Dr. John L. Zapas
- Gender: Male
- Experience: 30 years
- Graduated from: University Of Maryland School Of Medicine
- Graduation year: 1991
- Sole propriator: Yes
- NPI: 1487613022
Dr. John L. Zapas M.D.
Surgeon
He is located at 501 West 7th Street in Frederick, MD 21701. Can help patients with the following: Appendicitis, Bile Duct Cancer, Breast Cancer, Colon Cancer, Gallbladder Cancer, Non-Hodgkin's Lymphoma (NHL). His National Provider Identifier (NPI) number is 1487613022. Appointment can be made via the phone number (301) 663-9573. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. John L. Zapas, being an surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John L. Zapas.
- Achalasia
- Anal Fissure
- Appendicitis
- Bile Duct Cancer
- Boils
- Breast Cancer
- Cancer
- Carcinoid Tumor
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallbladder Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Melanoma
- Non-Hodgkin's Lymphoma (NHL)
- Pancreatic Cancer
- Pancreatitis
- Peptic Ulcer
- Pheochromocytoma (PCC)
- Pilonidal Cyst
- Sebaceous Cyst
- Skin Cancer
- Thyroid Cancer
- Ulcerative Colitis
Procedures Performed by Dr. John L. Zapas
Medicare Enrollment
Dr. John L. Zapas is enrolled to bill Medicare as a Practitioner - Surgical Oncology .
Bills through: Frederick Health Medical Group Llc
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated in 1991Additional Specialities
- Oncological Surgeon
Looking for more Surgeons?
There are 8 other surgeons in this region.
- Gender: Male
- Address: 501 West 7th Street Frederick, 21701, MD
- Gender: Male
- Address: 194 Thomas Johnson Drive Suite C Frederick, 21702, MD
- Gender: Male
- Address: 225 South Center Avenue Somerset, 15501, PA
- Gender: Male
- Address: 501 West 7th Street Frederick, 21701, MD
- Gender: Male
- Address: 13849 Russell Zepp Drive Clarksville, 21029, MD
- Gender: Female
- Address: 174 Thomas Johnson Drive Suite 100 Frederick, 21702, MD
- Gender: Male
- Address: 400 West 7th Street Frederick, 21701, MD
- Gender: Male
- Address: Suite D 501 West 7th Street Frederick, 21701, MD
Questions & Answers
What conditions does Dr. John L. Zapas treat?
Dr. John L. Zapas provides treatment for Appendicitis, Bile Duct Cancer, Breast Cancer, Colon Cancer, Gallbladder Cancer, Non-Hodgkin's Lymphoma (NHL). For the full list see this list.
Has Dr. John L. Zapas affiliation with hospitals?
Dr. John L. Zapas is affiliated with FREDERICK MEMORIAL HOSPITAL.
Where can you meet with Dr. John L. Zapas?
Dr. John L. Zapas's office is located at 501 West 7th Street in Frederick, MD 21701.
Does Dr. John L. Zapas have affiliation with practices?
Dr. John L. Zapas is affiliated with Monocacy Health Partners.