Post-laminectomy syndrome

Ayah Zegar

Ayah Zegar, MD
Ayah Zegar
Ayah Zegar
MD
Specialties
Pain Medicine
National Provider Identifier
1487115523
Employment Status/Appointment
Assistant
Female
    1487115523 - 11544 - Endeavor Health Medical Group 1487115523 - 5507 - Endeavor Health Medical Group 1487115523 - 8305 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
Yes
Open Scheduling
Off
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Ayah Zegar, MD, a pain medicine and anesthesiology specialist at Endeavor Health, provides comprehensive care for patients managing chronic and acute pain. She addresses a wide range of conditions including abdominal pain, arthritic pain, facial pain and cancer-related pain. Dr. Zegar offers interventional treatments such as celiac plexus blocks, dorsal root ganglion stimulation and epidural steroid injections, tailoring therapies to each patient’s needs. Her expertise spans anesthesiology and advanced pain management techniques that improve quality of life.

Years Experience
7
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Nirav Shah

Nirav Shah, MD
Nirav Shah
Nirav Shah
MD
Specialties
Pain Medicine
National Provider Identifier
1306282439
Employment Status/Appointment
Attending
Male
    1306282439 - 11544 - Endeavor Health Medical Group 1306282439 - 30998 - Endeavor Health Medical Group 1306282439 - 31716 - Endeavor Health Medical Group 1306282439 - 5507 - Endeavor Health Medical Group 1306282439 - 6658 - Endeavor Health Medical Group 1306282439 - 8305 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
Yes
Overall Rating
4.9
Total Ratings
45
Total Comments
12
Comments
[{"id":1739516283,"surveyKey":"10013695588","source":"PG Survey- MD","mentionTime":"2025-10-18T05:00:00Z","wordCount":5,"comment":"Dr Shah is absolute best!","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706710561,"surveyKey":"9692690478","source":"PG Survey- MD","mentionTime":"2025-08-30T05:00:00Z","wordCount":23,"comment":"Dr. Shah was thorough and kind during the examination and very good at communicating and explaining. He was of great help to me.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706710284,"surveyKey":"9692638986","source":"PG Survey- MD","mentionTime":"2025-08-29T05:00:00Z","wordCount":19,"comment":"I think he shows compassion and understanding for the patient. Although he is time conscious, I never feel rushed","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706707124,"surveyKey":"9639908854","source":"PG Survey- MD","mentionTime":"2025-08-15T05:00:00Z","wordCount":23,"comment":"Dr. Shah was a good listener, he explained everything thoroughly. If his medical expertise matches his bedside manner, I will be very happy.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706707157,"surveyKey":"9646287360","source":"PG Survey- MD","mentionTime":"2025-08-15T05:00:00Z","wordCount":4,"comment":"Dr. Shaw is great","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706704364,"surveyKey":"9576776686","source":"PG Survey- MD","mentionTime":"2025-08-04T05:00:00Z","wordCount":3,"comment":"He was excellent","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706702795,"surveyKey":"9551415954","source":"PG Survey- MD","mentionTime":"2025-07-29T05:00:00Z","wordCount":1,"comment":"Excellent","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768147661,"surveyKey":"8914994133","source":"PG Survey- MD","mentionTime":"2025-04-13T05:00:00Z","wordCount":20,"comment":"I was very impressed w Dr Shah. He listened so carefully and his plan of action makes so much sense.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768149072,"surveyKey":"8888061396","source":"PG Survey- MD","mentionTime":"2025-04-08T05:00:00Z","wordCount":18,"comment":"Dr. Shaw was great! He explained things in a calm and direct manner. He displayed the utmost professionalism.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768149727,"surveyKey":"8870949607","source":"PG Survey- MD","mentionTime":"2025-04-05T05:00:00Z","wordCount":19,"comment":"First time visit. Dr educated me on my condition. Felt he knew what he was talking about. Very helpful.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768153446,"surveyKey":"8729549967","source":"PG Survey- MD","mentionTime":"2025-03-19T05:00:00Z","wordCount":16,"comment":"This was prior to recent appointmentDr. Shah is very caring and accepted my apology to staff","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768165514,"surveyKey":"8477426802","source":"PG Survey- MD","mentionTime":"2025-02-04T05:00:00Z","wordCount":16,"comment":"The doctor was very thorough and answered my many questions . It was a very good visit.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":4}}]

My endeavor is to use cutting-edge science and evidence-based medicine to relieve acute and chronic pain and improve quality of life through integrated, team-based care.

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I use the latest and greatest evidence-based treatment techniques to improve my patients’ quality of life in a holistic sense. I strive to provide care that promotes overall wellness, minimizing the use of opioids and instead leveraging the most advanced technologies and multidisciplinary approaches to treat pain. Chronic and interventional pain management is so much more than medication—it’s about restoring function and wellbeing.

