michigan
Specialties
Surgeon
Dr. Sean Michael O'Neill
Dr. Sean M. O\'Neill
Last updated: Aug 29, 2022

Dr. Sean M. O\'Neill

  • Gender: Male
  • Experience: 8 years
  • Graduated from: Northwestern University Feinberg Medical School
  • Graduation year: 2013
  • Sole propriator: No
  • NPI: 1720421191

Dr. Sean M. O\'Neill M.D., PH.D.

Surgeon

He is located at 14650 East Old Us Highway 12 in Chelsea, MI 48118. Can help patients with the following: Appendicitis, Colon Cancer, Cyst, Diverticulosis, Esophageal Cancer, Pilonidal Cyst. His National Provider Identifier (NPI) number is 1720421191. Appointment can be made via the phone number (734) 936-5738. He is affiliated with 1 practices and 1 hospitals.

Conditions treated

Dr. Sean Michael O'Neill, being an surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Sean M. O\'Neill.

  • Achalasia
  • Anal Fissure
  • Appendicitis
  • Boils
  • Cancer
  • Colon Cancer
  • Crohn's Disease
  • Cyst
  • Diverticulosis
  • Enlarged Spleen
  • Esophageal Cancer
  • Gallstones
  • Gangrene
  • Heart Disease
  • Hemorrhoids
  • Hernia
  • Inflammatory Bowel Disease (IBD)
  • Lymphedema
  • Pancreatitis
  • Peptic Ulcer
  • Pilonidal Cyst
  • Sebaceous Cyst
  • Ulcerative Colitis

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Sean M. O\'Neill as in-network for the following 2026 plans.

Health plans

Ambetter from Meridian

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 9 plans from Ambetter from Meridian
Ambetter from Meridian plans
Plan Plan type Network tier New patients
Clear Silver HMO · Silver Preferred Accepting new patients
Elite Gold HMO · Gold Preferred Accepting new patients
Elite Gold + Vision + Adult Dental HMO · Gold Preferred Accepting new patients
Everyday Gold HMO · Gold Preferred Accepting new patients
Everyday Gold + Vision + Adult Dental HMO · Gold Preferred Accepting new patients
Standard Gold HMO · Gold Preferred Accepting new patients
Standard Gold + Vision + Adult Dental HMO · Gold Preferred Accepting new patients
Standard Silver HMO · Silver Preferred Accepting new patients
Standard Silver + Vision + Adult Dental HMO · Silver Preferred Accepting new patients

Blue Care Network of Michigan

Network data as of Jul 9, 2026, as reported by the insurer.

Show all 16 plans from Blue Care Network of Michigan
Blue Care Network of Michigan plans
Plan Plan type Network tier New patients
Blue Cross® Preferred HMO Bronze Extra HMO · Expanded Bronze Null Accepting new patients
Blue Cross® Preferred HMO Bronze Saver HSA HMO · Expanded Bronze Null Accepting new patients
Blue Cross® Preferred HMO Bronze Secure HMO · Bronze Null Accepting new patients
Blue Cross® Preferred HMO Gold HMO · Gold Null Accepting new patients
Blue Cross® Preferred HMO Gold Extra HMO · Gold Null Accepting new patients
Blue Cross® Preferred HMO Silver HMO · Silver Null Accepting new patients
Blue Cross® Preferred HMO Silver Extra HMO · Silver Null Accepting new patients
Blue Cross® Preferred HMO Silver Saver HMO · Silver Null Accepting new patients
Blue Cross® Preferred HMO Value HMO · Catastrophic Null Accepting new patients
Blue Cross® Select HMO Bronze Extra HMO · Expanded Bronze Null Accepting new patients
Blue Cross® Select HMO Bronze Saver HSA HMO · Expanded Bronze Null Accepting new patients
Blue Cross® Select HMO Bronze Secure HMO · Bronze Null Accepting new patients
Blue Cross® Select HMO Silver HMO · Silver Null Accepting new patients
Blue Cross® Select HMO Silver Extra HMO · Silver Null Accepting new patients
Blue Cross® Select HMO Silver Saver HMO · Silver Null Accepting new patients
Blue Cross® Select HMO Value HMO · Catastrophic Null Accepting new patients

Blue Cross Blue Shield of Michigan Mutual Insurance Company

Network data as of Jul 9, 2026, as reported by the insurer.

