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

Gregor A Mcdonald, DC

Chiropractor in Davenport, IA · enumerated 2006.

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

National Provider Identifier

1457368763

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Registry record

Entity type Individual (Type 1)

Name Gregor A Mcdonald

Credential DC

Sex Male

Practice address Davenport, IA, 52807

Phone (563) 386-4434

Fax (563) 386-5306

Enumeration date Aug 1, 2006

Last updated in NPPES Jul 18, 2007

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

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License 04643 (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
C49301	Other	IA	JOHN DEERE
0167783	Medicaid	IA	-

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.

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Frequently asked questions

Is NPI 1457368763 active?

Yes, as of the latest NPPES snapshot, NPI 1457368763 is active (record last updated 2007-07-18).

How do I verify Gregor Mcdonald's NPI record?

Cross-check NPI 1457368763 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

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Laura Winchip Chiropractor · Davenport, IA NPI 1992710644

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-18.