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

DR. MARCIA ANN ALFF DC
NPI 1457339210
Chiropractor in Avoca, IA

Q: What is Marcia Alff's NPI number?

The NPI number for Marcia Alff is 1457339210. It was assigned to this individual provider in the NPPES registry on January 3, 2006.

Q: What is Marcia Alff's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marcia Alff 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 39 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.

Active since January 03, 2006

170 S ELM, AVOCA, IA 51521(712) 343-6394(712) 343-5404 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Marcia Ann Alff Dc NPPES

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

DR. MARCIA ANN ALFF DC (NPI 1457339210) is an individual chiropractor in Avoca, Iowa, licensed in Iowa (A5197) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1457339210

Entity TypeIndividualFemale

Primary Taxonomy111N00000X

Provider Legal NameDR. MARCIA ANN ALFFCredential: DC

Location Address170 S ELMAvoca, IA 51521-0327

Mailing Address170 S Elm Box 327Avoca, IA 51521-0327 · (712) 343-6394 · Fax (712) 343-5404

Phone(712) 343-6394

Fax(712) 343-5404

Sole ProprietorNo

Enumeration DateJanuary 3, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1457339210 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in IA · A5197

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.

170 S ELM, Avoca, IA 51521

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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 Marcia Alff's NPI number?

The NPI number for Marcia Alff is 1457339210. It was assigned to this individual provider in the NPPES registry on January 3, 2006.

Where is Marcia Alff located?

Marcia Alff practices at 170 S Elm, Avoca, IA 51521. The listed phone number is (712) 343-6394.

What is Marcia Alff'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 Marcia Alff 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 39 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.