Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Rebecca G. Pennell, M.D.

Diagnostic Radiology Physician in Lancaster, PA · enumerated 2005.

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

National Provider Identifier

1639172703

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Registry record

Entity type Individual (Type 1)

Name Dr. Rebecca G. Pennell

Credential M.D.

Sex Female

Practice address 555 N Duke St, Lancaster, PA, 17602

Phone (717) 394-6028

Fax (717) 394-9223

Enumeration date May 23, 2005

Last updated in NPPES Jun 19, 2020

Taxonomy & licenses

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License MD026373E (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
430969YYY	Other	PA	MEDICARE PTAN
231855378	Other	PA	TAX ID - LANC RADIOLOGY
23-3102793	Other	PA	TAX ID - LANCASTER PET IMAGING
300047049	Other	PA	RAILROAD MEDICARE
33-1011386	Other	PA	TAX ID - MRI GROUP

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

Is NPI 1639172703 active?

Yes, as of the latest NPPES snapshot, NPI 1639172703 is active (record last updated 2020-06-19).

How do I verify Rebecca Pennell's NPI record?

Cross-check NPI 1639172703 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-19.