Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. William Shannon Merrick, PT, ATC
Physical Therapist in Lutz, FL · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720115405
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Registry record
Entity type Individual (Type 1)
Name Mr. William Shannon Merrick
Credential PT, ATC
Sex Male
Practice address 21756 State Road 54 Ste 102, Lutz, FL, 33549
Phone (813) 279-6234
Fax (888) 492-7854
Enumeration date Feb 28, 2007
Last updated in NPPES Feb 27, 2026
Taxonomy & licenses
2255A2300X Athletic Trainer Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License AL 1709 (FL) Secondary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT10305 (FL) Primary
2251X0800X Orthopedic Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT-0010305 (FL) Secondary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT 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 Merrick practice?
The practice location on file with NPPES is in Lutz, FL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Merrick?
The National Provider Identifier (NPI) for William Merrick is 1720115405, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Beth Patterson Physical Therapist · Lutz, FL NPI 1215051776 Alisha Laing Physical Therapist · Lutz, FL NPI 1770011405 Renea Porsch Physical Therapist · Lutz, FL NPI 1659886794 Christen Daigle Occupational Therapist · Lutz, FL NPI 1396315586 Dae Young Cheong Physical Therapist · Lutz, FL NPI 1265171086 Gregory Behrman Physical Therapist · Lutz, FL NPI 1407583636
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-27.