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

Individual provider Internal Medicine Physician · NPI 1326080037

Dr. James Maserejian, MD is an Internal Medicine in Evansville, Indiana. Graduated from University of Massachusetts Medical School in 1995, 31 years ago. Practices with St Marys Medical Group LLC, a 228-clinician group and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
31
Trained at
University of Massachusetts Medical School
Licensed in
IN
In the registry since
2006
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

3700 Washington Ave
Evansville, IN 47714-0541
Phone: (812) 485-7040
Fax: (812) 485-7042
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 01051918A (IN)

Record details

NPI number1326080037
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 10, 2006
Last updated in NPPESNovember 13, 2009

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MASSACHUSETTS MEDICAL SCHOOL
Graduated 1995 (31 years in practice)
Group practice St Marys Medical Group Llc — 228 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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