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

Theresa Wendel Ruddy, MD

Individual provider Trauma Surgery Physician · NPI 1841491099

Theresa Wendel Ruddy, MD is a Colorectal Surgery (Proctology) in Liverpool, New York. Graduated from State University of New York at Buffalo School of Medicine in 2000, 26 years ago. Practices with Oneida Surgical Group PC, a 4-clinician group and accepts Medicare assignment. Licensed in New York and Wisconsin.

Years since qualifying
26
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY, WI
In the registry since
2007
Specialties on file
4
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

5100 W Taft Rd Ste 4A
Liverpool, NY 13088-3810
Phone: (315) 458-2211
Fax: (315) 452-9025
Show map & directions

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

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 18258-875 (WI)
Trauma Surgery Physician Taxonomy 2086S0127X · Licence 255925 (NY)
Surgery Physician Taxonomy 208600000X · Licence 255925 (NY)
Colon & Rectal Surgery Physician Taxonomy 208C00000X · Licence 255925 (NY)

Record details

NPI number1841491099
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 29, 2007
Last updated in NPPESJune 11, 2018

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Oneida Surgical Group Pc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount