NPI Portal NPI Lookup & Verification

Lyle William Grenz, DC

Lyle William Grenz is a Chiropractor provider (Chiropractor) practicing in Venice, FL, registered in the NPPES registry with NPI 1164430591 since 2006. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1164430591
Entity type Individual (Type 1)
Name Lyle William Grenz
Credential DC
Sex Male
Practice address Venice, FL, 34292
Phone 9414839789
Fax 9414839774
Enumeration date 2006-08-03
Last updated in NPPES 2009-03-09

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
111N00000X Chiropractor Primary CH4449 FL

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

Other identifiers

Identifier Type State Issuer
381981700 Medicaid FL
Copy-ready billing details
Provider: Lyle Grenz, DC
NPI: 1164430591
Taxonomy: 111N00000X (Chiropractor)
Address: Venice, FL, 34292

Other providers at this practice address

NPI Name Type Specialty Location
1598758567 Arlene Wright Individual Family Nurse Practitioner Venice, FL
1215921531 Anthony Lyon Individual Family Medicine Physician Venice, FL
1265428973 Travis Prachar Individual Family Nurse Practitioner Venice, FL
1952377129 James Wilson Individual Internal Medicine Physician Venice, FL
1235177601 Lisa Bonin Individual Physician Assistant Venice, FL
1649210899 Darren Blakeslee Individual Family Nurse Practitioner Venice, FL
1669484291 Christina Kukula Individual Family Medicine Physician Venice, FL
1164564993 Linda Mangione-Allison Individual Physician Assistant Venice, FL

Verify this record

Cross-check NPI 1164430591 against the authoritative CMS record: view Lyle William Grenz on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Lyle Grenz practice?
The practice location on file with NPPES is in Venice, FL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lyle Grenz?
The National Provider Identifier (NPI) for Lyle Grenz is 1164430591, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2009-03-09.