Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Gregory Alexander Porter, PTA

Physical Therapy Assistant in Sterling Heights, MI · enumerated 2018 · practices at Borja Physical Therapy.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1326521618

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Registry record

Entity type Individual (Type 1)

Name Mr. Gregory Alexander Porter

Credential PTA

Sex Male

Practice address 44656 Mound Rd, Sterling Heights, MI, 48314

Phone (586) 884-4565

Fax (888) 996-2534

Enumeration date Sep 12, 2018

Last updated in NPPES Sep 12, 2018

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5502005702 (MI) Primary

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.

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Frequently asked questions

What is the NPI number for Gregory Porter?

The National Provider Identifier (NPI) for Gregory Porter is 1326521618, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Porter practice?

The practice location on file with NPPES is in Sterling Heights, MI. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Alex Borja Physical Therapist · Sterling Heights, MI NPI 1841683547 Borja Physical Therapy Physical Therapy Clinic/Center · Sterling Heights, MI NPI 1043603483 Joseph Tobianski Physical Therapy Assistant · Sterling Heights, MI NPI 1508355918

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-09-12.