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

Michael T Poshkus, MD

Individual provider Infectious Disease Physician · NPI 1952341075

Michael T Poshkus, MD is an Internal Medicine in West Warwick, Rhode Island. Graduated from Columbia University College of Physicians and Surgeons in 1998, 28 years ago. Practices with Thundermist Health Center, a 165-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
28
Trained at
Columbia University College of Physicians and Surgeons
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

186 Providence St
West Warwick, RI 02893-2508
Phone: (401) 615-2800
Fax: (401) 615-2805
Show map & directions

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

Additional practice locations (2)

  • 1 River St, Wakefield, RI 02879-3214 — (401) 767-4100
  • 450 Clinton St, Woonsocket, RI 02895-3207 — (401) 767-4100

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence MD11272 (RI)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD11272 (RI)

Record details

NPI number1952341075
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 7, 2006
Last updated in NPPESOctober 8, 2025
Certification dateOctober 8, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesINFECTIOUS DISEASE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 1998 (28 years in practice)
Group practice Thundermist Health Center — 165 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare