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DR. WILLIAM HAROLD PERCY PHD, LP, LMFT
NPI 1881643518
Marriage & Family Therapist in Minneapolis, MN

Active since May 09, 2006
1409 WILLOW ST, SUITE 220, MINNEAPOLIS, MN 55403(612) 819-2311(612) 870-4542 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William Harold Percy Phd, Lp, Lmft NPPES

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

DR. WILLIAM HAROLD PERCY PHD, LP, LMFT (NPI 1881643518) is an individual marriage & family therapist in Minneapolis, Minnesota, licensed in Minnesota (78) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1881643518
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameDR. WILLIAM HAROLD PERCYCredential: PHD, LP, LMFT
Location Address1409 WILLOW ST, SUITE 220Minneapolis, MN 55403-2269
Mailing Address111 E Franklin Ave, #319Minneapolis, MN 55404-2541 · (612) 819-2311 · Fax (612) 870-4542
Phone(612) 819-2311
Fax(612) 870-4542
Sole ProprietorYes
Enumeration DateMay 9, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1881643518 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in MN · 78
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedPsychologistTaxonomy 103T00000X · License LP184 (MN)

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.

MS. GAIL DELWYN HARTMAN L.P., M.A.
Marriage & Family Therapist
1409 WILLOW ST, SUITE 501
MINNEAPOLIS, MN 55403
Hennepin County (612) 871-3371
BEHAVIORAL AND COUNSELING SERVICES OF MINNESOTA
Psychologist
1409 WILLOW ST, SUITE 520
MINNEAPOLIS, MN 55403
Hennepin County (612) 558-4318
SUE TOWEY RN,CNS,MS,LP
Clinical Nurse Specialist (Psychiatric/Mental Health)
1409 WILLOW ST, SUITE 100
MINNEAPOLIS, MN 55403
Hennepin County (612) 377-0898
CALM-CLINIC FOR ATTENTION, LEARNING, AND MEMOR
Psychologist
1409 WILLOW ST, SUITE 600
MINNEAPOLIS, MN 55403
Hennepin County (612) 872-9072
THOMAS JOHN GLASER MS, LP
Psychologist
1409 WILLOW ST, SUITE 608
MINNEAPOLIS, MN 55403
Hennepin County (612) 240-4289
DR. MARY P. THALHUBER PSY.D., L.P.
Psychologist (Clinical)
1409 WILLOW ST, SUITE 300
MINNEAPOLIS, MN 55403
Hennepin County (612) 296-2255
SCOTT MITCHEL KAMILAR PH.D.
Psychologist (Clinical)
1409 WILLOW ST, SUITE 300
MINNEAPOLIS, MN 55403
Hennepin County (612) 870-1242
MS. JENNIFER ANN BAUMGARDNER BARNES MSW, LICSW, LCSW
Social Worker (Clinical)
1409 WILLOW ST, STE 109
MINNEAPOLIS, MN 55403
Hennepin County (612) 474-1700

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 Percy's NPI number?

The NPI number for William Percy is 1881643518. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is William Percy located?

William Percy practices at 1409 Willow St Suite 220, Minneapolis, MN 55403. The listed phone number is (612) 819-2311.

What is William Percy's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for William Percy was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.