Dennis A. Dobrzynski, MD
Hematology & Oncology Physician · Butler, PA
Dennis A. Dobrzynski, MD is a hematology & oncology physician with a practice address in Butler, Pennsylvania, and NPI 1942223144, issued on Jul 26, 2006. Check the license (Pennsylvania MD468908, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Dennis A. Dobrzynski
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- MD468908 PA
0101239089 VA
Self-reported in NPPES; status is on the state search - Practice location
- 129 Oneida Valley RD, Butler, PA 16001
- Phone
- (724) 482-2717
- Enumerated
- Jul 26, 2006
- Record last updated
- Oct 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (724) 482-2769
- Medicaid ID
- 010236835 VA
- Medicare enrollment
- Enrolled (PECOS I20191211000411); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 784 in Pennsylvania → Look up another NPI →
Also registered at 129 Oneida Valley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexander AltmirePhysician Assistant1225851462
- Anne Dobrzynski, M.D.Obstetrics & Gynecology Physician1114012382
- Daniel Gagne, M.D.Surgery Physician1518974336
- Tori Kilcoin, PA-CMedical Physician Assistant1497426910
- M. Leonard, DOObstetrics & Gynecology Physician1669473393
- Victor Nieto, MDSurgery Physician1679547996
Verify Dennis A. Dobrzynski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD468908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average hematology & oncology physician in 2024
967 Medicare Part D claims for 195 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 33 claims were for opioids.
Most prescribed
- Anastrozole166 claims
- Prednisone81 claims
- Abiraterone Acetate80 claims
- Eliquis71 claims
- Hydroxyurea66 claims
- Dexamethasone62 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: $792.44
47 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
- Oncology Hematology Association IncButler, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis A. Dobrzynski among 784 hematology & oncology physician records in Pennsylvania
Dennis A. Dobrzynski, 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
- Graduated1999 · median 2004 among the 553 with a school on file
- Record last updated2021 · 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 Butler → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mariya Apostolova, MDButler, PA 160011649408477
- Rushir Choksi, MDButler, PA 160011851553663
- Bushra Haq, MDButler, PA 160011780827857
- Katherine Miller, DOButler, PA 160011942654561
- Neeta Pathe, MDButler, PA 160011922384049
- Sigurdur Petursson, MDButler, PA 160011467454983
- Richard White, DOButler, PA 160011811429137
- Melissa CyrLyndora, PA 160451780686212
Common questions
What is Dennis A. Dobrzynski, MD's NPI number?
Dennis A. Dobrzynski, MD's National Provider Identifier (NPI) is 1942223144, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis A. Dobrzynski, MD located?
The NPPES record lists a practice address at 129 Oneida Valley RD, Butler, PA, 16001. Phone: (724) 482-2717. Providers update this record themselves, so call before visiting.
How can I verify Dennis A. Dobrzynski, MD's license?
NPPES lists Pennsylvania license number MD468908, 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 Dennis A. Dobrzynski, MD prescribe under Medicare Part D?
In 2024, Dennis A. Dobrzynski, MD had 967 Medicare Part D claims for 195 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.