NPI Portal NPI Lookup & Verification

David Greydinger, DC

David Greydinger is a Chiropractor provider (Chiropractor) practicing in Atlantis, FL, registered in the NPPES registry with NPI 1821148057 since 2007. The credential DC stands for Doctor of Chiropractic.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1821148057
Entity type Individual (Type 1)
Name David Greydinger
Credential DC
Sex Male
Practice address Atlantis, FL, 33462
Phone 5612965243
Enumeration date 2007-01-11
Last updated in NPPES 2012-04-25

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 CH9091 FL
111N00000X Chiropractor Secondary 009225 NY

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

Copy-ready billing details
Provider: David Greydinger, DC
NPI: 1821148057
Taxonomy: 111N00000X (Chiropractor)
Address: Atlantis, FL, 33462

Other providers at this practice address

NPI Name Type Specialty Location
1881690360 Visiting Inhome Physicians Inc Organization General Practice Physician Atlantis, FL
1568549194 Visitng Inhome Physicians,Inc. Organization Family Medicine Physician Atlantis, FL
1790903128 Visiting Inhome Physician Inc Organization Geriatric Medicine (Family Medicine) Physician Atlantis, FL
1124271010 M Rahat Faderani Individual General Practice Physician Atlantis, FL
1972824613 General Medicine and Urgent Care Clinic Organization Clinic/Center Atlantis, FL
1326307919 Dr. Rahat Faderani, Do, Mph, PA Organization General Practice Physician Lake Worth, FL

Verify this record

Cross-check NPI 1821148057 against the authoritative CMS record: view David Greydinger 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 David Greydinger practice?
The practice location on file with NPPES is in Atlantis, FL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Greydinger?
The National Provider Identifier (NPI) for David Greydinger is 1821148057, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-04-25.