Dr. William A. Pennant
Dr. William A. Pennant
Last updated: Oct 21, 2025

Dr. William A. Pennant

  • Gender: Male
  • Sole propriator: No
  • NPI: 1811345184

Dr. William A. Pennant M.D.

Surgeon

He is located at 9200 West Wisconsin Avenue in Milwaukee, WI 53226. Can help patients with the following: Boils, Esophageal Cancer, Inflammatory Bowel Disease (IBD), Lymphedema, Peptic Ulcer, Sebaceous Cyst. His National Provider Identifier (NPI) number is 1811345184. Appointment can be made via the phone number (414) 805-8710.

Conditions treated

Dr. William A. Pennant, being an surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William A. Pennant.

  • Achalasia
  • Anal Fissure
  • Appendicitis
  • Boils
  • Cancer
  • Colon Cancer
  • Crohn's Disease
  • Cyst
  • Diverticulosis
  • Enlarged Spleen
  • Esophageal Cancer
  • Gallstones
  • Gangrene
  • Heart Disease
  • Hemorrhoids
  • Hernia
  • Inflammatory Bowel Disease (IBD)
  • Lymphedema
  • Pancreatitis
  • Peptic Ulcer
  • Pilonidal Cyst
  • Sebaceous Cyst
  • Ulcerative Colitis

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William A. Pennant as in-network for the following 2026 plans.

Health plans

CareSource (Common Ground Healthcare)

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 18 plans from CareSource (Common Ground Healthcare)
CareSource (Common Ground Healthcare) plans
Plan Plan type Network tier New patients
CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded - Vision Exam EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) - Vision Exam EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze Standard $7500 EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Bronze Standard $7500 - Vision Exam EPO · Expanded Bronze Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold $0 Ded EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold $0 Ded - Vision Exam EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold $3300 EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold $3300 - Vision Exam EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold Standard $2000 EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Gold Standard $2000 - Vision Exam EPO · Gold Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded - Vision Exam EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded - Vision Exam EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver Standard $6000 EPO · Silver Preferred Accepting new patients
CareSource (Common Ground Healthcare) Silver Standard $6000 - Vision Exam EPO · Silver Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. William A. Pennant is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. William A. Pennant is enrolled to bill Medicare as a Practitioner - General Practice .

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Looking for more Surgeons?

Out of the 204 surgeons in this region, here are 10 randomly selected ones for you to explore.

Dr. Marc A. de Moya
  • Gender: Male
  • Address: 9200 West Wisconsin Avenue Milwaukee, 53226, WI
Dr. Kellie R. Brown
  • Gender: Female
  • Address: 9200 West Wisconsin Avenue Milwaukee, 53226, WI
Dr. Christopher E. Wolfla
  • Gender: Male
  • Address: Spine Care Clinic At Plank Road 1155 North Mayfair Road Milwaukee, 53226, WI
Dr. Bruce A. Kaufman
  • Gender: Male
  • Address: Pediatric Neurosurgery 9000 West Wisconsin Avenue Milwaukee, 53226, WI
Dr. James Patrick Ketterhagen
  • Gender: Male
  • Address: 204 North 86th Street Wauwatosa, 53226, WI
Dr. John N. Jensen
  • Gender: Male
  • Address: 200 Hawkins Drive Iowa City, 52242, IA
Dr. Francisco Antonio Durazo
  • Gender: Male
  • Address: 9200 West Wisconsin Avenue Milwaukee, 53226, WI
Dr. Andrea L. Winthrop
  • Gender: Female
  • Address: CHILDREN'S Health Sys Office Building 9000 West Wisconsin Avenue Milwaukee, 53226, WI
Dr. David W. Johnstone
  • Gender: Male
  • Address: 9200 West Wisconsin Avenue Milwaukee, 53226, WI
Dr. Christopher Stephen Davis
  • Gender: Male
  • Address: 9200 West Wisconsin Avenue Milwaukee, 53226, WI

Questions & Answers

Where can you meet with Dr. William A. Pennant?

Dr. William A. Pennant's office is located at 9200 West Wisconsin Avenue in Milwaukee, WI 53226.

Does Dr. William A. Pennant accept insurance?

Dr. William A. Pennant is listed in-network for 18 ACA Marketplace (Obamacare/HealthCare.gov) plans from CareSource (Common Ground Healthcare). See the Marketplace plans section for details.

What conditions does Dr. William A. Pennant treat?

Dr. William A. Pennant provides treatment for Boils, Esophageal Cancer, Inflammatory Bowel Disease (IBD), Lymphedema, Peptic Ulcer, Sebaceous Cyst. For the full list see this list.