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MR. SEAN GUTHMILLER LMSW
NPI 1326400094
Social Worker - Clinical in Spencer, IA

Active since March 22, 2016
201 E 11TH ST, SPENCER, IA 51301(712) 472-9605(712) 264-9328 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 29, 2026, Mar 23, 2016 (2 updates tracked since 2016).

About Mr. Sean Guthmiller Lmsw NPPES

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

MR. SEAN GUTHMILLER LMSW (NPI 1326400094) is an individual clinical provider in Spencer, Iowa, licensed in Iowa (081505) and active in the NPI registry since March 2016.

NPPES Registry Identity

NPI1326400094
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. SEAN GUTHMILLERCredential: LMSW
Location Address201 E 11TH STSpencer, IA 51301-4436
Mailing Address4640 E 54th St, Apt. 135Sioux Falls, SD 57110-4451 · (712) 737-7110
Phone(712) 472-9605
Fax(712) 264-9328
Sole ProprietorNo
Enumeration DateMarch 22, 2016
Last NPPES UpdateJanuary 29, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2026
✔ NPI 1326400094 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in IA · 081505
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
201 E 11TH ST, Spencer, IA 51301
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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.

DR. JAMES REPASS POWER MSW, PHD
Social Worker
201 E 11TH ST
SPENCER, IA 51301
Clay County (641) 436-0926
TERRY R HUISMAN LMHC
Counselor (Mental Health)
201 E 11TH ST
SPENCER, IA 51301
Clay County (712) 262-2922
MAGGIE LEE GREVING LISW
Social Worker (Clinical)
201 E 11TH ST
SPENCER, IA 51301
Clay County (712) 262-2922
JESSICA TRAGER MENDEL LMSW
Social Worker
201 E 11TH ST
SPENCER, IA 51301
Clay County (712) 262-2922
KATHERINE FREESE LMSW
Social Worker
201 E 11TH ST
SPENCER, IA 51301
Clay County (800) 242-5101
DANIELLE STELPFLUG
Peer Specialist
201 E 11TH ST
SPENCER, IA 51301
Clay County (712) 363-7779
TAMERA FREDERICK LMHC
Counselor (Mental Health)
201 E 11TH ST
SPENCER, IA 51301
Clay County (712) 262-2292
DICKINSON COUNTY
Case Management
201 E 11TH ST, SEASONS CENTER FOR COMMUNITY MENTAL HEALTH
SPENCER, IA 51301
Clay County (800) 242-5101

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 Sean Guthmiller's NPI number?

The NPI number for Sean Guthmiller is 1326400094. It was assigned to this individual provider in the NPPES registry on March 22, 2016.

Where is Sean Guthmiller located?

Sean Guthmiller practices at 201 E 11th St, Spencer, IA 51301. The listed phone number is (712) 472-9605.

What is Sean Guthmiller's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Sean Guthmiller was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.