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

James Allan Denisar-Green, MD, PHD

Individual provider Family Medicine Physician · NPI 1417303793

James Allan Denisar-Green, MD, PHD is a Family Practice in Billings, Montana. Graduated from University of North Carolina at Chapel Hill School of Medicine in 2016, 10 years ago. Practices with Yellowstone City-County Health Dept, a 52-clinician group and accepts Medicare assignment. Licensed in Montana and Washington.

Years since qualifying
10
Trained at
University of North Carolina at Chapel Hill School of Medicine
Licensed in
MT, WA
In the registry since
2016
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

123 S 27th St
Billings, MT 59101-4227
Phone: (406) 247-3350
Fax: (406) 247-3389
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 96797 (MT)
Family Medicine Physician Taxonomy 207Q00000X · Licence MD60969576 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1417303793
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 5, 2016
Last updated in NPPESJune 22, 2021
Certification dateJune 22, 2021

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Graduated 2016 (10 years in practice)
Group practice Yellowstone City-County Health Dept — 52 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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