Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Ernesto Alonso, MD

Clinical Neurophysiology Physician in Lake City, FL · enumerated 2013.

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

National Provider Identifier

1396170601

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Registry record

Entity type Individual (Type 1)

Name Dr. Ernesto Alonso

Credential MD

Sex Male

Practice address Lake City, FL, 32055

Phone (386) 288-5311

Fax (386) 288-0058

Enumeration date Sep 5, 2013

Last updated in NPPES Oct 1, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

208D00000X General Practice Physician Allopathic & Osteopathic Physicians · License 018577 (PR) Secondary

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License 04-40017 (KS) Secondary

2084N0600X Clinical Neurophysiology Physician Allopathic & Osteopathic Physicians · License ME135763 (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 1396170601 active?

Yes, as of the latest NPPES snapshot, NPI 1396170601 is active (record last updated 2025-10-01).

How do I verify Ernesto Alonso's NPI record?

Cross-check NPI 1396170601 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-01.