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

Jennifer S Gass, MD

Individual provider Surgical Oncology Physician · NPI 1225065139

Jennifer S Gass, MD is an Obstetrics/Gynecology in Providence, Rhode Island. Qualified in 1987, 39 years ago. Practices with Affinity Physicians LLC, a 734-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
39
Licensed in
RI
In the registry since
2006
Specialties on file
2
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

101 Dudley St
Providence, RI 02905-2401
Phone: (401) 274-1122
Show map & directions

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

Additional practice locations (1)

  • 455 Toll Gate Rd, Warwick, RI 02886-2759 — (401) 737-7010

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD08540 (RI)
Surgical Oncology Physician Taxonomy 2086X0206X · Licence MD08540 (RI)

Record details

NPI number1225065139
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 27, 2006
Last updated in NPPESFebruary 16, 2026
Certification dateFebruary 16, 2026

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Also practisesHEMATOLOGY/ONCOLOGY, SURGICAL ONCOLOGY
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Affinity Physicians Llc. — 734 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Providence