GJ
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Johnston, Surgeon in Tiffin, OH?
Dr. Gregory Johnston, DO is a Surgeon, who primarily practices in Tiffin, OH with 2 additional practice locations. He is board certified. Dr. Johnston is fluent in English, Arabic, and French, and is currently seeing new patients. Dr. Johnston’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Johnston’s office at (419) 251-8760.
Where did Dr. Johnston go to medical school and complete their residency?
Medical School: Michigan State University College of Osteopathic Medicine
What languages does Dr. Johnston speak?
Dr. Johnston and their clinical team can communicate with patients in the following languages:
Arabic
English
French
What conditions does Dr. Johnston treat?
As a Surgeon, Dr. Johnston diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Johnston. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Intestinal Malabsorption
- Malabsorption Syndromes
- Nutrient Malabsorption
- Digestive Malabsorption
- Malabsorption Disorder
ICD-10 Codes:
- K9089: Other intestinal malabsorption
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Severe Obesity
- Obesity
- Helping Your Child Who Is Overweight
- Take Charge of Your Health: A Guide for Teenagers
- Understanding Adult Overweight & Obesity
- Morbid Obesity
- Extreme Obesity
- Class 3 Obesity
ICD-10 Codes:
- E6601: Morbid (severe) obesity due to excess calories
Also known as:
- Chronic Stomach Inflammation
- Stomach Disorder
- Gastritis & Gastropathy
- Chronic gastritis
- Long-term stomach inflammation
- Persistent stomach lining inflammation
ICD-10 Codes:
- K2950: Unspecified chronic gastritis without bleeding
Also known as:
- Dehydration
- Fluid and Electrolyte Balance
- Lack of Fluids
- Fluid Loss
- Body Water Depletion
ICD-10 Codes:
- E860: Dehydration
What procedures does Dr. Johnston perform?
As a Surgeon, Dr. Johnston performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Johnston. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Laparoscopic Gallbladder Removal
- Keyhole Gallbladder Surgery
- Cholecystectomy Laparoscopic
- Minimally Invasive Gallbladder Surgery
CPT Codes:
- 47562: Laparoscopy, surgical; cholecystectomy
Does Dr. Johnston accept my insurance?
Dr. Johnston accepts most major insurance plans. Important: Please call our office at (419) 251-8760 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Johnston accept in Tiffin, OH?
Dr. Johnston in Tiffin, OH accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Allied Benefit Systems
Blue Cross Blue Shield of Michigan
Carpenters Funds Administrative Office (CA)
CVS Health (formerly Aetna)
Medicare
State of Tennessee
SummaCare
Trustmark Insurance Company
View All Insurances
Where is Dr. Johnston's office located?
Dr. Gregory Johnston's Primary Practice
27 St Lawrence Dr Ste 201A
Tiffin, OH 44883
(419) 251-8760
Dr. Gregory Johnston's Practice 3
3930 Sunforest Ct Ste 100
Toledo, OH 43623
(419) 251-8760
What is Dr. Johnston's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Johnston's National Provider Identifier (NPI) number is 1982866109.
What common questions do patients ask about Dr. Johnston?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Johnston
What is Dr. Gregory Johnston's specialty?
Dr. Johnston is a Surgeon near Tiffin, OH. General surgeons are experts in diagnosing and managing surgical conditions which includes preoperative, operative, and postoperative care, as well as addressing complications. Their expertise include the areas such as the alimentary tract, breast, abdomen, skin and soft tissue, endocrine system, head and neck, pediatric surgery, surgical critical care, surgical oncology, trauma, burns, and vascular surgery. General surgeons increasingly utilize minimally invasive and endoscopic techniques to provide proper care. In addition to this, many general surgeons have expertise in transplantation, plastic, and cardiothoracic surgery. Contact Dr. Johnston to book an appointment today.
Is this Dr. Gregory Johnston affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Johnston is affiliated with ProMedica Monroe Regional Hospital, Mercy Health - St. Charles Hospital, Mercy Health - St. Anne Hospital, ProMedica Toledo Hospital which are a Castle Connolly Top Hospitals. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Surgeon?
Explore Surgeon with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Gregory Johnston accepting new patients in Tiffin, OH?
Yes, Dr. Gregory Johnston is accepting new patients at this time.
Does Dr. Gregory Johnston offer online booking?
Please contact Dr. Johnston's office at (419) 251-8760 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Gregory Johnston?
Please contact Dr. Johnston's office at (419) 251-8760 for information regarding telehealth appointment availability or for scheduling assistance.
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