1. Home
  2. Directory
  3. Wisconsin
  4. Wauwatosa
  5. Psychiatry Neurology
  6. NPI Profile

DR. HILLARY D WYNN MD
NPI 1871600767
Psychiatry & Neurology - Child & Adolescent Psychiatry in Wauwatosa, WI

Active since August 24, 2006PECOS Enrolled
2600 N MAYFAIR RD STE 400, WAUWATOSA, WI 53226(414) 232-8397(888) 297-5852 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 27, 2026, Sep 11, 2025, Mar 7, 2023 (3 updates tracked since 2023).

About Dr. Hillary D Wynn Md NPPES

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

DR. HILLARY D WYNN MD (NPI 1871600767) is an individual child & adolescent psychiatry provider in Wauwatosa, Wisconsin, licensed in California (C211233) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871600767
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. HILLARY D WYNNCredential: MD
Location Address2600 N MAYFAIR RD STE 400Wauwatosa, WI 53226-1306
Mailing Address2600 N Mayfair Rd Ste 400Wauwatosa, WI 53226-1306 · (414) 232-8397 · Fax (888) 297-5852
Phone(414) 232-8397
Fax(888) 297-5852
Sole ProprietorYes
Enumeration DateAugust 24, 2006
Last NPPES UpdateAugust 27, 20263 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1871600767 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
Licenses✔ Licensed in CA · C211233✔ Licensed in WI · 47257-020
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 47257-020 (WI), C211233 (CA)
2600 N MAYFAIR RD STE 400, Wauwatosa, WI 53226
Open in Google Maps ↗

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Hillary D Wynn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Hillary Wynn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ascension Medical Group-Fox Valley Wisconsin, Inc
80 mi
Multi-Specialty
101 MAIN ST
Neenah, WI 54956
  • Reassigned Medicare billing, Wisconsin enrollment
  • 444 clinicians in this Medicare group
NPI 1730126392 (920) 727-4200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 8

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

VERONICA CRUZ LPC-IT
Counselor (Mental Health)
2600 N MAYFAIR RD STE 400
WAUWATOSA, WI 53226
Milwaukee County (414) 939-9390
TORI ROSE KNUEPPEL LPC-IT
Counselor (Mental Health)
2600 N MAYFAIR RD STE 400
WAUWATOSA, WI 53226
Milwaukee County (414) 939-9390
SHALIA MORGAN
Counselor
2600 N MAYFAIR RD STE 400
WAUWATOSA, WI 53226
Milwaukee County (414) 930-9390
SARAH CATHERINE MORAL
Counselor (Mental Health)
2600 N MAYFAIR RD STE 400
WAUWATOSA, WI 53226
Milwaukee County (414) 939-9390
JILL WALLACE
Counselor (Professional)
2600 N MAYFAIR RD STE 400
WAUWATOSA, WI 53226
Milwaukee County (414) 933-9390
KARA VANETTA WILLIAMS MS, LPC-IT
Counselor (Mental Health)
2600 N MAYFAIR RD STE 400
WAUWATOSA, WI 53226
Milwaukee County (414) 939-9390
MISS DANIELLE MARIE STARKEY
Counselor (Professional)
2600 N MAYFAIR RD STE 400
WAUWATOSA, WI 53226
Milwaukee County (414) 939-9390
MR. AUSTIN LEE HANNAH LPC-IT
Counselor (Mental Health)
2600 N MAYFAIR RD STE 400
WAUWATOSA, WI 53226
Milwaukee County (414) 939-9390

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 Hillary Wynn's NPI number?

The NPI number for Hillary Wynn is 1871600767. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Hillary Wynn located?

Hillary Wynn practices at 2600 N Mayfair Rd Ste 400, Wauwatosa, WI 53226. The listed phone number is (414) 232-8397.

What is Hillary Wynn's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Hillary Wynn enrolled in Medicare?

Yes. Hillary Wynn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hillary Wynn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hillary Wynn reassigns Medicare benefits to Ascension Medical Group-Fox Valley Wisconsin, Inc (Neenah, WI). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hillary Wynn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hillary Wynn accept?

Health plans from Anthem Blue Cross and Blue Shield and Network Health list Hillary Wynn 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 Hillary Wynn was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.