Show all 9 plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company
Blue Cross Blue Shield of Michigan Mutual Insurance Company plans
Plan Plan type Network tier New patients
Blue Cross® Premier PPO Bronze Extra PPO · Expanded Bronze Null Not accepting new patients
Blue Cross® Premier PPO Bronze Saver HSA PPO · Expanded Bronze Null Not accepting new patients
Blue Cross® Premier PPO Bronze Secure PPO · Bronze Null Not accepting new patients
Blue Cross® Premier PPO Gold PPO · Gold Null Not accepting new patients
Blue Cross® Premier PPO Gold Extra PPO · Gold Null Not accepting new patients
Blue Cross® Premier PPO Silver PPO · Silver Null Not accepting new patients
Blue Cross® Premier PPO Silver Extra PPO · Silver Null Not accepting new patients
Blue Cross® Premier PPO Silver Saver HSA PPO · Silver Null Not accepting new patients
Blue Cross® Premier PPO Value PPO · Catastrophic Null Not accepting new patients

McLaren Health Plan Community

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 27 plans from McLaren Health Plan Community
McLaren Health Plan Community plans
Plan Plan type Network tier New patients
MHP Bronze HMO · Bronze In Network Accepting new patients
MHP Bronze HMO · Bronze Out of Network Accepting new patients
MHP Bronze HMO · Bronze Rewards Accepting new patients
MHP Bronze Saver (Expanded) HMO · Expanded Bronze In Network Accepting new patients
MHP Bronze Saver (Expanded) HMO · Expanded Bronze Out of Network Accepting new patients
MHP Bronze Saver (Expanded) HMO · Expanded Bronze Rewards Accepting new patients
MHP Expanded Bronze Standard HMO · Expanded Bronze In Network Accepting new patients
MHP Expanded Bronze Standard HMO · Expanded Bronze Out of Network Accepting new patients
MHP Expanded Bronze Standard HMO · Expanded Bronze Rewards Accepting new patients
MHP Gold HMO · Gold In Network Accepting new patients
MHP Gold HMO · Gold Out of Network Accepting new patients
MHP Gold HMO · Gold Rewards Accepting new patients
MHP Gold Standard HMO · Gold In Network Accepting new patients
MHP Gold Standard HMO · Gold Out of Network Accepting new patients
MHP Gold Standard HMO · Gold Rewards Accepting new patients
MHP Silver Exchange HMO · Silver In Network Accepting new patients
MHP Silver Exchange HMO · Silver Out of Network Accepting new patients
MHP Silver Exchange HMO · Silver Rewards Accepting new patients
MHP Silver Exchange Rewards HMO · Silver In Network Accepting new patients
MHP Silver Exchange Rewards HMO · Silver Out of Network Accepting new patients
MHP Silver Exchange Rewards HMO · Silver Rewards Accepting new patients
MHP Silver Standard HMO · Silver In Network Accepting new patients
MHP Silver Standard HMO · Silver Out of Network Accepting new patients
MHP Silver Standard HMO · Silver Rewards Accepting new patients
MHP Young Adult/Catastrophic HMO · Catastrophic In Network Accepting new patients
MHP Young Adult/Catastrophic HMO · Catastrophic Out of Network Accepting new patients
MHP Young Adult/Catastrophic HMO · Catastrophic Rewards Accepting new patients

Priority Health

Network data as of Aug 26, 2026, as reported by the insurer.

