Dr. Robert Herbert Fredrickson, DDS

Dr. Robert Herbert Fredrickson is a General Practice Dentistry provider (Dentist) practicing in Williamsport, PA, registered in the NPPES registry with NPI 1508907809 since 2007. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum

NPI	1508907809
Entity type	Individual (Type 1)
Name	Dr. Robert Herbert Fredrickson
Credential	DDS
Sex	Male
Practice address	1124 MARKET ST, Williamsport, PA, 17701
Phone	5703266170
Enumeration date	2007-02-09
Last updated in NPPES	2007-07-08

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
1223G0001X	General Practice Dentistry	Primary	DS017415L	PA

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details

Provider: Robert Fredrickson, DDS
NPI: 1508907809
Taxonomy: 1223G0001X (General Practice Dentistry)
Address: 1124 MARKET ST, Williamsport, PA, 17701

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1386020170	Robert Herbert Fredrickson	Organization	Dentist	Williamsport, PA
1700391315	Suzanne Yerger	Individual	Chiropractor	Williamsport, PA
1912857251	Ascend Wellness Center	Organization	Chiropractor	Williamsport, PA

Verify this record

Cross-check NPI 1508907809 against the authoritative CMS record: view Dr. Robert Herbert Fredrickson on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Robert Fredrickson?

Robert Fredrickson is registered in NPPES with the primary taxonomy of General Practice Dentistry. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-07-08.