John A. Semian
Advanced in Ogilvie Syndrome

Dr. John A. Semian

General Surgery
Geisinger Health System
Geisinger Shamokin Area Community Hospital - General Surgery
4203 Hospital Road, 
Coal Township, PA 
Accepting New Patients

Advanced in Ogilvie Syndrome
Geisinger Health System
Geisinger Shamokin Area Community Hospital - General Surgery
4203 Hospital Road, 
Coal Township, PA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Dr. Semian is a board-certified general surgeon. His clinical interests include abdominal wall reconstruction, hernia, gallbladder and acute care. His research interests include acute care surgery and hernia surgery. Dr. Semian obtained his medical degree from Rutgers, the State University of New Jersey. He completed his residency at St. Barnabas Medical Center. Dr. Semian is certified by the American Board of Surgery.

Dr. Semian is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Hernia, Gallbladder Disease, Gallstones, Hernia Surgery, and Ileostomy.

His clinical research consists of co-authoring 2 peer reviewed articles. MediFind looks at clinical research from the past 15 years.

Graduate Institution
UMDNJ - New Jersey Medical School - Newark, NJ, 1995 - Doctor Of Medicine
Residency
Saint Barnabas Medical Center, 2000
Specialties
General Surgery
Licenses
Specialist in PA
Board Certifications
The American Board Of Surgery
Hospital Affiliations
Geisinger Medical Center
Geisinger-Bloomsburg Hospital
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Capital Blue Cross
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • OTHER MEDICARE PART D
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Gateway Health Plan
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE SNP
  • OTHER MEDICARE PART D
Geisinger
  • HMO
  • POS
  • PPO
Health Partners Plans
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Highmark
  • EPO
  • HMO
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Moda Health
  • EPO
  • PPO
PA Health and Wellness
  • HMO
  • MANAGED MEDICAID PLAN
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
UPMC
  • EPO
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 12 Less Insurance Carriers -

Locations

Geisinger Shamokin Area Community Hospital - General Surgery
4203 Hospital Road, Coal Township, PA 17866
Call: 800-275-6401
Other Locations
Geisinger Medical Center - General Surgery
100 North Academy Avenue, Danville, PA 17822
Call: 800-275-6401
Geisinger Medical Center - Trauma Surgery
100 North Academy Avenue, Danville, PA 17822
Call: 800-275-6401

Additional Areas of Focus

Dr. Semian has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Hernia

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


2 Total Publications

Acute Kidney Injury After Large Ventral Hernia Repair Requiring Transversus Abdominis Release.
Acute Kidney Injury After Large Ventral Hernia Repair Requiring Transversus Abdominis Release.
Journal: The American surgeon
Published: November 03, 2021
View All 2 Publications
Similar Doctors
Kristina M. Thornburg
Distinguished in Ogilvie Syndrome
Dr. Kristina M. Thornburg
General Surgery
Distinguished in Ogilvie Syndrome
Dr. Kristina M. Thornburg
General Surgery

Geisinger St Lukes Medical Office Building Orwigsburg - General Surgery

1165 Centre Turnpike, Suite RT61, 
Orwigsburg, PA 
 (35.2 miles away)
570-968-1300
Experience:
17+ years
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Kristina Thornburg, DO, is a board-certified general surgeon. She provides care for people who need a wide range of surgical procedures, including minimally invasive hernia repair, treatment for breast cancer and breast cysts, and the removal of colon cancer. She also provides treatment for a variety of conditions including gallbladder disease, skin lesions, lipomas, diverticulitis and diverticulosis.|Dr. Thornburg has a clinical interest in robotic hernia surgery and ultrasound-guided breast biopsy.|Board-certified in general surgery, Dr. Thornburg earned her Doctor of Osteopathic Medicine from the Philadelphia College of Osteopathic Medicine. She completed a general surgery residency at Geisinger Wyoming Valley Medical Center in Wilkes-Barre, where she served as chief resident.|A native of Schuylkill County, Dr. Thornburg is dedicated to understanding and addressing the unique needs of her community.|In 2016 and 2018, Dr. Thornburg received the Geisinger Top Patient Experience Clinician Award in recognition of her commitment to providing excellent care for her patients.|She is an active member of several organizations, including the American College of Osteopathic Surgeons, American Society of Breast Surgeons, Pennsylvania Medical Society and American Osteopathic Association.|In her spare time, Dr. Thornburg enjoys spending time with her family and friends. Dr. Thornburg is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. Her top areas of expertise are Ogilvie Syndrome, Cellulitis, Paget Disease of the Breast, Colostomy, and Hernia Surgery.

