Location
28078 Baxter Rd Ste 140
Murrieta, California 92563-1403
Phone: (760) 733-9191
Additional Practice Location
959 Lane Ave Ste 100 Bldg B
Chula Vista, California 91914-4519
Phone: (619) 329-5571
Additional Practice Location
9850 Genesee Ave Ste 560
La Jolla, California 92037-1229
Phone: (858) 552-1410
Additional Practice Location
16918 Dove Canyon Rd Ste 103
San Diego, California 92127-3455
Phone: (858) 649-5100
Additional Practice Location
838 Nordahl Rd Ste 300
San Marcos, California 92069-3599
Phone: (760) 747-8935
Record Information
- Enumeration Date
- June 17, 2012
- Provider's NPPES Record Last Updated
- July 7, 2026
- Certification Date
- July 7, 2026
- NPISignal NPPES Dataset
- August 2026
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