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DR. WILLIAM RHEAD MD
NPI 1861445512
Medical Genetics - Clinical Genetics (M.D.) in Milwaukee, WI

Active since May 17, 2006PECOS Enrolled
9000 W WISCONSIN AVE, DIVISION OF GENETICS, MILWAUKEE, WI 53226(414) 266-2979(414) 266-1616 Get Directions Write a Review

NPPES record last updated: May 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 19, 2025, Jan 11, 2021, Mar 18, 2019 (3 updates tracked since 2019).

About Dr. William Rhead Md NPPES

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

DR. WILLIAM RHEAD MD (NPI 1861445512) is an individual clinical genetics (m.d.) provider in Milwaukee, Wisconsin, licensed in Wisconsin (42007) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Madison.

NPPES Registry Identity

NPI1861445512
Entity TypeIndividualMale
Primary Taxonomy207SG0201X
Provider Legal NameDR. WILLIAM RHEADCredential: MD
Location Address9000 W WISCONSIN AVE, DIVISION OF GENETICSMilwaukee, WI 53226-4874
Mailing Address9000 W Wisconsin AveMilwaukee, WI 53226-4874 · (414) 805-3666 · Fax (414) 266-1616
Phone(414) 266-2979
Fax(414) 266-1616
Sole ProprietorNo
Enumeration DateMay 17, 2006
Last NPPES UpdateMay 19, 20253 updates tracked since enumeration
NPPES CertifiedMay 19, 2025
✔ NPI 1861445512 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyMedical Genetics · Clinical Genetics (M.D.)Allopathic & Osteopathic Physicians
Taxonomy Code207SG0201X
License✔ Licensed in WI · 42007
Definition
A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.
Also ListedPathology · Pediatric PathologyTaxonomy 207ZP0213X · License 42007 (WI)
9000 W WISCONSIN AVE, Milwaukee, WI 53226
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Secondary Practice Location 1

Location 11500 Highland AveMadison, WI 53705 · Phone (608) 262-2507

Other Identifiers 2

Medicaid1861445512WI
Other008000215DHumana

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 ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Rhead 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 Reassignments

2

Medicare enrollment records show William Rhead reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Medical College Of Wisconsin, Inc.
0.1 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101
University Of Wisconsin Medical Foundation, Inc
76 mi
Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
NPI 1598784555 (608) 829-5485

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 20

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

MS. LESLIE L. TALBERT NP
Nurse Practitioner (Pediatrics)
9000 W WISCONSIN AVE, PEDIATRIC CRITICAL CARE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-3360
SARAH MARIE RUMLER DO
Pediatrics (Pediatric Hematology-Oncology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 955-4170
ALISON COREN
Pediatrics (Pediatric Endocrinology)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-6750
BRANDON PALMER M.D.
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 337-7050
AIDAN JAMES REID DO
Pediatrics
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-6800
KYNDAL LYN HETTICH RD, CSP, CD
Dietitian, Registered
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-5938
CARISA MARIE DIMATTINA LCSW
Social Worker (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 581-4004
BREYA LOGAN WHITEFIELD PHD
Psychologist (Clinical)
9000 W WISCONSIN AVE
MILWAUKEE, WI 53226
Milwaukee County (414) 266-2000

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 Rhead's NPI number?

The NPI number for William Rhead is 1861445512. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is William Rhead located?

William Rhead practices at 9000 W Wisconsin Ave Division Of Genetics, Milwaukee, WI 53226. The listed phone number is (414) 266-2979.

What is William Rhead's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.

Is William Rhead enrolled in Medicare?

Yes. William Rhead is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Rhead's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Rhead reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and University Of Wisconsin Medical Foundation, Inc (Middleton, WI). Each 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 William Rhead's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Rhead accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), Group Health Cooperative-SCW and HealthPartners and 1 other insurer list William Rhead 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 William Rhead was last updated on May 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.