Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dennis A Dobrzynski, MD

Hematology & Oncology Physician in Butler, PA · enumerated 2006 · practices at Bhs Hvhs Multispecialty Group Inc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1942223144

Verified

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Registry record

Entity type Individual (Type 1)

Name Dennis A Dobrzynski

Credential MD

Sex Male

Practice address 129 Oneida Valley Rd, Butler, PA, 16001

Phone (724) 482-2717

Fax (724) 482-2769

Enumeration date Jul 26, 2006

Last updated in NPPES Oct 28, 2021

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 0101239089 (VA) Secondary

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License MD468908 (PA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
1133087	Other	-	US HEALTH CARE
188953	Other	-	ANTHEM HELATHKEEPERS
37380008	Other	-	BS DC
010236835	Medicaid	VA	-
4926236	Other	-	CIGNA
188953	Other	-	BC VA
37380008	Other	-	CAPITAL CARE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Dennis Dobrzynski?

The National Provider Identifier (NPI) for Dennis Dobrzynski is 1942223144, a Type 1 (individual) record in the CMS NPPES registry.

Where does Dennis Dobrzynski practice?

The practice location on file with NPPES is in Butler, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

M. Leonard Obstetrics & Gynecology Physician · Butler, PA NPI 1669473393 Kathy Selvaggi Hospice and Palliative Medicine (Physical Medicine & Rehabilitation) Physician · Butler, PA NPI 1265434781 Victor Nieto Surgery Physician · Butler, PA NPI 1679547996 Daniel Gagne Surgery Physician · Butler, PA NPI 1518974336 Anne Dobrzynski Obstetrics & Gynecology Physician · Butler, PA NPI 1114012382 Dillon Stein Hospice and Palliative Medicine (Internal Medicine) Physician · Butler, PA NPI 1538447776 Bhs Hvhs Multispecialty Group Inc Neurological Surgery Physician · Butler, PA NPI 1003287954 Tori Kilcoin Medical Physician Assistant · Butler, PA NPI 1497426910

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-10-28.