Witold Boleslaw Rybka, MD
Hematology & Oncology Physician · Hershey, PA
Witold Boleslaw Rybka, MD is a hematology & oncology physician with a practice address in Hershey, Pennsylvania, and NPI 1881643047, issued on May 8, 2006. Check the license (Pennsylvania MD044968L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Witold Boleslaw Rybka
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- MD044968L PA
Self-reported in NPPES; status is on the state search - Practice location
- 500 University Dr, Hershey, PA 17033
- Phone
- (717) 531-6585
- Enumerated
- May 8, 2006
- Record last updated
- Mar 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (717) 531-5076
- Medicaid ID
- 0012574390003 PA
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Also registered at 500 University Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Witold Boleslaw Rybka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD044968LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $2,380.87
7 payments; by number, the most common kind was consulting fee; the largest payer was National Marrow Donor Program. 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.
Witold Boleslaw Rybka among 784 hematology & oncology physician records in Pennsylvania
Witold Boleslaw Rybka, 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 fileNo · 71% of these records are
- Record last updated2020 · 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).
48 hematology & oncology physician records list a practice address in Hershey
They are 48 of the 3,972 NPPES records with a practice address in Hershey, and 784 hematology & oncology physician records in Pennsylvania.
All 784 in Pennsylvania → Every provider in Hershey → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Hamid Al-Mondhiry, MDHershey, PA 170331053369561
- Salah Almokadem, MDHershey, PA 170331356399281
- Chandra Belani, MDHershey, PA 170331659343895
- David Claxton, MDHershey, PA 170331073562351
- Joseph Drabick, MDHershey, PA 170331104875871
- W. Christopher Ehmann, MDHershey, PA 170331912956160
- Elliot Epner, MDHershey, PA 170331083622559
- Harold Harvey, MDHershey, PA 170331265480990
Common questions
What is Witold Boleslaw Rybka, MD's NPI number?
Witold Boleslaw Rybka, MD's National Provider Identifier (NPI) is 1881643047, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Witold Boleslaw Rybka, MD located?
The NPPES record lists a practice address at 500 University Dr, Hershey, PA, 17033. Phone: (717) 531-6585. Providers update this record themselves, so call before visiting.
How can I verify Witold Boleslaw Rybka, MD's license?
NPPES lists Pennsylvania license number MD044968L, 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.
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.