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

Dr. Alfred Dennyson Nelson, MD

Individual provider Internal Medicine Physician · NPI 1518329770

Dr. Alfred Dennyson Nelson, MD is a Gastroenterology in Saint Peters, Missouri. Qualified in 2012, 14 years ago. Practices with Physician Groups Lc, a 524-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in Florida and Missouri.

Years since qualifying
14
Licensed in
FL, MO
In the registry since
2016
Specialties on file
5
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

70 Jungermann Cir Ste 201
Saint Peters, MO 63376-1619
Phone: (636) 916-9615
Show map & directions

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

Additional practice locations (5)

  • 4500 San Pablo Rd S, Jacksonville, FL 32224 — (904) 953-2511
  • 4500 San Pablo Rd S, Jacksonville, FL 32224 — (904) 953-2511
  • 2520 N Orange Ave Ste 100, Orlando, FL 32804-4638 — (407) 599-6460
  • 1225 South Grand Boulevard, Saint Louis, MO 63195-4638 — (314) 257-3760
  • 9500 Euclid Ave, Cleveland, OH 44195-0001 — (216) 444-2200

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 20240137136 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 20240137136 (MO)
Gastroenterology Physician Taxonomy 207RG0100X · Licence ME138983 (FL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Internal Medicine Physician Taxonomy 207R00000X · Licence ME138983 (FL)

Record details

NPI number1518329770
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 25, 2016
Last updated in NPPESSeptember 17, 2025
Certification dateSeptember 17, 2025

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 2012 (14 years in practice)
Group practice Physician Groups Lc — 524 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Saint Peters