43 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ernstoff, Gastroenterologist in Greenfield, MA?
Dr. Jon Ernstoff, MD is a Gastroenterologist, who primarily practices in Greenfield, MA with 2 additional practice locations. He has been practicing for over 43 years and is board certified. Dr. Ernstoff graduated from UniversitÈ catholique de Louvain FacultÈ de MÈdecine et de MÈdecine Dentaire and completed his residency at Metrohealth Med Ctr, Internal Medicine. Dr. Ernstoff is fluent in English and French, and is currently seeing new patients. Dr. Ernstoff’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ernstoff’s office at (203) 886-0036.
Where did Dr. Ernstoff go to medical school and complete their residency?
Residency: Metrohealth Med Ctr, Internal Medicine | Cleveland Metropolitan General Hospital | MetroHealth Medical Center Program
Medical School: Kath Univ Leuven- Fac Der Geneeskunde- Leuven- Belgium | Universite Catholique De Louvain, Faculte De Medecine | UniversitÈ catholique de Louvain FacultÈ de MÈdecine et de MÈdecine Dentaire | Catholic University Of Daegu, School Of Medicine
Is Dr. Ernstoff board certified as a Gastroenterologist?
Yes, Dr. Jon Ernstoff, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Ernstoff speak?
Dr. Ernstoff and their clinical team can communicate with patients in the following languages:
English
French
What conditions does Dr. Ernstoff treat?
As a Gastroenterologist, Dr. Ernstoff 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. Ernstoff. 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:
- GERD with Esophagitis
- Acid Reflux
- Eosinophilic Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Barrett's Esophagus
- Esophagus Disorder
- Barrett’s Esophagus
- Barrett's condition
- Esophageal metaplasia
ICD-10 Codes:
- K2270: Barrett's esophagus without dysplasia
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
What procedures does Dr. Ernstoff perform?
As a Gastroenterologist, Dr. Ernstoff 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. Ernstoff. 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:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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
Does Dr. Ernstoff accept my insurance?
Dr. Ernstoff accepts most major insurance plans. Important: Please call our office at (203) 886-0036 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ernstoff accept in Greenfield, MA?
Dr. Ernstoff in Greenfield, MA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Allied Benefit Systems
Elevance Health Inc. (formerly Anthem)
Medicaid
Medicare
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Ernstoff's office located?
What is Dr. Ernstoff's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ernstoff's National Provider Identifier (NPI) number is 1598789653.
What common questions do patients ask about Dr. Ernstoff?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ernstoff
What is Dr. Jon Ernstoff's specialty?
Dr. Ernstoff is a Gastroenterologist near Greenfield, MA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Ernstoff to book an appointment today.
Is this Dr. Jon Ernstoff affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ernstoff is affiliated with MidState Medical Center which is a Castle Connolly Top Hospital. 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 Gastroenterologist?
Explore Gastroenterologist 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 Jon Ernstoff accepting new patients in Greenfield, MA?
Yes, Dr. Jon Ernstoff is accepting new patients at this time.
Does Dr. Jon Ernstoff offer online booking?
Please contact Dr. Ernstoff's office at (203) 886-0036 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jon Ernstoff?
Please contact Dr. Ernstoff's office at (203) 886-0036 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Jon Ernstoff have?
Dr. Jon Ernstoff is certified by the American Board of Internal Medicine.
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