Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM FRANK MAXWELL D.C.
NPI 1477537389
Chiropractor in Shell Rock, IA

Active since December 05, 2005
221 SOUTH CHERRY ST., SHELL ROCK, IA 50670(319) 885-4353 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Frank Maxwell D.c. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM FRANK MAXWELL D.C. (NPI 1477537389) is an individual chiropractor in Shell Rock, Iowa, licensed in Iowa (4971) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1477537389
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. WILLIAM FRANK MAXWELLCredential: D.C.
Location Address221 SOUTH CHERRY ST.Shell Rock, IA 50670-0635
Mailing AddressPo Box 635, 221 South Cherry St.Shell Rock, IA 50670-0635 · (319) 885-4353
Sole ProprietorNo
Enumeration DateDecember 5, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1477537389 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License Licensed in IA · 4971
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
221 SOUTH CHERRY ST., Shell Rock, IA 50670

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Maxwell's NPI number?

The NPI number for William Maxwell is 1477537389. It was assigned to this individual provider in the NPPES registry on December 5, 2005.

Where is William Maxwell located?

William Maxwell practices at 221 South Cherry St., Shell Rock, IA 50670. The listed phone number is (319) 885-4353.

What is William Maxwell's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

When was this NPI record last updated?

The NPPES record for William Maxwell was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.