Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MITCHELL HUNTER GEISLER
NPI 1235842634
Behavior Analyst in Wauwatosa, WI

Q: What is Mitchell Geisler's NPI number?

The NPI number for Mitchell Geisler is 1235842634. It was assigned to this individual provider in the NPPES registry on December 30, 2022.

Q: What is Mitchell Geisler's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Q: When was this NPI record last updated?

The NPPES record for Mitchell Geisler was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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 December 30, 2022

10930 W POTTER RD STE A, WAUWATOSA, WI 53226(262) 200-0900(630) 395-9198 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 24, 2026, Dec 30, 2022 (2 updates tracked since 2022).

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About Mitchell Hunter Geisler NPPES

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

MITCHELL HUNTER GEISLER (NPI 1235842634) is an individual behavior analyst provider in Wauwatosa, Wisconsin, licensed in Wisconsin (1097140) and active in the NPI registry since December 2022.

NPPES Registry Identity

NPI1235842634

Entity TypeIndividualMale

Primary Taxonomy103K00000X

Provider Legal NameMITCHELL HUNTER GEISLER

Location Address10930 W POTTER RD STE AWauwatosa, WI 53226-3450

Mailing Address10930 W Potter RdWauwatosa, WI 53226-3450

Phone(262) 200-0900

Fax(630) 395-9198

Sole ProprietorYes

Enumeration DateDecember 30, 2022

Last NPPES UpdateSeptember 24, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 24, 2026

✔ NPI 1235842634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

License✔ Licensed in WI · 1097140

Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

10930 W POTTER RD STE A, Wauwatosa, WI 53226

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Medica, UnitedHealthcare.Insurance ›

Other Providers at the Same Location NPPES 9

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

CARTER SERPE

Behavior Analyst

10930 W POTTER RD STE A
WAUWATOSA, WI 53226

Milwaukee County (262) 200-0900

ALEXIS KOPECKY

Behavior Analyst

10930 W POTTER RD STE A
WAUWATOSA, WI 53226

Milwaukee County (262) 200-0900

KELSEY LILLY M.S.

Behavior Analyst

10930 W POTTER RD STE A
WAUWATOSA, WI 53226

Milwaukee County (262) 200-0900

AMANDA LYN POLACHEK

Assistant Behavior Analyst

10930 W POTTER RD STE A
WAUWATOSA, WI 53226

Milwaukee County (262) 200-0900

KORI DANIELLE DOFFEK MS, BCBA

Behavior Analyst

10930 W POTTER RD STE A
WAUWATOSA., WI 53226

Milwaukee County (262) 200-0900

PAIGE WORTMAN MS, BCBA

Behavior Analyst

10930 W POTTER RD STE A
WAUWATOSA, WI 53226

Milwaukee County (262) 200-0900

PAIGE CAMERYN GNAS

Behavior Analyst

10930 W POTTER RD STE A
WAUWATOSA, WI 53226

Milwaukee County (414) 207-9686

WILLIAM ELMER BRYLOW BCBA

Behavior Analyst

10930 W POTTER RD STE A
WAUWATOSA, WI 53226

Milwaukee County (262) 200-0900

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 Mitchell Geisler's NPI number?

The NPI number for Mitchell Geisler is 1235842634. It was assigned to this individual provider in the NPPES registry on December 30, 2022.

Where is Mitchell Geisler located?

Mitchell Geisler practices at 10930 W Potter Rd Ste A, Wauwatosa, WI 53226. The listed phone number is (262) 200-0900.

What is Mitchell Geisler's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

What insurance does Mitchell Geisler accept?

Health plans from Anthem Blue Cross and Blue Shield, Medica and UnitedHealthcare list Mitchell Geisler 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 Mitchell Geisler was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.