NC
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Callahan, Gastroenterologist in Malvern, PA?
Dr. Norman Callahan, DO is a Gastroenterologist, who primarily practices in Malvern, PA. He is board certified. Dr. Callahan graduated from Pennsylvania State Univ College of Medicine and completed his residency at PCOM/Lankenau Medical Center Program. Dr. Callahan is fluent in English, and is currently seeing new patients. Dr. Callahan’s practice accepts Cigna, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Callahan’s office at (610) 644-6755.
What are Areas of Expertise for Dr. Callahan?
Dr. Norman Callahan, DO is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Callahan empowers patients to confidently navigate their health journey, specializing in Endoscopy, Esophageal Disorders, Liver Disease, or comprehensive wellness support. Serving the Malvern/PA community, Dr. Callahan is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Callahan go to medical school and complete their residency?
Residency: PCOM/Lankenau Medical Center Program
Medical School: Pennsylvania State Univ College of Medicine
What languages does Dr. Callahan speak?
Dr. Callahan and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Callahan treat?
As a Gastroenterologist, Dr. Callahan 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. Callahan. 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
- Non-Infectious Gastroenteritis and Colitis
- Colonic Polyps
- Digestive Disease
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
- Inflammation of Stomach and Intestines
- Non-Bacterial Colitis
- Gut Inflammation
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- K529: Noninfective gastroenteritis and colitis, unspecified
Also known as:
- Ulcerative Pancolitis
- Ulcerative Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
- Inflammatory Bowel Disease (IBD)
- Colitis
- Chronic Colitis
ICD-10 Codes:
- K5100: Ulcerative (chronic) pancolitis without complications
- K5150: Left sided colitis without complications
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
- D649: Anemia, unspecified
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:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Crohn's Disease Affecting Small and Large Intestines
- Crohn's Disease of the Large Intestine
- Crohn's Disease
- Crohn’s Disease
- Panenteric Crohn's Disease
- Crohn's of Both Bowels', 'Generalized Crohn's Disease
- Large Bowel Crohn's
- Crohn's Colitis', 'Colonic Crohn's Disease
ICD-10 Codes:
- K5080: Crohn's disease of both small and large intestine without complications
- K5010: Crohn's disease of large intestine without complications
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:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Other Esophagus Condition
- Esophagus Disorder
- Various esophageal diseases
- Miscellaneous esophagus problems
- Other food pipe issues
ICD-10 Codes:
- K2289: Other specified disease of esophagus
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Abnormal Digestive Tract Imaging
- Abnormal GI scan
- Unusual digestive imaging
- Digestive system imaging findings
ICD-10 Codes:
- R933: Abnormal findings on diagnostic imaging of other parts of digestive tract
Which procedures does Dr. Callahan perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Norman Callahan 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. Callahan's office.
Does Dr. Callahan accept my insurance?
Dr. Callahan accepts most major insurance plans. Important: Please call our office at (610) 644-6755 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Callahan accept in Malvern, PA?
Dr. Callahan in Malvern, PA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
ConnectiveRx
CVS Health (formerly Aetna)
Express Scripts
Highmark Inc.
Humana
Independence Blue Cross
Independent Health
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Callahan's office located?
Dr. Norman Callahan's Primary Practice
325 Central Ave Ste 200
Malvern, PA 19355
(610) 644-6755
What is Dr. Callahan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Callahan's National Provider Identifier (NPI) number is 1851367783.
What common questions do patients ask about Dr. Callahan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Callahan
What is Dr. Norman Callahan's specialty?
Dr. Callahan is a Gastroenterologist near Malvern, PA. 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. Callahan to book an appointment today.
Is this Dr. Norman Callahan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Callahan is affiliated with Paoli Hospital 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 Norman Callahan accepting new patients in Malvern, PA?
Yes, Dr. Norman Callahan is accepting new patients at this time.
Does Dr. Norman Callahan offer online booking?
Please contact Dr. Callahan's office at (610) 644-6755 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Norman Callahan?
Please contact Dr. Callahan's office at (610) 644-6755 for information regarding telehealth appointment availability or for scheduling assistance.
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