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Dr. Gregory Johnston, DO

General Surgery*
3.5 (4)
Map Pin Small Toledo, OH
Accepting new patients
16 years of experience

Offers telehealth

Overview of Dr. Gregory Johnston, DO

Dr. Gregory Johnston, DO is a General Surgery Specialist in Toledo, OH. They specialize in General Surgery, has 16 years of experience, and is board certified in General Surgery. They graduated from Michigan State University College of Osteopathic Medicine and is affiliated with Mercy Health - St. Vincent Medical Center and Mercy Health Defiance Hospital. Patients rated Dr. Johnston an average 3.5 star rating.

Dr. Johnston works at Practice in Toledo, OH with other offices in Perrysburg, OH, Tiffin, OH and Defiance, OH. They frequently treat conditions like Diaphragmatic and Hiatal Hernia along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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Dr. Johnston's Office Locations

  1. 1
    Mercy Health - Sunforest Outpatient Rehabilitation and Therapy
    3930 Sunforest Ct Ste 100, Toledo, OH 43623 Icon Directions Right Arrow Directions Phone Icon (419) 251-8760
  2. 2
    Mercy Health - Toledo Weight Management Solutions
    1103 Village Square Dr Ste 200, Perrysburg, OH 43551 Icon Directions Right Arrow Directions Phone Icon (419) 251-8760
  3. 3
    Mercy Health Tiffin Hospital
    27 St Lawrence Dr Ste 201, Tiffin, OH 44883 Icon Directions Right Arrow Directions Phone Icon (419) 251-8760
  4. 4
    Mercy Health Physicians -defiance Clinic
    1400 E 2nd St, Defiance, OH 43512 Icon Directions Right Arrow Directions Phone Icon (419) 784-1414

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • Mercy Health - St. Vincent Medical Center
  • Mercy Health Defiance Hospital

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Diaphragmatic and Hiatal Hernia
Sleeve Gastrectomy
Gallbladder Removal

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Diaphragmatic and Hiatal Hernia
Sleeve Gastrectomy
Gallbladder Removal
Abdominal Pain
Cholecystitis and Gallstones
Constipation
Gallstones
Gastric Ulcer
Incisional Hernia
Inguinal Hernia
Intestinal Obstruction
Lipomas
  • View other providers who treat Lipomas
Umbilical Hernia
Bariatric Surgery (Weight Loss Surgery)
Cholecystectomy with Robotic Assist
Duodenal Polypectomy
Endoscopy (Esophagus, Stomach, Small Intestine)
Laparoscopic Gallbladder Removal (Cholecystectomy)
Laparoscopic Gastric Bypass Surgery
Laparoscopic Incisional Hernia Repair
Liver Biopsy
Acute Bowel Infarction
Adrenal Gland Cancer
Anal and Rectal Cancer
Anal Fissure
Anal or Rectal Pain
Appendicitis
Ascites
  • View other providers who treat Ascites
Barrett's Esophagus
Benign Mediastinal Tumor
Benign Neoplasm of the Digestive System
Biliary Atresia
Bladder Diverticulum
Boerhaave's Syndrome
Breast Cancer
Breast Lump
Cholangiocarcinoma
Collapsed Lung (Pneumothorax)
Colorectal Cancer
Congenital Anomaly Esophagus
Congenital Anomaly Intestine
Crohn's Disease
Ductal Carcinoma in Situ
Esophageal Achalasia and Cardiospasm
Esophageal Cancer
Esophageal Diverticulum
Esophageal Varices
Gallbladder and Biliary Tract Cancer
Gastroparesis
Gynecologic Cancer
Hemorrhoids
Hiatal Hernia
Hidradenitis
Hyperparathyroidism
Ileus
  • View other providers who treat Ileus
Inflammatory Bowel Disease
Inguinal Hernia with Gangrene
Intestinal Abscess
Intestinal Diverticulosis
Intestinal Prolapse
Ischemic Colitis
Liver Cancer
Median Arcuate Ligament Syndrome (MALS)
Neoplasm of Gastrointestinal Tract
Neuroendocrine Tumors
Obstructed Inguinal Hernia
Parathyroid (Gland) Disease
Partial Lung Collapse
Peptic Ulcer
Peripheral Arterial Aneurysm
Peripheral Arterial Aneurysm and Dissection
Peripheral Arterial Embolism and Thrombosis
Peripheral Vascular Disease (PAD, PVD)
Phlebitis and Thrombophlebitis
Pleural Effusion
Primary Biliary Cholangitis
Pyloric Stenosis
Ruptured Aortic Aneurysm
Secondary Malignancies
Small Intestine Cancer
Soft Tissue Sarcoma
Stomach Cancer
Thyroid Nodule
Traumatic Brain Injury
Ulcerative Colitis
Vascular Insufficiency of Intestines
Ventral Hernia
Abdominoplasty
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
Acid Reflux Surgery
Adjacent Tissue Transfer
Arterial Catheterization with Robotic Assist
Bile Duct Procedure
Biopsy of Breast
Carotid Endarterectomy (CEA) or Excision of Infected Graft
Colectomy
Colectomy Sigmoidectomy with Robotic Assist
Colostomy
Dressing and-or Debridement of Wound, Infection, or Burn
Enterostomy (Laparoscopic or Open)
Esophagectomy (Esophagogastrostomy, Esophagojejunostomy)
Excision of Stomach Tumor
Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
Femoral Hernia Repair, Open
Gallbladder Removal (Cholecystectomy)
Gastrectomy
Gastrectomy with Robotic Assist
Gastric Bypass Surgery, Open
Gastric Restrictive With Partial Gastrectomy or Jejunojejunostomy
Gastrotomy
Hernia Repair
Intestinal Transplant (incl. Enterectomy)
Laparoscopic Appendectomy
Laparoscopic Cholecystectomy Robotic Assist
Laparoscopic Cholecystectomy With Robotic Assistance
Laparoscopic Excision or Destruction of Ovary
Laparoscopic Inguinal Hernia Repair
Laparoscopic Removal of Stones from Biliary Tract
Laparoscopic Revision Gastric Restrictive Procedure
Laparoscopic Sigmoidectomy With Robotic Assistance
Laparoscopic Umbilical or Ventral Hernia Repair
Laparotomy
Lumpectomy
Open Appendectomy
Open Diaphragmatic or Paraesophageal Hiatal Hernia Repair
Open Incisional or Ventral Hernia Repair
Open Inguinal Hernia Repair
Paraesophageal Hernia Repair Robotic Assist
Paraesophageal Hernia Repair, Laparoscopic
Port Placements or Replacements
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Repair of Anal and Rectal Defects (Anoplasty, Repair of Imperforate Anus, Sphincteroplasty, Rectal Graft)
Revision of Gastric Anastomosis or Restrictive Procedure
Robotic Heller Myotomy for the Treatment of Achalasia
Soft Tissue Tumor Removal
Splenectomy
Splenectomy with Robotic Assist
Thoracentesis
Tracheal Surgery
Umbilical Hernia Repair Open
Vagotomy
  • View other providers who treat Vagotomy
Ventral Hernia Repair Laparoscopic
Ventral Hernia Repair Open
Wedge Resection Colon
Wound Repair
Check your insurance
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    Please double-check when making an appointment.

