Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

WALTER L MENDENHALL M.D.
NPI 1194799643
Specialist in Spencer, IA

Active since February 13, 2006
1200 1ST AVE E, SUITE B, SPENCER, IA 51301(712) 262-6214(712) 262-6216 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Walter L Mendenhall M.d. NPPES

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

WALTER L MENDENHALL M.D. (NPI 1194799643) is an individual specialist in Spencer, Iowa, licensed in Iowa (20168) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1194799643
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameWALTER L MENDENHALLCredential: M.D.
Location Address1200 1ST AVE E, SUITE BSpencer, IA 51301-4342
Mailing Address1200 1st Ave E, Suite BSpencer, IA 51301-4342 · (712) 262-6214 · Fax (712) 262-6216
Fax(712) 262-6216
Sole ProprietorNo
Enumeration DateFebruary 13, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1194799643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License Licensed in IA · 20168
Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

1200 1ST AVE E, Spencer, IA 51301

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Registered Nurse (Emergency)
1200 1ST AVE E
SPENCER, IA 51301
Specialist
1200 1ST AVE E, SUITE B
SPENCER, IA 51301
Physical Therapist
1200 1ST AVE E
SPENCER, IA 51301
Emergency Medicine
1200 1ST AVE E
SPENCER, IA 51301
Occupational Therapist
1200 1ST AVE E
SPENCER, IA 51301
Physical Therapist
1200 1ST AVE E, SUITE C
SPENCER, IA 51301
Specialist/Technologist (Athletic Trainer)
1200 1ST AVE E, SUITE C
SPENCER, IA 51301
Physical Therapist
1200 1ST AVE E
SPENCER, IA 51301

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 Walter Mendenhall's NPI number?

The NPI number for Walter Mendenhall is 1194799643. It was assigned to this individual provider in the NPPES registry on February 13, 2006.

Where is Walter Mendenhall located?

Walter Mendenhall practices at 1200 1st Ave E Suite B, Spencer, IA 51301. The listed phone number is (712) 262-6214.

What is Walter Mendenhall's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Walter Mendenhall was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.