Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John R Lafrentz, MD

Otolaryngology Physician in Huntsville, AL · enumerated 2006.

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

National Provider Identifier

1639129885

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Registry record

Entity type Individual (Type 1)

Name Dr. John R Lafrentz

Credential MD

Sex Male

Practice address 285 Chateau Dr, Huntsville, AL, 35801

Phone (256) 882-0165

Fax (256) 882-7846

Enumeration date May 10, 2006

Last updated in NPPES May 13, 2013

Taxonomy & licenses

207Y00000X Otolaryngology Physician Allopathic & Osteopathic Physicians · License 00023611 (AL) Primary

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

Other identifiers

Identifier	Type	State	Issuer
51521796	Other	-	BCBS

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 John Lafrentz practice?

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

What is the NPI number for John Lafrentz?

The National Provider Identifier (NPI) for John Lafrentz is 1639129885, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Neeta Kohli-Dang Otolaryngology Physician · Huntsville, AL NPI 1235189465

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-13.