Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Theodore James St. John, DPT

Physical Therapist in Freeland, MI · enumerated 2022 · practices at Functional Advantage, LLC.

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

National Provider Identifier

1679219638

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Registry record

Entity type Individual (Type 1)

Name Mr. Theodore James St. John

Credential DPT

Sex Male

Practice address 5866 Midland Rd, Freeland, MI, 48623

Phone (989) 573-8588

Fax (989) 573-8589

Enumeration date May 11, 2022

Last updated in NPPES Jun 9, 2022

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 5501301844 (MI) Primary

DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession. About the DPT credential

Other identifiers

Identifier	Type	State	Issuer
S325792367996	Other	MI	DRIVERS LICENSE

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 → Validate an NPI →

Frequently asked questions

What specialty is Theodore St. John?

Theodore St. John is registered in NPPES with the primary taxonomy of Physical Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

Other providers at this practice address

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Functional Advantage, LLC Physical Therapist · Freeland, MI NPI 1225324734

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-09.