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

Dr. Ryan Courtney Fields, MD

Individual provider Surgery Physician · NPI 1912900440

Dr. Ryan Courtney Fields, MD is a Surgical Oncology in Saint Louis, Missouri. Qualified in 2003, 23 years ago. Practices with University of Rochester Surgical Associates, a 51-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
23
Licensed in
MO
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4500 Forest Park Ave Div Surg Hpb 5th Fl
Saint Louis, MO 63108-2114
Phone: (314) 362-2280
Fax: (888) 352-8360
Show map & directions

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

Specialties & licences

Surgical Oncology Physician (primary) Taxonomy 2086X0206X · Licence 2004032568 (MO)
Surgery Physician Taxonomy 208600000X · Licence 2004032568 (MO)

Record details

NPI number1912900440
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 30, 2005
Last updated in NPPESApril 17, 2025
Mailing addressPo Box 7412011, Chicago, IL 60674-2011

Medicare enrollment

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

Medicare specialtySURGICAL ONCOLOGY
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice University Of Rochester Surgical Associates — 51 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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