Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Eugene Muchnik, M.D.

Medical Oncology Physician in Williamsport, PA · enumerated 2011.

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

National Provider Identifier

1811286024

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Registry record

Entity type Individual (Type 1)

Name Eugene Muchnik

Credential M.D.

Sex Male

Practice address 1100 Grampian Blvd, Williamsport, PA, 17701

Phone (570) 326-8470

Enumeration date Mar 29, 2011

Last updated in NPPES Oct 7, 2020

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 267892 (NY) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 267892 (NY) Secondary

207RX0202X Medical Oncology Physician Allopathic & Osteopathic Physicians · License MD457823 (PA) Primary

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

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 → Validate an NPI →

Frequently asked questions

What is the NPI number for Eugene Muchnik?

The National Provider Identifier (NPI) for Eugene Muchnik is 1811286024, a Type 1 (individual) record in the CMS NPPES registry.

Where does Eugene Muchnik practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-07.