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

Individual provider Internal Medicine Physician · NPI 1225393432

Dr. Nikolaos Sismanopoulos, MD is an Internal Medicine in Providence, Rhode Island. Qualified in 2008, 18 years ago. Practices with Lifespan Physician Group Inc, a 1,125-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Rhode Island.

Years since qualifying
18
Licensed in
RI
In the registry since
2012
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

593 Eddy St
Providence, RI 02903
Phone: (401) 444-3985
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 736 Cambridge St, Boston, MA 02135-2907 — (617) 779-6342
  • 593 Eddy St, Providence, RI 02903 — (401) 444-3985

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD16384 (RI)

Record details

NPI number1225393432
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 13, 2012
Last updated in NPPESNovember 15, 2018

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Lifespan Physician Group Inc — 1125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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