WARREN JOHN MAAS MA, LP, JD
NPI 1912086588
Psychologist - Group Psychotherapy in Saint Paul, MN

Q: What is Warren Maas's NPI number?

The NPI number for Warren Maas is 1912086588. It was assigned to this individual provider in the NPPES registry on November 3, 2006.

Q: What is Warren Maas's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Group Psychotherapy, with taxonomy code 103TP2701X.

Q: When was this NPI record last updated?

The NPPES record for Warren Maas 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 12 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.

Active since November 03, 2006

1821 UNIVERSITY AVE W, SUITE N385, SAINT PAUL, MN 55104(651) 644-8515(651) 644-3451 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About Warren John Maas Ma, Lp, Jd NPPES

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

WARREN JOHN MAAS MA, LP, JD (NPI 1912086588) is an individual group psychotherapy provider in Saint Paul, Minnesota, licensed in Minnesota (LP1091) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1912086588

Entity TypeIndividualMale

Primary Taxonomy103TP2701X

Provider Legal NameWARREN JOHN MAASCredential: MA, LP, JD

Location Address1821 UNIVERSITY AVE W, SUITE N385Saint Paul, MN 55104-2801

Mailing Address1821 University Ave W, Suite N385Saint Paul, MN 55104-2801 · (651) 644-8515 · Fax (651) 644-3451

Phone(651) 644-8515

Fax(651) 644-3451

Sole ProprietorNo

Enumeration DateNovember 3, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1912086588 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · Group PsychotherapyBehavioral Health & Social Service Providers

Taxonomy Code103TP2701X

License✔ Licensed in MN · LP1091

Definition

A psychologist who specializes in group psychology and group psychotherapy that is an evidenced-based specialty that prepares group leaders to identify and capitalize on developmental and healing possibilities embedded in the interpersonal/intrapersonal functioning of individual group members as well as collectively for the group. Emphasis is placed on the use of group dynamics to assist and treat individual group members. The specialty is applicable to all age groups, children, adolescents, adults and older adults, for a wide variety of conditions and concerns, and in numerous and diverse settings.

Also ListedPsychologistTaxonomy 103T00000X · License LP1091 (MN)

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License LP1091 (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.

NEW AMERICANS COMMUNITY SERVICES

Clinic/Center

1821 UNIVERSITY AVE W, SUITE S 286
ST PAUL, MN 55104

Ramsey County (651) 287-5223

HALWO ADAN

Behavior Technician

1821 UNIVERSITY AVE W
SAINT PAUL, MN 55104

Ramsey County (612) 442-0073

DR. TIMOTHY MARTIN WRIGHT PHD

Counselor (Mental Health)

1821 UNIVERSITY AVE W, SUITE N385
SAINT PAUL, MN 55104

Ramsey County (651) 644-8515

MARY ELIZABETH VORHES LICSW

Social Worker (Clinical)

1821 UNIVERSITY AVE W, STE N-464
SAINT PAUL, MN 55104

Ramsey County (651) 523-0320

GUARDIAN HEALTH SERVICES

Clinic/Center

1821 UNIVERSITY AVE W
SAINT PAUL, MN 55104

Ramsey County (816) 217-6534

MINNESOTA INTERNSHIP CENTER

Local Education Agency (LEA)

1821 UNIVERSITY AVE W, SUITE #271
SAINT PAUL, MN 55104

Ramsey County (651) 288-3152

H.U.G.E. HEART COUNSELING & THERAPY, LLC

Marriage & Family Therapist

1821 UNIVERSITY AVE W, #S342
SAINT PAUL, MN 55104

Ramsey County (651) 263-8633

LISA RICHARDSON MSS, LICSW

Social Worker (Clinical)

1821 UNIVERSITY AVE W, STE. N-464
SAINT PAUL, MN 55104

Ramsey County (651) 659-2900

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 Warren Maas's NPI number?

The NPI number for Warren Maas is 1912086588. It was assigned to this individual provider in the NPPES registry on November 3, 2006.

Where is Warren Maas located?

Warren Maas practices at 1821 University Ave W Suite N385, Saint Paul, MN 55104. The listed phone number is (651) 644-8515.

What is Warren Maas's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Group Psychotherapy, with taxonomy code 103TP2701X.

When was this NPI record last updated?

The NPPES record for Warren Maas 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 12 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.