Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jeffrey T Gilsdorf, M.D.
Specialist in Frederick, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1477524486
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Registry record
Entity type Individual (Type 1)
Name Jeffrey T Gilsdorf
Credential M.D.
Sex Male
Practice address 86 Thomas Johnson Ct, Frederick, MD, 21702
Phone (301) 694-8311
Fax (301) 694-3537
Enumeration date Jan 28, 2006
Last updated in NPPES Jun 18, 2020
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Jeffrey Gilsdorf?
The National Provider Identifier (NPI) for Jeffrey Gilsdorf is 1477524486, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jeffrey Gilsdorf practice?
The practice location on file with NPPES is in Frederick, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michael Kennedy Surgical Physician Assistant · Frederick, MD NPI 1972599678 Rachael Tallerico Physical Therapist · Frederick, MD NPI 1376531145 Nisenfeld & Chilton, M.D., P.A. Specialist · Frederick, MD NPI 1588634570 Frank Nisenfeld Specialist · Frederick, MD NPI 1952371841 Mark Chilton Specialist · Frederick, MD NPI 1689644072 Kristin Silon Orthopaedic Surgery Physician · Frederick, MD NPI 1376513804 Neeti Bhargava Rheumatology Physician · Frederick, MD NPI 1588634018 Enrico Villanueva Specialist · Frederick, MD NPI 1376513812
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-06-18.