MARK R MILES M.D.
NPI 1598792384
Obstetrics & Gynecology in Great Falls, MT
About Mark R Miles M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK R MILES M.D. (NPI 1598792384) is an individual obstetrics & gynecology provider in Great Falls, Montana, licensed in Montana (5161) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (1982).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark R Miles M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Mark Miles reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Great Falls, MT 59405
- Reassigned Medicare billing, Montana enrollment
- 15 clinicians in this Medicare group
Great Falls, MT 59405
- Reassigned Medicare billing, Montana enrollment
- 637 clinicians in this Medicare group
Great Falls, MT 59405
- Reassigned Medicare billing, Montana enrollment
- 325 clinicians in this Medicare group
Havre, MT 59501
- Reassigned Medicare billing, Montana enrollment
- 81 clinicians in this Medicare group
Bozeman, MT 59718
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Billings Clinic
- 1,264 clinicians in this Medicare group
Silverdale, WA 98383
- Reassigned Medicare billing, Washington enrollment
- 223 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREAT FALLS, MT 59405
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Miles's NPI number?
The NPI number for Mark Miles is 1598792384. It was assigned to this individual provider in the NPPES registry on June 27, 2006.
Where is Mark Miles located?
Mark Miles practices at 1400 29th St S Ste 101, Great Falls, MT 59405. The listed phone number is (406) 761-7924.
What is Mark Miles's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Mark Miles enrolled in Medicare?
Yes. Mark Miles is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mark Miles's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Miles reassigns Medicare benefits to 6 organizations: Great Falls Obstetrical And Gynecological Associates (Great Falls, MT), Benefis Hospitals, Inc. (Great Falls, MT), Providence Health & Services Mt (Great Falls, MT), Northern Montana Hospital (Havre, MT), Billings Cinic (Bozeman, MT) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Miles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Miles accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Mark Miles as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mark Miles was last updated on December 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark R Miles, M.D. · NPI 1598792384
Obstetrics & Gynecology physician in Great Falls, Montana. Individual provider, active in the CMS NPPES registry since June 27, 2006.
## Identity
- **NPI:** 1598792384 (Entity type: Individual)
- **Enumerated:** June 27, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 5161 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 29TH ST S STE 101, Great Falls, MT 59405-5316
- **Phone:** (406) 761-7924
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Great Falls Obstetrical And Gynecological Associates (NPI 1336184928, Great Falls, MT); Benefis Hospitals, Inc. (NPI 1881650737, Great Falls, MT); Providence Health & Services Mt (NPI 1679730436, Great Falls, MT); Northern Montana Hospital (NPI 1023169190, Havre, MT); Billings Cinic (NPI 1215660840, Bozeman, MT); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1982
## Record status
- **NPPES last updated:** December 9, 2025
- **Other identifiers:** Medicaid 0094263 (MT); Medicaid MD0540 (AK)
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Source: [NPI Profile](https://npiprofile.com/npi/1598792384) · Data from the CMS NPPES public registry.