Professional Title

Nirav Shah, MD, a pain medicine specialist and anesthesiologist at Endeavor Health, integrates the latest evidence-based treatments to care for patients with acute and chronic pain. With expertise in interventional pain management, he focuses on improving quality of life through opioid-sparing strategies and multidisciplinary care. Dr. Shah also leverages advancements in neuromodulation and technology to provide personalized, long-term solutions.

Years Experience
13
Medical Group Override
Off
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On
Display Middle Name
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David Dickerson

David Dickerson, MD
David Dickerson
David Dickerson
MD
Specialties
Pain Medicine
National Provider Identifier
1548581226
Employment Status/Appointment
Attending
Male
    1548581226 - 11544 - Endeavor Health Medical Group 1548581226 - 31716 - Endeavor Health Medical Group 1548581226 - 5507 - Endeavor Health Medical Group 1548581226 - 6658 - Endeavor Health Medical Group 1548581226 - 8305 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
Yes
Overall Rating
4.9
Total Ratings
62
Total Comments
25
Comments
[{"id":1768119433,"surveyKey":"10406646988","source":"PG Survey- MD","mentionTime":"2025-12-22T05:00:00Z","wordCount":46,"comment":"Dr Dickerson took the time to understand the complexity of my health condition, he was thorough, helpful and kind. It was clear he understood my condition and explained his thinking well. He had several suggestions for treatment. He and his office followed immediately on several things.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1739512961,"surveyKey":"10089610560","source":"PG Survey- MD","mentionTime":"2025-10-29T05:00:00Z","wordCount":40,"comment":"Dr. Dickerson is warm, funny, thoughtful. He explained the procedure in layman's terms. It was pain free & quick. All staff were similarly caring & patient with my questions. I'd rate them higher than a 5 if that were available.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1722722918,"surveyKey":"9801974877","source":"PG Survey- MD","mentionTime":"2025-09-17T05:00:00Z","wordCount":37,"comment":"Dr. Dickerson took time with us to make sure we understood the procedure and illustrated my problem on my MRI. Dr. D was very personable and visited me both before and after the procedure. Very pleased patient","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706707232,"surveyKey":"9652015770","source":"PG Survey- MD","mentionTime":"2025-08-16T05:00:00Z","wordCount":17,"comment":"I was listened to and I felt that he really cared about making the pain go away.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706697610,"surveyKey":"9414201982","source":"PG Survey- MD","mentionTime":"2025-07-04T05:00:00Z","wordCount":5,"comment":"Everything went well. Very informative","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1706697360,"surveyKey":"9394035828","source":"PG Survey- MD","mentionTime":"2025-07-03T05:00:00Z","wordCount":25,"comment":"He's one of the best doctors I have. I am impressed with his knowledge, skills and experience.I truly appreciate the care that I received.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768134311,"surveyKey":"9202861862","source":"PG Survey- MD","mentionTime":"2025-06-06T05:00:00Z","wordCount":17,"comment":"Dr.Dickerson is an excellent Dr. I'm so fortunate to have him as my Dr. Thank you.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768136674,"surveyKey":"9197543988","source":"PG Survey- MD","mentionTime":"2025-05-30T05:00:00Z","wordCount":5,"comment":"Compassionate and passionate, stellar clinician.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768136859,"surveyKey":"9197557346","source":"PG Survey- MD","mentionTime":"2025-05-29T05:00:00Z","wordCount":4,"comment":"All good no complaints!","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768137190,"surveyKey":"9145853489","source":"PG Survey- MD","mentionTime":"2025-05-27T05:00:00Z","wordCount":3,"comment":"Very impressive team","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768138272,"surveyKey":"9116081741","source":"PG Survey- MD","mentionTime":"2025-05-22T05:00:00Z","wordCount":18,"comment":"Dr. David Dickerson Is a sensitive and brilliant physician. Endeavor Is most fortunate to have on the staff.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768153836,"surveyKey":"8753560722","source":"PG Survey- MD","mentionTime":"2025-03-18T05:00:00Z","wordCount":7,"comment":"Everyone was professional, caring, understanding and friendly.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768156269,"surveyKey":"8684082178","source":"PG Survey- MD","mentionTime":"2025-03-07T05:00:00Z","wordCount":7,"comment":"Seemed very smart but talked very fast","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768157142,"surveyKey":"8619321343","source":"PG Survey- MD","mentionTime":"2025-03-04T05:00:00Z","wordCount":31,"comment":"Just moved from out of state to the Chicago area. My previous pain management doctor in California recommended Dr David Dickinson. I am very impressed with him and his entire staff.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768158037,"surveyKey":"8595863992","source":"PG Survey- MD","mentionTime":"2025-03-01T05:00:00Z","wordCount":13,"comment":"Dr. Dickerson is very knowledgeable and informative. He has an excellent bedside manner.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768160485,"surveyKey":"8595865969","source":"PG Survey- MD","mentionTime":"2025-02-21T05:00:00Z","wordCount":4,"comment":"He is very good","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768162884,"surveyKey":"8527473887","source":"PG Survey- MD","mentionTime":"2025-02-13T05:00:00Z","wordCount":41,"comment":"Dr Dickerson is OUTSTANDING! Not only is he the BEST of the Best he is compassionate, caring, professional and totally patient centered. Dr Dickerson goes ABOVE AND BEYOND to explain the procedure, he makes everything painless and comfortable. He is AWESOME.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768163175,"surveyKey":"8527471796","source":"PG Survey- MD","mentionTime":"2025-02-12T05:00:00Z","wordCount":15,"comment":"Dr Dickerson is an outstanding doctor. He was able to diagnose my pain problems immediately","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768164774,"surveyKey":"8477410892","source":"PG Survey- MD","mentionTime":"2025-02-06T05:00:00Z","wordCount":28,"comment":"The Doctor was excellent and took the time to discuss everything, He did not rush and was so informative. I really appreciated it . His nurse practicsoner alsowas excellent.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768165498,"surveyKey":"8477403065","source":"PG Survey- MD","mentionTime":"2025-02-04T05:00:00Z","wordCount":25,"comment":"Five years with Dr. David Dickerson as my pain medicine doctor providing exceptional care for various pain issues, has made my life much more comfortable.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768166289,"surveyKey":"8441402987","source":"PG Survey- MD","mentionTime":"2025-02-01T05:00:00Z","wordCount":25,"comment":"It was my first appointment and was only a consult. Will have treatment next week. I am hopeful that it will help with my pain.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768167673,"surveyKey":"8433365848","source":"PG Survey- MD","mentionTime":"2025-01-28T05:00:00Z","wordCount":19,"comment":"This dude really know his stuff. I believe he can help me, where others have not been able to.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768167784,"surveyKey":"8410706209","source":"PG Survey- MD","mentionTime":"2025-01-27T05:00:00Z","wordCount":48,"comment":"Dr Dickerson came prepared & patiently listened to my concerns. He made me feel like he was genuinely interested & cared about helping me. His kind and positive demeanor was comforting & reassuring. I will recommend him to family and friends. I'm so grateful to be his patient.","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768168217,"surveyKey":"8369845766","source":"PG Survey- MD","mentionTime":"2025-01-26T05:00:00Z","wordCount":1,"comment":"Excellent!","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}},{"id":1768169077,"surveyKey":"8380294785","source":"PG Survey- MD","mentionTime":"2025-01-23T05:00:00Z","wordCount":1,"comment":"Excellent","ratings":[],"overallRating":{"name":"Likelihood to recommend","value":5}}]

