Primary Care Doctors Near Me in Whitefish Bay, WI - Ascension

Internal Medicine • Whitefish Bay, WI

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About

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Clinic Type

Internal Medicine

Address

4027 N Oakland Ave, Shorewood, WI 53211

Phone

(414) 962-7477

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://healthcare.ascension.org/find-care/specialty/primary-care-doctors/whitefish-bay--wisconsin

Emergency Care

If you are experiencing a life-threatening emergency, call 911 or go directly to the ER.

Services Offered

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Team

Chelsea L Holtz — DO
Morgan H Markus — APNP
Mario Kapetsonis — MD
Charles R Spelich — DO
Lisa H Speidel — MD
Michael A Martella — DO
Michael A Brewer — DO
Lisa M Casey — DO

Insurance & Payment

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Languages Spoken

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Social Media

Youtube Facebook Linkedin Instagram

Photos

What Patients Say

Overall sentiment across review platforms: mixed

Ascension Official Site: 4.7/5 (402 reviews) for Dr. Mario Kapetsonis (402)
Ascension Official Site: 5.0/5 (653 reviews) for Dr. Jeffrey R. Maehl (653)
Ascension Official Site: 4.9/5 (352 reviews) for Dr. Michael P. Fetherston (352)

Patients praise

High satisfaction scores for individual physicians and practitioners
Patients generally report positive experiences with the medical care itself
Many individual providers hold high star ratings (often 4.5 to 5.0) from verified patients

Common complaints

Difficulty reaching office staff via telephone
Long wait times to speak with representatives or schedule appointments
Billing errors and disputes regarding surprise charges or insurance coverage
Lack of communication regarding provider changes or prescription renewals
Frustration with administrative and front-desk processes

"I’ve never had a worse experience with a physicians office. My provider left and no one said a word to me... These people could not care less about you or your needs."

— LocalityBiz review of Ascension clinic

"The billing discrepancy caused Dan and Helen Lococo over six months of emails, calls and sleepless nights... The couple said the struggle to speak with someone who could justify the extra charges became increasingly frustrating."

— Milwaukee Journal Sentinel investigative report

"It is our goal to comprehensively assess patients and provide thorough, compassionate care. Patient feedback is important to us, and we review any concerns brought to our attention."

— Ascension statement in TMJ4 News report

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].