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Clinic Type

Internal Medicine

Address

350 W Kensington Rd Ste 101, Mount Prospect, IL 60056

Phone

(847) 670-0800

Email

careers@ascension.org

Opening Hours

Not published — contact the clinic to confirm hours.

Emergency Care

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

Services Offered

  • Primary Care
  • Internal Medicine

Team

  • Harbans S Mavi, MD, MD — Physician

Insurance & Payment

Languages Spoken

  • English
  • Vietnamese?

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades: 5.0/5 (21 ratings)
  • U.S. News Doctors: 5.0/5 (17 ratings)
  • WebMD Care: 4.5/5 (23 ratings)
  • WebMD Care: 4.5/5 (17 ratings)

Patients praise

  • Physicians are frequently described as caring, compassionate, and attentive
  • High patient satisfaction with the quality of medical care and clinical expertise
  • Concierge/personalized primary care models are praised for unhurried appointments and accessibility
  • Efficient check-in processes at some locations

Common complaints

  • Administrative and office staff inefficiency (e.g., appointment cancellations, difficulty reaching staff)
  • Frustration with prescription refill processes and phone hold times
  • Complaints about office environment and staff friendliness at some locations

"Best possible Primary Care Dr you could find. Easy to talk to, very competent, good sense of humor. You will get the best care from Dr Zallik."

Healthgrades user review for Dr. Ned Zallik

"I have not been able to get an appointment there since last year because the administrative staff there is so inefficient."

Birdeye review for Northwestern Medical Group Primary Care at Lake Forest Hospital

"Quality medical professionals -- Rude office staff."

Healthgrades user review for Lake Forest Internal Medicine

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.

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Lake Forest, IL·Internal Medicine

VerifiedOnline bookingEmergency care
Lake Forest, IL·Internal Medicine

Lake Forest Internal Medicine is a privately held healthcare provider founded in 2002 and headquartered in Libertyville, Illinois. The practice emphasizes compassionate, evidence-based medical care and preventive health, delivered by a small team (2 employees) with remote visit options during business hours. It operates three offices in Libertyville, IL, and offers services in general internal medicine, preventive care, and weight management. Key details: private company (SIC 80, 801; NAICS 62, 621), phone 847-816-3084, LinkedIn presence, and a focus on building trusting patient relationships. Current web metrics show modest traffic (about 188 monthly visits) with a low bounce rate (0.4%).

VerifiedSince 2002

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