My endeavor is providing individualized, high-impact care for all of the members of our community.

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My treatment philosophy is to build systems that help us reach patients who need us most, using effective therapies delivered by integrated teams. Through timely diagnosis and treatment, we aim to reduce suffering and improve lives while ensuring every patient has access to the care they need.

Professional Title

David Dickerson, MD, an anesthesiologist and pain medicine specialist at Endeavor Health, provides individualized, evidence-based care for patients with complex pain conditions. With more than a decade of experience, he uses advanced technologies, including image-guided procedures and microelectrodes, to help patients reduce pain and improve function. Dr. Dickerson also leads efforts to improve opioid safety and expand access to non-opioid treatments across the health system.

Years Experience
18
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Eun-Kyu Koh

Eun-Kyu Koh, MD
Eun-Kyu Koh
Eun-Kyu Koh
MD
Specialties
Pain Medicine
National Provider Identifier
1164527347
Employment Status/Appointment
Senior Attending
Male
    1164527347 - 6658 - Endeavor Health Medical Group 1164527347 - 8305 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
Yes
Open Scheduling
Off
My Chart Scheduling
Off
Professional Title

Eun-Kyu Koh, MD, an anesthesiologist at Endeavor Health, specializes in anesthesia and pain management. With clinical expertise in pain medicine, he works with patients to manage acute and chronic pain, using a range of therapies to improve comfort and quality of life before, during and after procedures.

Years Experience
34
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Frank Clark

Frank Clark, MD
Frank Clark
Frank Clark
MD
Specialties
Pain Medicine
National Provider Identifier
1528095379
Employment Status/Appointment
Senior Attending
Male
    1528095379 - 6658 - Endeavor Health Medical Group 1528095379 - 8305 - Endeavor Health Medical Group
Provider Status
Active
Accepting Patients
No
Employed
Yes
Open Scheduling
Off
My Chart Scheduling
Off

I tailor treatment to the individual needs of each patient and aim to minimize invasive interventions whenever possible.

Professional Title

Frank Milo Clark, MD, PhD, an anesthesiologist at Endeavor Health, specializes in the management of complex pain conditions, including cancer pain, neuropathy, spinal stenosis and post-surgical pain syndromes. He tailors treatment plans to each patient’s specific needs and aims to reduce the use of invasive procedures whenever appropriate. Dr. Clark integrates evidence-based strategies to support long-term relief and improve quality of life.

Years Experience
34
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