Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Douglas Jackson, MD

Radiation Oncology Physician in Johnstown, PA · enumerated 2024.

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

National Provider Identifier

1083479612

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Registry record

Entity type Individual (Type 1)

Name Douglas Jackson

Credential MD

Sex Male

Practice address 337 Somerset St, Johnstown, PA, 15901

Phone (814) 533-0106

Enumeration date Feb 13, 2024

Last updated in NPPES Oct 28, 2025

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License MD034616E (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 Douglas Jackson?

The National Provider Identifier (NPI) for Douglas Jackson is 1083479612, a Type 1 (individual) record in the CMS NPPES registry.

Where does Douglas Jackson practice?

The practice location on file with NPPES is in Johnstown, 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 2025-10-28.