    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Blue Cross Blue Shield
    • Blue Cross Blue Shield of Michigan
    • Cigna
    • First Health
    • HAP Insurance
    • Humana
    • Medical Mutual of Ohio
    • SummaCare
    • UnitedHealthCare

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
    Reviews are displayed in date order and collected from patients who have agreed to reporting accurate and fair reviews. Providers with no reviews may have a new FindCare profile, or no submitted reviews on FindCare yet.

    Learn more about how FindCare's ratings and reviews work

    3.5
    Average provider rating
    Based on 4 ratings
    Patient Ratings (4)
    5 Star
    (2)
    4 Star
    (0)
    3 Star
    (1)
    2 Star
    (0)
    1 Star
    (1)
    Leave a review

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    Dr. Johnston's Office & Staff

    • Ease of scheduling urgent appointments
    • Office environment, cleanliness, comfort, etc.
    • Staff friendliness and courteousness
    • Total wait time (waiting & exam rooms)

    Experience with Dr. Johnston

    • Level of trust in provider's decisions
    • How well provider explains medical condition(s)
    • How well provider listens and answers questions
    • Hpends appropriate amount of time with patients

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    About Dr. Gregory Johnston, DO

    Specialties*
    • General Surgery

    • *Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
    Specialties*
    Years of Experience
    • 16 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1982866109
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Medical Education
    • Michigan State University College of Osteopathic Medicine
    Medical Education
    Board Certifications
    • General Surgery
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Gregory Johnston, DO is accepting new patients on Healthline FindCare. You can check to see if Dr. Johnston is offering online scheduling or call the provider’s office for more information.

    Dr. Johnston has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Johnston has seen patients for Diaphragmatic and Hiatal Hernia, and more. You can see other conditions treated by Dr. Johnston on their profile. Please call the provider’s office to confirm all visit reasons.

    4 patients have reviewed Dr. Johnston. The overall rating for this provider is 3.5. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Johnston.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Johnston, there are benefits to both methods. A person calling to schedule an with Dr. Johnston appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

    Telehealth Options
    This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Johnston, or would you like to choose another provider and have an online appointment right now?
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    Call now to make an appointment
    (419) 251-8760

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