Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William E Molloy, DDS MS
Dentist in Rochester Hills, MI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659342707
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Registry record
Entity type Individual (Type 1)
Name Dr. William E Molloy
Credential DDS MS
Sex Male
Practice address 930 W Avon Rd, Ste 16, Rochester Hills, MI, 48307
Phone (248) 652-1244
Fax (248) 652-2135
Enumeration date Jan 27, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
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
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 William Molloy?
William Molloy is registered in NPPES with the primary taxonomy of Dentist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → Michael Weiss Gynecology Physician · Rochester Hills, MI NPI 1376596726 Janjsik William Chung Pediatric Adolescent Medicine Physician · Rochester Hills, MI NPI 1255494100 Thomas Warner Dentist · Rochester Hills, MI NPI 1023137718 Michael D. Weiss, D.O., P.C. Obstetrics & Gynecology Physician · Rochester Hills, MI NPI 1467627687 Pediatric Associates of Rochester Hills, PC Specialist · Rochester Hills, MI NPI 1043561061 Thomas P Warner DDS PC General Practice Dentistry · Rochester Hills, MI NPI 1255766291
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.