Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. William Earl Marcus, RPH
Pharmacist in Chattanooga, TN · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1013170273
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Registry record
Entity type Individual (Type 1)
Name Dr. William Earl Marcus
Credential RPH
Sex Male
Practice address 5901 Shallowford Rd, Chattanooga, TN, 37421
Phone (423) 855-8035
Fax (423) 893-3893
Enumeration date Jul 8, 2008
Last updated in NPPES Jul 8, 2008
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH 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
Where does William Marcus practice?
The practice location on file with NPPES is in Chattanooga, TN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Marcus?
The National Provider Identifier (NPI) for William Marcus is 1013170273, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-08.