Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. John L. Ritter, MD

Individual provider Neuroradiology Physician · NPI 1013187772

Dr. John L. Ritter, MD is a Diagnostic Radiology in Jbsa Ft Sam Houston, Texas. Graduated from University of Florida College of Medicine in 1998, 28 years ago. Practices with Shannon Clinic, a 547-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Florida and Texas.

Years since qualifying
28
Trained at
University of Florida College of Medicine
Licensed in
FL, TX
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3551 Roger Brooke Dr Quality SERVICES/7TH Fl Attn: Mche-Zqq
Jbsa Ft Sam Houston, TX 78234
Phone: (210) 916-4218
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1100 Wilford Hall Loop Bldg 4554, Jbsa Lackland, TX 78236-5638 — (210) 916-4218

Specialties & licences

Neuroradiology Physician (primary) Taxonomy 2085N0700X · Licence L8173 (TX)
Neuroradiology Physician Taxonomy 2085N0700X · Licence ME 87213 (FL)

Record details

NPI number1013187772
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 8, 2008
Last updated in NPPESDecember 18, 2020
Certification dateDecember 18, 2020
Mailing address3551 Roger Brooke Dr, Jbsa Ft Sam Houston, TX 78234-4504

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF FLORIDA COLLEGE OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Shannon Clinic — 547 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount