Dr. John Downs
- Gender: Male
- Experience: 38 years
- Graduated from: University Of Missouri, Columbia School Of Medicine
- Graduation year: 1983
- Sole propriator: No
- NPI: 1811922610
Dr. John Downs MD
Colorectal Surgeon
He is located at 8315 Walnut Hill Lane Suite 220 in Dallas, TX 75231. Can help patients with the following: Anal Fissure, Colon Cancer, Cyst, Esophageal Cancer, Gangrene, Heart Disease. His National Provider Identifier (NPI) number is 1811922610. Appointment can be made via the phone number (214) 363-6123. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
J. Marcus Downs, being an colorectal 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 Downs.
- Achalasia
- Anal Fissure
- Appendicitis
- Boils
- Cancer
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Sebaceous Cyst
- Ulcerative Colitis
Procedures Performed by Dr. John Downs
Insurances Accepted by Dr. John Downs
- Medicare
Medicare Enrollment
Dr. John Downs is enrolled to bill Medicare as a Practitioner - Colorectal Surgery (proctology) .
Bills through: Texas Oncology Pa
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Payments received
Drug payment
| Intuitive Surgical | $2803 |
| Mallinckrodt | $324 |
| Janssen | $279 |
Other
| Food and Beverage | $2669 |
| Travel and Lodging | $1679 |
Studies
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Graduated in 1983Additional Specialities
- Surgeon
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Questions & Answers
Does J. Marcus Downs accept patients with Medicare?
Yes, J. Marcus Downs accepts patients with Medicare.
Has J. Marcus Downs affiliation with hospitals?
J. Marcus Downs is affiliated with TEXAS HEALTH PRESBYTERIAN HOSPITAL DALLAS. For the full list of hospitals see this list.
What conditions does J. Marcus Downs treat?
J. Marcus Downs provides treatment for Anal Fissure, Colon Cancer, Cyst, Esophageal Cancer, Gangrene, Heart Disease. For the full list see this list.
Does J. Marcus Downs have affiliation with practices?
J. Marcus Downs is affiliated with Texas Colon & Rectal Surgeons LLP.
Where can you meet with J. Marcus Downs?
J. Marcus Downs's office is located at 8315 Walnut Hill Lane Suite 220 in Dallas, TX 75231.