John Paul Encarnacion Flores, M.D.
Hematology & Oncology Physician · Seattle, WA
John Paul Encarnacion Flores, M.D. is a hematology & oncology physician with a practice address in Seattle, Washington, and NPI 1558598110, issued on Jun 22, 2009. Check the license (Washington MD60652275, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- John Paul Encarnacion Flores
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD60652275 WA
241191 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-6193
- Enumerated
- Jun 22, 2009
- Record last updated
- Sep 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (206) 223-6914
- Medicare enrollment
- Enrolled (PECOS I20160608001797); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 2009
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 476 in Washington → Look up another NPI →
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barry Aaronson, MDHospitalist Physician1952418345
- David Aboulafia, MDHematology & Oncology Physician1043269392
- Deborah Abrams, M.D.Hematology & Oncology Physician1902974835
- Alvin Aceron, ARNPAdult Health Nurse Practitioner1639488562
- Ream AdeebAdult Health Nurse Practitioner1760868855
- Steven Adler, MDDiagnostic Ultrasound Physician1639108046
Verify John Paul Encarnacion Flores in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60652275Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average hematology & oncology physician in 2024
2,605 Medicare Part D claims for 334 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 139 claims were for opioids.
Most prescribed
- Prednisone426 claims
- Abiraterone Acetate368 claims
- Tamsulosin Hcl148 claims
- Gabapentin132 claims
- Xtandi96 claims
- Dexamethasone85 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: $97.68
1 payment: food and beverage; the largest payer was Galvanize Therapeutics, Inc. 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.
One hospital affiliation
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Paul Encarnacion Flores among 476 hematology & oncology physician records in Washington
John Paul Encarnacion Flores, M.D. is one of 476 hematology & oncology physician records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 44% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2009 · median 2006 among the 294 with a school on file
- Record last updated2016 · 62% 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 Washington 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 Washington
There are 476 hematology & oncology physician records in Washington.
All 476 in Washington → Every provider in Seattle → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- David Aboulafia, MDSeattle, WA 981011043269392
- Deborah Abrams, M.D.Seattle, WA 981011902974835
- Kimberly Esham, M.D.Seattle, WA 981011992026785
- Andrew Jacobs, MDSeattle, WA 981011043321094
- Rebecca Kruse-Jarres, M.D.Seattle, WA 981011720171937
- Jessica Lee, D.O.Seattle, WA 981011013312966
- Shih-Li Lin, M.D.Seattle, WA 981011912100371
- Thomas Malpass, MDSeattle, WA 981011851309942
Common questions
What is John Paul Encarnacion Flores, M.D.'s NPI number?
John Paul Encarnacion Flores, M.D.'s National Provider Identifier (NPI) is 1558598110, issued on Jun 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John Paul Encarnacion Flores, M.D. located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-6193. Providers update this record themselves, so call before visiting.
How can I verify John Paul Encarnacion Flores, M.D.'s license?
NPPES lists Washington license number MD60652275, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Paul Encarnacion Flores, M.D. prescribe under Medicare Part D?
In 2024, John Paul Encarnacion Flores, M.D. had 2,605 Medicare Part D claims for 334 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.