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

Mark Francis Ozog, MD

Individual provider Ophthalmology Physician · NPI 1124106786

Mark Francis Ozog, MD is an Ophthalmology in Great Falls, Montana. Qualified in 1989, 37 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Colorado and Montana.

Years since qualifying
37
Licensed in
CO, MT
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

1417 9th St S Ste 100
Great Falls, MT 59405-4509
Phone: (406) 453-1613
Fax: (406) 453-3717
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 7816 (MT)
Ophthalmology Physician Taxonomy 207W00000X · Licence 29408 (CO)

Record details

NPI number1124106786
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 1, 2006
Last updated in NPPESMarch 22, 2023
Certification dateMarch 22, 2023
Mailing address1417 9th St So, 100, Great Falls, MT 59405-4503

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Great Falls