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

Dr. Otis Upson Warren, MD

Individual provider Emergency Medical Services (Emergency Medicine) Physician · NPI 1285898890

Dr. Otis Upson Warren, MD is an Emergency Medicine in Providence, Rhode Island. Graduated from Perelman School of Med at the University of Pennsylvania in 2005, 21 years ago. Practices with Lifespan Physician Group Inc, a 1,125-clinician group and accepts Medicare assignment. Licensed in California and Rhode Island.

Years since qualifying
21
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
CA, RI
In the registry since
2008
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) 519-1604
Fax: (401) 272-0538
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MD12935 (RI)
Emergency Medical Services (Emergency Medicine) Physician Taxonomy 207PE0004X · Licence A98804 (CA)

Record details

NPI number1285898890
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2008
Last updated in NPPESFebruary 5, 2010

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 2005 (21 years in practice)
Group practice Lifespan Physician Group Inc — 1125 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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