Mary Mcmillan, MD
NPI 1861451221 · Internal Medicine Physician · Blaine, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Mcmillan, MD is a Internal Medicine Physician provider in Blaine, MN (NPI 1861451221).
Provider details
- NPI number
- 1861451221
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 40497 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
853 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 206 | $125 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 142 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 84 | $127 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 65 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $89 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 47 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 287 | 73 |
| Losartan Potassium | 285 | 82 |
| Atorvastatin Calcium | 279 | 77 |
| Rosuvastatin Calcium | 264 | 72 |
| Amlodipine Besylate | 201 | 59 |
| Metoprolol Succinate | 152 | 39 |
| Lisinopril |
Practice location
Mailing address
Additional practice locations (1)
- 2800 Hennepin Ave SMinneapolis, MN 55408-1906Phone: (612) 775-4800Fax: (612) 775-4801
Registry dates
- Enumerated
- 2006-03-22
- Last updated
- 2020-11-10
- Certified
- 2020-11-10
Frequently asked questions
- What is Mary Mcmillan's NPI number?
- Mary Mcmillan's National Provider Identifier (NPI) is 1861451221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Mcmillan's specialty?
- Mary Mcmillan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Mcmillan located?
- Mary Mcmillan's practice location on file with NPPES is 10705 Town Square Dr Ne Ste 100, Blaine, MN 55449-8185.
- What is Mary Mcmillan's phone number?
- The practice phone number listed in the NPPES registry for Mary Mcmillan is (763) 236-5400.
- Does Mary Mcmillan accept Medicare?
- Mary Mcmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Mcmillan's NPI active?
- Yes — Mary Mcmillan's NPI (1861451221) is active in the NPPES registry as of the last update on 2020-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.