Mark Francis Ozog, MD - Medicare Ophthalmology in Great Falls, MT

Mark Francis Ozog, MD is a medicare enrolled "Ophthalmology" physician in Great Falls, Montana. He graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Ophthalmology. His current practice location is 1417 9th St S Ste 100, Great Falls, Montana. You can reach out to his office (for appointments etc.) via phone at (406) 453-1613.

Mark Francis Ozog is licensed to practice in Montana (license number 7816) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1124106786.

Contact Information

Mark Francis Ozog, MD
1417 9th St S Ste 100,
Great Falls, MT 59405-4509
(406) 453-1613
(406) 453-3717

Map and Direction




Physician's Profile

Full NameMark Francis Ozog
GenderMale
SpecialityOphthalmology
Experience35 Years
Location1417 9th St S Ste 100, Great Falls, Montana
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark Francis Ozog graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1124106786
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 03/22/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6002958287
  • Enrollment ID: I20100126000867

Medical Identifiers

Medical identifiers for Mark Francis Ozog such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1124106786NPI-NPPES
180023007OtherMTRAILROAD MEDICARE
000009731OtherMTBLUE CROSS BLUE SHIELD
0014053MedicaidMT

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology 7816 (Montana)Primary
207W00000XOphthalmology 29408 (Colorado)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Benefis Hospitals IncGreat falls, MTHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Mark Francis Ozog allows following entities to bill medicare on his behalf.
Entity NameMark F. Ozog M.d. P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174654206
PECOS PAC ID: 4183766363
Enrollment ID: O20100126000878

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Mark Francis Ozog is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Mark Francis Ozog, MD
1417 9th St So, #100,
Great Falls, MT 59405-4503

Ph: (406) 453-1613
Mark Francis Ozog, MD
1417 9th St S Ste 100,
Great Falls, MT 59405-4509

Ph: (406) 453-1613

Reviews and Comments


Ophthalmology Doctors in Great Falls, MT

Mr. Thomas H Matsko, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 2800 11th Ave S, Suite 18, Great Falls, MT 59405
Phone: 406-761-6520    Fax: 406-454-1335
David A Boes, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 2800 11th Ave S, Suite 14, Great Falls, MT 59405
Phone: 406-455-2020    Fax: 406-771-6816

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.