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

Douglas Riegert-Johnson, MD

Individual provider Gastroenterology Physician · NPI 1609840768

Douglas Riegert-Johnson, MD is a Gastroenterology in Jacksonville, Florida. Graduated from University of Alabama School of Medicine in 1999, 27 years ago. Practices with Mayo Clinic Jacksonville, a 1,581-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
27
Trained at
University of Alabama School of Medicine
Licensed in
FL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

4500 San Pablo Rd S
Jacksonville, FL 32224-1865
Phone: (904) 953-2000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence ME101296 (FL)

Record details

NPI number1609840768
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 15, 2006
Last updated in NPPESAugust 28, 2020
Certification dateAugust 28, 2020
Mailing address4500 San Pablo Rd S, Jacksonville, FL 32224-1865

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolUNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Mayo Clinic Jacksonville — 1581 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Jacksonville