DR. WILLIAM A PENNANT M.D.
NPI 1811345184
General Practice in Milwaukee, WI

Q: What is William Pennant's NPI number?

The NPI number for William Pennant is 1811345184. It was assigned to this individual provider in the NPPES registry on May 27, 2016.

Q: What is William Pennant's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Q: When was this NPI record last updated?

The NPPES record for William Pennant was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 May 27, 2016PECOS Enrolled

9200 W WISCONSIN AVE, MILWAUKEE, WI 53226(414) 805-8710 Get Directions Write a Review

NPPES record last updated: October 21, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. William A Pennant M.d. NPPES

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

DR. WILLIAM A PENNANT M.D. (NPI 1811345184) is an individual general practice provider in Milwaukee, Wisconsin, licensed in Wisconsin (74216-20) and active in the NPI registry since May 2016. He is enrolled in Medicare PECOS and maintains a secondary practice location in Allentown.

NPPES Registry Identity

NPI1811345184

Entity TypeIndividualMale

Primary Taxonomy208D00000X

Provider Legal NameDR. WILLIAM A PENNANTCredential: M.D.

Location Address9200 W WISCONSIN AVEMilwaukee, WI 53226-3522

Mailing Address1200 S Cedar Crest BlvdAllentown, PA 18103-6202

Phone(414) 805-8710

Sole ProprietorNo

Enumeration DateMay 27, 2016

Last NPPES UpdateOctober 21, 2025

NPPES CertifiedOctober 21, 2025

✔ NPI 1811345184 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

Licenses✔ Licensed in WI · 74216-20✔ Licensed in IN · 01079773A

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 74216-20 (WI)

Also ListedSurgeryTaxonomy 208600000X · License MT211396 (PA)

9200 W WISCONSIN AVE, Milwaukee, WI 53226

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Secondary Practice Location 1

Location 11200 S Cedar Crest BlvdAllentown, PA 18103-6202 · Phone (484) 862-3256

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William A Pennant M.d. 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.

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.

TRACY BLAIR WANDTKE HERRMANN APNP, CNM

Advanced Practice Midwife

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-4777

DR. ZACHARY SMITH DO

Internal Medicine (Gastroenterology)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 955-6830

DR. COLLEEN ANN CROWE M.D., M.P.H.

Emergency Medicine

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6469

ROBERTO MEJIAS APNP

Nurse Practitioner (Pediatrics)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6600

MRS. ANNE E B LAKATOS APN-BC, APNP, RN

Nurse Practitioner (Adult Health)

9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6850

MRS. AMANDA M MANDERS APNP

Nurse Practitioner (Adult Health)

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-6850

KATHLEEN A WATERHOUSE-SKIBICKI CRNA

Nurse Anesthetist, Certified Registered

9200 W WISCONSIN AVE
MILWAUKEE, WI 53226

Milwaukee County (414) 805-5951

ANDREA L BEQUEST PA

Physician Assistant (Medical)

9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

Milwaukee County (414) 955-0350

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 Pennant's NPI number?

The NPI number for William Pennant is 1811345184. It was assigned to this individual provider in the NPPES registry on May 27, 2016.

Where is William Pennant located?

William Pennant practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. The listed phone number is (414) 805-8710.

What is William Pennant's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is William Pennant enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for William Pennant was last updated on October 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.