Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Larry M Formanek, D.C.

Chiropractor in Knoxville, IA · enumerated 2005 · practices at Knoxville Chiropractic Clinic PC.

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

National Provider Identifier

1558350546

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Dr. Larry M Formanek

Credential D.C.

Sex Male

Practice address 115 E Main St, Knoxville, IA, 50138

Phone (641) 842-3007

Fax (641) 842-5612

Enumeration date Oct 21, 2005

Last updated in NPPES May 29, 2012

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License AO5434 (IA) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC credential

Other identifiers

Identifier	Type	State	Issuer
0285262	Medicaid	IA	-
6599	Other	IA	MIDLANDS CHOICE

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

What is the NPI number for Larry Formanek?

The National Provider Identifier (NPI) for Larry Formanek is 1558350546, a Type 1 (individual) record in the CMS NPPES registry.

Where does Larry Formanek practice?

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

Other providers at this practice address

Browse all →

Knoxville Chiropractic Clinic PC Chiropractor · Knoxville, IA NPI 1619159969

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-05-29.