Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Reyna Isabel Lajara, M.D.

General Practice Physician in Lakeland, FL · enumerated 2006 · practices at Advanced Internal Medicine Care, PA.

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

National Provider Identifier

1366503583

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Registry record

Entity type Individual (Type 1)

Name Dr. Reyna Isabel Lajara

Credential M.D.

Sex Female

Practice address 5455 S Florida Ave, Lakeland, FL, 33813

Phone (863) 644-3585

Fax (863) 644-3171

Enumeration date Dec 12, 2006

Last updated in NPPES Apr 27, 2026

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License ACN291 (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

Is NPI 1366503583 active?

Yes, as of the latest NPPES snapshot, NPI 1366503583 is active (record last updated 2026-04-27).

How do I verify Reyna Lajara's NPI record?

Cross-check NPI 1366503583 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Jorge Acevedo Vazquez General Practice Physician · Lakeland, FL NPI 1609853225 Advanced Internal Medicine Care, PA Internal Medicine Physician · Lakeland, FL NPI 1811130339

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-27.