Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Jonathan Gusdorff, D.O.

Diagnostic Radiology Physician in Havertown, PA · enumerated 2005.

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

National Provider Identifier

1891792255

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Registry record

Entity type Individual (Type 1)

Name Dr. Jonathan Gusdorff

Credential D.O.

Sex Male

Practice address Havertown, PA, 19083

Phone (610) 482-4949

Fax (610) 482-4950

Enumeration date Jun 30, 2005

Last updated in NPPES Nov 21, 2019

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2085N0700X Neuroradiology Physician Allopathic & Osteopathic Physicians · License 02005865A (IN) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License 4519 (OK) Secondary

174400000X Specialist Other Service Providers · License OS010370L (PA) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License OS010370L (PA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier	Type	State	Issuer
200114580A	Medicaid	OK	-

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

Where does Jonathan Gusdorff practice?

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

What is the NPI number for Jonathan Gusdorff?

The National Provider Identifier (NPI) for Jonathan Gusdorff is 1891792255, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-11-21.