Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dorothy Lee Zimmer, PT

Physical Therapist in Chattanooga, TN · enumerated 2006.

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

National Provider Identifier

1619923141

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Registry record

Entity type Individual (Type 1)

Name Dorothy Lee Zimmer

Credential PT

Sex Female

Practice address 1480 E 3rd St, Chattanooga, TN, 37404

Phone (423) 622-2459

Fax (423) 622-4879

Enumeration date May 26, 2006

Last updated in NPPES Nov 19, 2010

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT6556 (TN) Primary

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License PT7294 (GA) Secondary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

Other identifiers

Identifier	Type	State	Issuer
3156797	Other	TN	BCBST - GROUP NUMBER
247395015A	Medicaid	GA	-
5441623	Medicaid	TN	-
0446652	Medicaid	TN	-
940007	Other	GA	BCBS GA

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

Where does Dorothy Zimmer 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 Dorothy Zimmer?

The National Provider Identifier (NPI) for Dorothy Zimmer is 1619923141, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-11-19.