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TRISTIN NYMAN-MALLIS
NPI 1942941059
Psychologist - Clinical in Milwaukee, WI

Active since April 05, 2022
8915 W CONNELL AVE, MILWAUKEE, WI 53226(414) 266-2000 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Dec 12, 2025, Jun 4, 2024, Apr 5, 2022 (3 updates tracked since 2022).

About Tristin Nyman-mallis NPPES

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

TRISTIN NYMAN-MALLIS (NPI 1942941059) is an individual clinical provider in Milwaukee, Wisconsin, licensed in Wisconsin (5217-57) and active in the NPI registry since April 2022. She maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1942941059
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameTRISTIN NYMAN-MALLIS
Location Address8915 W CONNELL AVEMilwaukee, WI 53226-3067
Mailing Address8701 Watertown Plank RdMilwaukee, WI 53226-3548
Phone(414) 266-2000
Sole ProprietorNo
Enumeration DateApril 5, 2022
Last NPPES UpdateDecember 12, 20253 updates tracked since enumeration
NPPES CertifiedDecember 12, 2025
✔ NPI 1942941059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in WI · 5217-57
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8915 W CONNELL AVE, Milwaukee, WI 53226
Open in Google Maps ↗

Secondary Practice Location 1

Location 18701 Watertown Plank RdMilwaukee, WI 53226-3548 · Phone (414) 955-8296

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

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.

DEMI ELISABETH HAGEN PA-C
Physician Assistant
8915 W CONNELL AVE
WAUWATOSA, WI 53226
Milwaukee County (414) 266-2626
DR. ANNA ELIZABETH DZIAMSKI MD
Anesthesiology
8915 W CONNELL AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-2000
DR. KELSEY ANN FREY MD
Pediatrics
8915 W CONNELL AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-2000
ELIZABETH ANNE RODRIGUEZ
Nurse Practitioner (Neonatal, Critical Care)
8915 W CONNELL AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-2000
KEERTHANA PITTALA DO
Student in an Organized Health Care Education/Training Program
8915 W CONNELL AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-2000
ANNA ERICKSON PHARMD
Pharmacist
8915 W CONNELL AVE
MILWAUKEE, WI 53226
Milwaukee County (952) 913-9150
HALLI KOENIG
Registered Nurse
8915 W CONNELL AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-2000
DARSH KURANI DO
Student in an Organized Health Care Education/Training Program
8915 W CONNELL AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 267-2833

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 Tristin Nyman-mallis's NPI number?

The NPI number for Tristin Nyman-mallis is 1942941059. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is Tristin Nyman-mallis located?

Tristin Nyman-mallis practices at 8915 W Connell Ave, Milwaukee, WI 53226. The listed phone number is (414) 266-2000.

What is Tristin Nyman-mallis's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

What insurance does Tristin Nyman-mallis accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Medica and 1 other insurer list Tristin Nyman-mallis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tristin Nyman-mallis was last updated on December 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.