Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William John Colliver, D.D.S.
Dentist in Frederick, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1467464024
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Registry record
Entity type Individual (Type 1)
Name Dr. William John Colliver
Credential D.D.S.
Sex Male
Practice address 2090 Old Farm Dr, Ste. B, Frederick, MD, 21702
Phone (301) 662-5914
Fax (301) 662-7340
Enumeration date Aug 12, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees.
About the DDS 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 William Colliver?
The National Provider Identifier (NPI) for William Colliver is 1467464024, a Type 1 (individual) record in the CMS NPPES registry.
Where does William Colliver 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 → Marcie Bidinger Dentist · Frederick, MD NPI 1518979004 Colliver Dental Group, P.A. General Practice Dentistry · Frederick, MD NPI 1013061563 Marty Askari General Practice Dentistry · Frederick, MD NPI 1740328376 Stanley J Robison DDS Ms PA Orthodontics and Dentofacial Orthopedics Dentistry · Frederick, MD NPI 1073640793
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.