Distinguished in Ogilvie Syndrome
Dr. Thomas G. Donkar
General Surgery | Colorectal Surgery
Distinguished in Ogilvie Syndrome
Dr. Thomas G. Donkar
General Surgery | Colorectal Surgery

St Lukes Physician Group Inc

500 St Lukes Dr, 
Lehighton, PA 
 (49.5 miles away)
484-526-2200
Experience:
18+ years
Languages Spoken:
English
See accepted insurances

Thomas Donkar is a General Surgeon and a Colorectal Surgeon in Lehighton, Pennsylvania. Dr. Donkar has been practicing medicine for over 18 years and is rated as an Advanced provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Hernia, Ogilvie Syndrome, Cellulitis, Hernia Surgery, and Colostomy.

Advanced in Ogilvie Syndrome
Dr. Michael F. Martinez
General Surgery
Advanced in Ogilvie Syndrome
Dr. Michael F. Martinez
General Surgery

St Lukes Physician Group Inc

360 W Riddle St, 
Coaldale, PA 
 (37.5 miles away)
Languages Spoken:
English
See accepted insurances

Michael Martinez is a General Surgeon in Coaldale, Pennsylvania. Dr. Martinez is rated as a Distinguished provider by MediFind in the treatment of Ogilvie Syndrome. His top areas of expertise are Hernia, Choledocholithiasis, Cellulitis, Colostomy, and Gastrostomy.

VIEW MORE OGILVIE SYNDROME DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Semian's expertise for a condition
ConditionClose
    • Distinguished
    • Hernia
      Dr. Semian is
      Distinguished
      . Learn about Hernia.
      See more Hernia experts
    • Advanced
    • Cholecystitis
      Dr. Semian is
      Advanced
      . Learn about Cholecystitis.
      See more Cholecystitis experts
    • Choledocholithiasis
      Dr. Semian is
      Advanced
      . Learn about Choledocholithiasis.
      See more Choledocholithiasis experts
    • Gallbladder Disease
      Dr. Semian is
      Advanced
      . Learn about Gallbladder Disease.
      See more Gallbladder Disease experts
    • Gallstones
      Dr. Semian is
      Advanced
      . Learn about Gallstones.
      See more Gallstones experts
    • Gastrointestinal Fistula
      Dr. Semian is
      Advanced
      . Learn about Gastrointestinal Fistula.
      See more Gastrointestinal Fistula experts
    • Hernia Surgery
      Dr. Semian is
      Advanced
      . Learn about Hernia Surgery.
      See more Hernia Surgery experts
    View All 7 Advanced Conditions
    • Experienced
    • Biliary Dyskinesia
      Dr. Semian is
      Experienced
      . Learn about Biliary Dyskinesia.
      See more Biliary Dyskinesia experts
    • Cellulitis
      Dr. Semian is
      Experienced
      . Learn about Cellulitis.
      See more Cellulitis experts
    • Childhood Pancreatitis
      Dr. Semian is
      Experienced
      . Learn about Childhood Pancreatitis.
      See more Childhood Pancreatitis experts
    • Chronic Pancreatitis
      Dr. Semian is
      Experienced
      . Learn about Chronic Pancreatitis.
      See more Chronic Pancreatitis experts
    • Colonic Malakoplakia
      Dr. Semian is
      Experienced
      . Learn about Colonic Malakoplakia.
      See more Colonic Malakoplakia experts
    • Colostomy
      Dr. Semian is
      Experienced
      . Learn about Colostomy.
      See more Colostomy experts
    View All 22 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

      Patient Details

      This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

                0 / 1000
                0 / 1000
                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.