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

Theresa Lynn Williamson, MD

Individual provider Neurological Surgery Physician · NPI 1194143644

Theresa Lynn Williamson, MD is a Neurosurgery in Providence, Rhode Island. Graduated from Yale University School of Medicine in 2014, 12 years ago. Practices with Massachusetts General Physicians Organization Inc, a 3,484-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts and Rhode Island.

Years since qualifying
12
Trained at
Yale University School of Medicine
Licensed in
MA, RI
In the registry since
2014
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

593 Eddy St
Providence, RI 02903-4923
Phone: (401) 793-9166
Fax: (401) 444-2788
Show map & directions

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

Additional practice locations (1)

  • 164 Summit Ave, Providence, RI 02906-2853 — (401) 793-9166

Specialties & licences

Neurological Surgery Physician (primary) Taxonomy 207T00000X · Licence MD20852 (RI)
Neurological Surgery Physician Taxonomy 207T00000X · Licence T289635 (MA)

Record details

NPI number1194143644
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2014
Last updated in NPPESSeptember 5, 2025
Certification dateSeptember 5, 2025

Medicare enrollment

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

Medicare specialtyNEUROSURGERY
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice Massachusetts General Physicians Organization Inc — 3484 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Providence