William F. Ryan, MD
Hematology & Oncology Physician · Selinsgrove, PA
William F. Ryan, MD is a hematology & oncology physician with a practice address in Selinsgrove, Pennsylvania, and NPI 1497715189, issued on Mar 25, 2006. Check the license (Pennsylvania MD484334, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- William F. Ryan
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD484334 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1575 N Old Trl, Selinsgrove, PA 17870
- Phone
- (570) 374-8555
- Enumerated
- Mar 25, 2006
- Record last updated
- Oct 2, 2025
- Fax
- (570) 374-9933
- Medicaid ID
- 0010076230004 PA
- Medicare enrollment
- Enrolled (PECOS I20110411000468); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1979
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Also registered at 1575 N Old Trl
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Dzikowski, PA-CPhysician Assistant1831536077
- Edward O'Brien, M.D.Medical Oncology Physician1205808276
- Venkataraman Rajagopalan, MDHematology & Oncology Physician1770554222
Verify William F. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD484334Check 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% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
847 Medicare Part D claims for 210 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Anastrozole108 claims
- Ondansetron Hcl63 claims
- Dexamethasone55 claims
- Eliquis50 claims
- Xtandi41 claims
- Letrozole38 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: $156.03
3 payments; by number, the most common kind was food and beverage; the largest payer was Exelixis 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.
Bills Medicare through one group practice
- Geisinger ClinicDanville, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William F. Ryan among 784 hematology & oncology physician records in Pennsylvania
William F. Ryan, MD is one of 784 hematology & oncology physician records with a practice address in Pennsylvania. 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1979 · median 2004 among the 553 with a school on file
- Record last updated2025 · 60% 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 Pennsylvania 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 Pennsylvania
There are 784 hematology & oncology physician records in Pennsylvania.
All 784 in Pennsylvania → Every provider in Selinsgrove → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Venkataraman Rajagopalan, MDSelinsgrove, PA 178701770554222
- Ross Rismiller, M.D.Pottsville, PA 179011780904276
- Satish Singla, M.D.Pottsville, PA 179011730186396
- Claudia Corona, M.D.Lewisburg, PA 178371912100405
- Obed AgyeiDanville, PA 178221659936474
- Jennifer Collins, MB, BCH, BAODanville, PA 178221407201601
- James Dolezal, MDDanville, PA 178221518450006
- Anna Griffith, M.D.Danville, PA 178221235526922
Common questions
What is William F. Ryan, MD's NPI number?
William F. Ryan, MD's National Provider Identifier (NPI) is 1497715189, issued on Mar 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William F. Ryan, MD located?
The NPPES record lists a practice address at 1575 N Old Trl, Selinsgrove, PA, 17870. Phone: (570) 374-8555. Providers update this record themselves, so call before visiting.
How can I verify William F. Ryan, MD's license?
NPPES lists Pennsylvania license number MD484334, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William F. Ryan, MD prescribe under Medicare Part D?
In 2024, William F. Ryan, MD had 847 Medicare Part D claims for 210 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.