John F. Orosz, MD
John F. Orosz is a Anatomic Pathology & Clinical Pathology Physician provider (Pathology) practicing in Dunkirk, NY, registered in the NPPES registry with NPI 1770558421 since 2006. The credential MD stands for Doctor of Medicine.
✓ Active NPI ✓ Valid NPI checksum Sole proprietor
| NPI | 1770558421 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | John F. Orosz |
| Credential | MD |
| Sex | Male |
| Practice address | Dunkirk, NY, 14048 |
| Phone | 7163633911 |
| Fax | 7163633918 |
| Enumeration date | 2006-02-17 |
| Last updated in NPPES | 2007-08-07 |
Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 207ZP0102X | Anatomic Pathology & Clinical Pathology Physician | Primary | 186287-1 | NY |
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 |
|---|---|---|---|
| 02359942 | Medicaid | NY | — |
Copy-ready billing details
Provider: John Orosz, MD NPI: 1770558421 Taxonomy: 207ZP0102X (Anatomic Pathology & Clinical Pathology Physician) Address: Dunkirk, NY, 14048
Other providers at this practice address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1215919857 | Gregory Difrancesco | Individual | Emergency Medicine Physician | Dunkirk, NY |
| 1215917224 | Brooks - Tlc Hospital System, Inc. | Organization | General Acute Care Hospital | Dunkirk, NY |
| 1609846948 | Brooks Memorial Hospital | Organization | End-Stage Renal Disease (ESRD) Treatment Clinic/Center | Dunkirk, NY |
| 1043286602 | Shakeel Ahmad | Individual | Internal Medicine Physician | Dunkirk, NY |
| 1184665382 | Thomas Olejniczak | Individual | Certified Registered Nurse Anesthetist | Dunkirk, NY |
| 1295766913 | Edward Mchugh | Individual | Certified Registered Nurse Anesthetist | Dunkirk, NY |
| 1063527380 | Lori Michael | Individual | Emergency Medicine Physician | Dunkirk, NY |
| 1366556979 | Don Collure | Individual | Emergency Medicine Physician | Dunkirk, NY |
Verify this record
Cross-check NPI 1770558421 against the authoritative CMS record: view John F. Orosz on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
Is NPI 1770558421 active?
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-08-07.