Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Athanasios Tzaras, M.D.

Pain Medicine (Physical Medicine & Rehabilitation) Physician in Lakeland, FL · enumerated 2018 · practices at Spine & Pain Institute of Florida.

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

National Provider Identifier

1154818771

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Registry record

Entity type Individual (Type 1)

Name Dr. Athanasios Tzaras

Credential M.D.

Sex Male

Practice address 1417 Lakeland Hills Blvd Ste 201, Lakeland, FL, 33805

Phone (813) 701-5804

Enumeration date Apr 19, 2018

Last updated in NPPES May 6, 2023

Taxonomy & licenses

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

2081P2900X Pain Medicine (Physical Medicine & Rehabilitation) Physician Allopathic & Osteopathic Physicians · License ME160882 (FL) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Athanasios Tzaras practice?

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

What is the NPI number for Athanasios Tzaras?

The National Provider Identifier (NPI) for Athanasios Tzaras is 1154818771, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Veronica Trujillo Physician Assistant · Lakeland, FL NPI 1033406749 Spine & Pain Institute of Florida Pain Medicine (Physical Medicine & Rehabilitation) Physician · Lakeland, FL NPI 1477118305

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-06.