Internists Near Me in Oak Park, IL - Ascension

Internal Medicine • Oak Park, IL

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About

Ascension Illinois is a nonprofit health system headquartered in Chicago, offering primary and advanced specialty care (including cardiology) near home in Illinois, with a focus on patient-centered services. Key leadership and departments span medical, operations, and administrative roles, reflecting a broad hospital/healthcare network. For specific internist availability in Oak Park, contact Ascension Oak Park or visit healthcare.ascension.org/illinois to locate a nearby internist or primary care physician.

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Clinic Type

Internal Medicine

Address

1100 Lake St Ste Ll21, Oak Park, IL 60301

Phone

Not provided in excerpt

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://healthcare.ascension.org/find-care/specialty/internists/oak-park--illinois

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

Charlemagne G Guerrero — MD
Owais W Lodhi — MD
Nancy A Zamora — MD
Karen E Hawk — APN
Gopika Chandra — MD, FACP, PhD
Predrag Z Simovic — MD
Ema Dzaka-Dizdarevic — MD
Lisa S Greising — MD

Insurance & Payment

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Languages Spoken

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FAQs

What are the clinic's hours?

Not provided in excerpt

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: mixed

Ascension official provider directory: 4.7 to 5.0 out of 5 stars for various individual internists listed on Ascension's portal (Ranges from 34 to 342+ reviews depending on the provider)
WebMD Care: 4.0 to 5.0 out of 5 stars (11 to 39 ratings each)

Patients praise

High ratings for individual internists for communication, thoroughness, and care
Doctors described as energetic, caring, and attentive listeners
Patients report positive, long-term relationships with specific providers

Common complaints

Reports of unprofessional and rude staff behavior
Difficulties with phone communication and appointment scheduling
Challenges and delays in obtaining referrals
Complaints regarding complex medical billing and customer service interactions

"Dr. Weinstein and I go way back... She is worth the drive. I had pneumonia five years ago and she called me everyday for a week to check on me. She takes the time to listen."

— Vitals review for Dr. Karen Weinstein

"Damita is SUPER UNPROFESSIONAL. She argued with me... I literal heard her discussion MY THINGS with other people which is A HUGE HIPPA violation."

— Review on BirdEye for Ascension Medical Group Oak Park Medical Center

"Totally incompetent staff. Don’t answer their phones... After THREE DAYS of trying and failing to get a hold of anyone on the phone, I went into the office. The older lady that helped me had no idea what a referral was."

— Review on LocalityBiz for Ascension Medical Group Oak Park Medical Center

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

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.