Show all 9 plans from Priority Health
Priority Health plans
Plan Plan type Network tier New patients
MyPriority Balanced Silver HMO · Silver Mypriority HMO Accepting new patients
MyPriority Premier Silver HMO · Silver Mypriority HMO Accepting new patients
MyPriority Standard Bronze HMO · Expanded Bronze Mypriority HMO Accepting new patients
MyPriority Standard Bronze - Travel HMO · Expanded Bronze Mypriority HMO Accepting new patients
MyPriority Standard Gold HMO · Gold Mypriority HMO Accepting new patients
MyPriority Standard Silver HMO · Silver Mypriority HMO Accepting new patients
MyPriority Standard Silver - Travel HMO · Silver Mypriority HMO Accepting new patients
MyPriority Value Bronze HMO · Expanded Bronze Mypriority HMO Accepting new patients
MyPriority Value Bronze HSA HMO · Expanded Bronze Mypriority HMO Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Sean M. O\'Neill is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Sean M. O\'Neill is enrolled to bill Medicare as a Practitioner - General Surgery .

Bills through: Regents Of The University Of Michigan

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

St. Jude Medical $104

Other

Food and Beverage $104

Studies

NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL

Graduated in 2013

Affiliated practices

UCLA Pediatric Surgery Associates
200 Medical Plaza
Los Angeles, 90095 CA
(310) 206-2429

Affiliated hospitals

OHIO STATE UNIVERSITY STATE HEALTH SYSTEM
410 WEST 10TH AVENUE
COLUMBUS, 43210 OH
(614) 293-9700

Looking for more Surgeons?

Here are surgeons in Michigan you may want to explore.

Dr. Karen Sue Ogle
  • Gender: Female
  • Address: 200 Jefferson Avenue Southeast Grand Rapids, 49503, MI
Dr. Michael Maiden
  • Gender: Male
  • Address: 44405 Woodward Avenue Pontiac, 48341, MI
Dr. David Michael Bartholomew
  • Gender: Male
  • Address: Suite 208 363 Fremont Street Battle Creek, 49017, MI
Dr. John J. Fath
  • Gender: Male
  • Address: 18101 Oakwood Boulevard Dearborn, 48124, MI
Dr. Samantha Denae Kraemer
  • Gender: Female
  • Address: 3601 West 13 Mile Road Royal Oak, 48073, MI
Dr. Christopher Wilhelmson
  • Gender: Male
  • Address: Suite 208 363 Fremont Street Battle Creek, 49017, MI
Dr. Khanghy D. Nguyen
  • Gender: Male
  • Address: 800 East Columbia Street Mason, 48854, MI
Dr. Thomas Daniel Oweis
  • Gender: Male
  • Address: 36475 5 Mile Road Livonia, 48154, MI
Dr. Todd Craig Welton
  • Gender: Male
  • Address: Suite 100 222 North Kalamazoo Mall Kalamazoo, 49007, MI
Dr. Ghassan Al Ramahi
  • Gender: Male
  • Address: 1 Hurley Plaza Flint, 48503, MI

Questions & Answers

Does Dr. Sean Michael O'Neill have affiliation with practices?

Dr. Sean Michael O'Neill is affiliated with UCLA Pediatric Surgery Associates.

Does Dr. Sean Michael O'Neill accept insurance?

Dr. Sean Michael O'Neill is listed in-network for 70 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter from Meridian, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, McLaren Health Plan Community, Priority Health. See the Marketplace plans section for details.

What conditions does Dr. Sean Michael O'Neill treat?

Dr. Sean Michael O'Neill provides treatment for Appendicitis, Colon Cancer, Cyst, Diverticulosis, Esophageal Cancer, Pilonidal Cyst. For the full list see this list.

Where can you meet with Dr. Sean Michael O'Neill?

Dr. Sean Michael O'Neill's office is located at 14650 East Old Us Highway 12 in Chelsea, MI 48118.

Has Dr. Sean Michael O'Neill affiliation with hospitals?

Dr. Sean Michael O'Neill is affiliated with OHIO STATE UNIVERSITY STATE HEALTH SYSTEM.