DR. MARK MCMILLAN M.D.
NPI 1508884826
Radiology - Diagnostic Radiology in Saint Paul, MN
About Dr. Mark Mcmillan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK MCMILLAN M.D. (NPI 1508884826) is an individual diagnostic radiology provider in Saint Paul, Minnesota, licensed in Minnesota (41009) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Allina United Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
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
Dr. Mark Mcmillan 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
27Medicare enrollment records show Mark Mcmillan reassigns Medicare billing to 27 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Paul, MN 55102
- Reassigned Medicare billing, Minnesota enrollment
- 218 clinicians in this Medicare group
St Paul, MN 55102
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- Also billed through NPI 1447550702 (Wisconsin), NPI 1407395247 (Wisconsin)
- 2,609 clinicians in this Medicare group
Saint Paul, MN 55102
- Reassigned Medicare billing, Minnesota enrollment
- 2,302 clinicians in this Medicare group
Saint Paul, MN 55102
- Reassigned Medicare billing, Minnesota enrollment
- 3,633 clinicians in this Medicare group
Saint Paul, MN 55104
- Reassigned Medicare billing, Minnesota enrollment
- 2,373 clinicians in this Medicare group
Minneapolis, MN 55455
- Reassigned Medicare billing, Minnesota enrollment
- 1,662 clinicians in this Medicare group
Minneapolis, MN 55414
- Reassigned Medicare billing, Minnesota enrollment
- 1,453 clinicians in this Medicare group
Roseville, MN 55113
- Reassigned Medicare billing, Minnesota enrollment
- 219 clinicians in this Medicare group
Roseville, MN 55113
- Reassigned Medicare billing, Minnesota and Wisconsin enrollments
- 218 clinicians in this Medicare group
Minneapolis, MN 55454
- Reassigned Medicare billing, Minnesota enrollment
- 4,038 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 38
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Allina United Hospital
Acute Care Hospitals · Saint Paul, MNM Health Fairview Southdale Hospital
Acute Care Hospitals · Edina, MNRegions Hospital
Acute Care Hospitals · Saint Paul, MNM Health Fairview St John's Hospital
Acute Care Hospitals · Maplewood, MNSt Croix Regional Medical Center
Critical Access Hospitals · Saint Croix Falls, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 55102 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 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT PAUL, MN 55102
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 Mcmillan's NPI number?
The NPI number for Mark Mcmillan is 1508884826. It was assigned to this individual provider in the NPPES registry on July 17, 2006.
Where is Mark Mcmillan located?
Mark Mcmillan practices at 250 Thompson St, Saint Paul, MN 55102. The listed phone number is (651) 292-2000.
What is Mark Mcmillan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Mark Mcmillan enrolled in Medicare?
Yes. Mark Mcmillan 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 Mcmillan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mcmillan reassigns Medicare benefits to 27 organizations: Midwest Radiology Outpatient Imaging, LLC (Saint Paul, MN), Allina Health System (St Paul, MN), Fairview Clinics (Saint Paul, MN), Fairview Express Care (Saint Paul, MN), Fairview Specialty Services (Saint Paul, MN) and 22 more organizations, 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 Mcmillan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Mcmillan accept?
Health plans from Avera Health Plans, Blue Cross Blue Shield of North Dakota and Sanford Health Plan list Mark Mcmillan 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.
Is Mark Mcmillan affiliated with any hospitals?
According to CMS data, Mark Mcmillan is affiliated with Allina United Hospital, M Health Fairview Southdale Hospital, Regions Hospital, M Health Fairview St John's Hospital and St Croix Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Mcmillan was last updated on July 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Dr. Mark Mcmillan, M.D. · NPI 1508884826
Diagnostic Radiology physician in Saint Paul, Minnesota. Individual provider, active in the CMS NPPES registry since July 17, 2006.
## Identity
- **NPI:** 1508884826 (Entity type: Individual)
- **Enumerated:** July 17, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 41009 (Minnesota)
- **Sole proprietor:** No
## Practice location
- **Address:** 250 THOMPSON ST, Saint Paul, MN 55102-2370
- **Phone:** (651) 292-2000 · **Fax:** (651) 292-2136
## 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:** 27 organizations under Medicare reassignment (form CMS-855R): Midwest Radiology Outpatient Imaging, LLC (NPI 1720059264, Saint Paul, MN); Allina Health System (NPI 1053617795, St Paul, MN); Fairview Clinics (NPI 1396552147, Saint Paul, MN); Fairview Express Care (NPI 1275277204, Saint Paul, MN); Fairview Specialty Services (NPI 1912066218, Saint Paul, MN); and 22 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 20, 2021
- **Other identifiers:** Medicaid 091016300 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1508884826) · Data from the CMS NPPES public registry.