John Philip Schwerkoske, MD
Hematology & Oncology Physician · Encinitas, CA
John Philip Schwerkoske, MD is a hematology & oncology physician with a practice address in Encinitas, California, and NPI 1912260829, issued on Jun 17, 2012. Check the license (California A136414, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Philip Schwerkoske
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A136414 CA
Self-reported in NPPES; status is on the state search - Practice location
- 326 Santa FE Dr Ste 105, Encinitas, CA 92024
- Phone
- (760) 452-3340
- Enumerated
- Jun 17, 2012
- Record last updated
- Jul 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20180824001091); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 326 Santa FE Dr Ste 105
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alberto Bessudo, M.D.Hematology & Oncology Physician1003888074
- Laurie Frakes, M.D.Hematology & Oncology Physician1174595144
- Barbara Mae Madriaga, FNPFamily Nurse Practitioner1912659442
- Marti Willey, N.P.Nurse Practitioner1144574062
Verify John Philip Schwerkoske in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A136414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,716 Medicare Part D claims for 342 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 77 claims were for opioids.
Most prescribed
- Anastrozole220 claims
- Letrozole113 claims
- Alendronate Sodium66 claims
- Famotidine54 claims
- Ondansetron Hcl51 claims
- Hydroxyurea44 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $4,263.92
167 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Oncology Institute CA, A Professional CorporationVista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Philip Schwerkoske among 1,583 hematology & oncology physician records in California
John Philip Schwerkoske, MD is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 75% of them.
- NPI issued2012 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2012 · median 2003 among the 1,124 with a school on file
- Record last updated2026 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Encinitas → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Alberto Bessudo, M.D.Encinitas, CA 920241003888074
- Anjali Bharne, M.DEncinitas, CA 920241053519280
- Rae Felthouse, M.D.Encinitas, CA 920241316032113
- Laurie Frakes, M.D.Encinitas, CA 920241174595144
- Mina Nikanjam, MD PHDEncinitas, CA 920241073888657
- Jeng-Hsien Chen, M.D.Escondido, CA 920251457464117
- Dawn Elders, NPEscondido, CA 920251891875860
- Michael Kosmo, MDEscondido, CA 920251891742847
Common questions
What is John Philip Schwerkoske, MD's NPI number?
John Philip Schwerkoske, MD's National Provider Identifier (NPI) is 1912260829, issued on Jun 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is John Philip Schwerkoske, MD located?
The NPPES record lists a practice address at 326 Santa FE Dr Ste 105, Encinitas, CA, 92024. Phone: (760) 452-3340. Providers update this record themselves, so call before visiting.
How can I verify John Philip Schwerkoske, MD's license?
NPPES lists California license number A136414, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Philip Schwerkoske, MD prescribe under Medicare Part D?
In 2024, John Philip Schwerkoske, MD had 1,716 Medicare Part D claims for 342 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.