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

Dr. Ryan L Neff, MD

Individual provider Surgery Physician · NPI 1427245034

Dr. Ryan L Neff, MD is a General Surgery in Saint Louis, Missouri. Graduated from Jefferson Medical College of Thomas Jefferson University in 2001, 25 years ago. Practices with Mercy Clinic Surgical Specialists LLC, a 180-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Missouri.

Years since qualifying
25
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
MO
In the registry since
2007
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

621 S New Ballas Rd Ste 7011B
Saint Louis, MO 63141-8232
Phone: (314) 251-6840
Fax: (314) 251-7347
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 2008007223 (MO)

Record details

NPI number1427245034
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 27, 2007
Last updated in NPPESNovember 11, 2014

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Also practisesSURGICAL ONCOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2001 (25 years in practice)
Group practice Mercy Clinic Surgical Specialists Llc — 180 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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