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About

Advocate Medical Group Endocrinology in Naperville is part of Advocate Health Care, a large nonprofit, integrated health system. The system operates across Illinois (Advocate Health Care), Wisconsin and Michigan (Aurora Health Care), and the Carolinas/Georgia/Alabama (Atrium Health). It focuses on clinical innovation, high-quality outcomes, and value-based care, with Wake Forest University School of Medicine serving as the academic core. Advocate Health employs about 162,000 team members, runs 68 hospitals and 1,000+ care locations, and supports extensive research and graduate medical education. For endocrine care specifically, you would typically access specialty endocrinology services through Advocate Medical Group locations in Illinois, including Naperville, as part of the Advocate Health network.

Clinic Type

Endocrinology

Address

Naperville, IL 60564

Phone

18003238622

Email

security@aah.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD (Dr. Anju Paul): 3.5/5 (29 ratings)
  • Healthgrades (Dr. Mary Codo): 4.5/5 (106 ratings)
  • Top-Rated.online (Advocate Medical Group Endocrinology): 2.4/5 (Data source-specific (e.g., Google Maps-based aggregate))
  • WebMD (Dr. William Zeller): 4.5/5 (28 ratings)

Patients praise

  • Some physicians are described as knowledgeable, kind, and patient
  • Some patients appreciate clear explanations and professional, personable care
  • Long-term patients report positive, trusting relationships with certain providers

Common complaints

  • Difficulty with office communication and phone responsiveness
  • Issues with appointment scheduling, cancellations, and reschedules
  • Perceived lack of compassion or feeling rushed during appointments
  • Frustration with administrative transitions and staffing issues
  • Concerns regarding treatment approaches for specific endocrine conditions

"If you’re looking for someone to look beyond the obvious, this is not your person... My appointment was hurriedly and she could care less as to why I was there."

WebMD review for Dr. Anju Paul

"This is the worst office experience I have ever had in my life. They changed my daughter’s appointment 2 times due to their staffing issues... I hope nobody gets referred to this place as they are not at all accommodating."

WebMD review for Dr. William Zeller (office experience)

"I can't say enough good things about Dr Codo! She's just simply amazing! Love her to death"

Healthgrades review for Dr. Mary Codo

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.

More endocrinology clinics in Naperville

Naperville, IL·Endocrinology

Safiya Elahi appears linked to Endeavor Health’s Naperville location, part of the Chicagoland-based Endeavor Health system. Key context: - Endeavor Health is Illinois’ third-largest health system with nine hospitals and 300+ ambulatory locations, serving over 4 million residents in northeast Illinois. - Naperville is one of its sites, with Linden Oaks Behavioral Health Hospital located in Naperville, and a network of facilities across the region. - Leadership roles and departments at Endeavor Health include clinical operations, outcomes research, and quality improvement; specific personnel names (e.g., Steven Meyers, Joseph Dant) appear in related governance and committees, including pharmacy and therapeutics. - Contact/locations: multiple office sites in Illinois, including Naperville addresses among others (e.g., Elmhurst, Evanston, Glenview, Highland Park, Skokie, Chicago). If you’re looking for Safiya Elahi’s role at Endeavor Health Naperville specifically, the provided highlights do not include information about an individual named Safiya Elahi.

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