DG
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Grunwald, Gastroenterologist in Hamden, CT?
Dr. Douglas Grunwald, MD is a Gastroenterologist, who primarily practices in Hamden, CT with 2 additional practice locations. He is board certified. Dr. Grunwald is fluent in English, and is currently seeing new patients. Dr. Grunwald’s practice accepts Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Grunwald’s office at (203) 281-4463.
What languages does Dr. Grunwald speak?
Dr. Grunwald and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Grunwald treat?
As a Gastroenterologist, Dr. Grunwald 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. Grunwald. 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:
- 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
- Other Digestive Symptoms
- Colonic Polyps
- Digestive Disease
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
- Unspecified Abdominal Symptoms
- Other Belly Problems
- Digestive System Issues
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860100: Personal history of colon polyps, unspecified
- R198: Other specified symptoms and signs involving the digestive system and abdomen
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Crohn's Disease Affecting Small and Large Intestines
- Crohn's Disease
- Crohn’s Disease
- Complicated Crohn's Disease', 'Inflammatory Bowel Disease (IBD) with Complications', 'Panenteric Crohn's with Complications
- Small Bowel Crohn's with Issues', 'Ileitis with Complications', 'Complicated Small Intestine Crohn's
- Panenteric Crohn's Disease
- Crohn's of Both Bowels', 'Generalized Crohn's Disease
ICD-10 Codes:
- K50819: Crohn's disease of both small and large intestine with unspecified complications
- K50019: Crohn's disease of small intestine with unspecified complications
- K5080: Crohn's disease of both small and large intestine without complications
Also known as:
- Upper Middle Abdominal Pain
- Widespread Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
- General stomach pain
- Overall belly pain
- Diffuse abdominal pain
ICD-10 Codes:
- R1013: Epigastric pain
- R1084: Generalized abdominal pain
Also known as:
- Ulcerative Pancolitis
- Ulcerative Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
- Inflammatory Bowel Disease (IBD)
- Chronic Pancolitis with Complications
- Extensive Ulcerative Colitis with Complications
- Inflammatory Bowel Disease (IBD) with Complications
ICD-10 Codes:
- K5100: Ulcerative (chronic) pancolitis without complications
- K51019: Ulcerative (chronic) pancolitis with unspecified complications
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Other Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Swallowing problems
ICD-10 Codes:
- R1319: Other dysphagia
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Iron Deficiency Anemia from Chronic Blood Loss
- Anemia
- Iron
- Anemia due to iron deficiency and blood loss
- Chronic blood loss anemia
- Low iron anemia from bleeding
ICD-10 Codes:
- D500: Iron deficiency anemia secondary to blood loss (chronic)
Also known as:
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- GI Bleeding
- Internal Digestive Bleeding
- Digestive Tract Hemorrhage
ICD-10 Codes:
- K922: Gastrointestinal hemorrhage, unspecified
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Which procedures does Dr. Grunwald perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Douglas Grunwald may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Grunwald's office.
Does Dr. Grunwald accept my insurance?
Dr. Grunwald accepts most major insurance plans. Important: Please call our office at (203) 281-4463 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Grunwald accept in Hamden, CT?
Dr. Grunwald in Hamden, CT accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CarePartners of Connecticut
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
EmblemHealth
Express Scripts
Medicare
OptumRx
State of Connecticut
UnitedHealthcare
View All Insurances
Where is Dr. Grunwald's office located?
Dr. Douglas Grunwald's Primary Practice
2200 Whitney Ave Ste 360
Hamden, CT 06518
(203) 281-4463
Dr. Douglas Grunwald's Practice 2
1591 Boston Post Rd Ste 206
Guilford, CT 06437
(203) 458-4463
What is Dr. Grunwald's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Grunwald's National Provider Identifier (NPI) number is 1154616001.
What common questions do patients ask about Dr. Grunwald?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Grunwald
What is Dr. Douglas Grunwald's specialty?
Dr. Grunwald is a Gastroenterologist near Hamden, CT. 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. Grunwald to book an appointment today.
Is this Dr. Douglas Grunwald affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Grunwald is affiliated with Smilow Cancer Hospital At Yale New Haven 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 Douglas Grunwald accepting new patients in Hamden, CT?
Yes, Dr. Douglas Grunwald is accepting new patients at this time.
Does Dr. Douglas Grunwald offer online booking?
Please contact Dr. Grunwald's office at (203) 281-4463 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Douglas Grunwald?
Please contact Dr. Grunwald's office at (203) 281-4463 for information regarding telehealth appointment availability or for scheduling assistance.
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