Megan Mcmillan, M.D.
NPI 1952797326 · Hospitalist Physician · Billings, MT
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Mcmillan, M.D. is a Hospitalist Physician provider in Billings, MT (NPI 1952797326).
Provider details
- NPI number
- 1952797326
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 67446 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 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
536 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 205 | $76 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 162 | $115 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 84 | $111 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 51 | $167 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 23 | $126 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 1959 Ne Pacific St Rm Bb-527Box 356421Seattle, WA 98195-6421Phone: (206) 543-3605
Registry dates
- Enumerated
- 2015-04-12
- Last updated
- 2025-02-04
- Certified
- 2025-02-04
Frequently asked questions
- What is Megan Mcmillan's NPI number?
- Megan Mcmillan's National Provider Identifier (NPI) is 1952797326, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Mcmillan's specialty?
- Megan Mcmillan is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Mcmillan located?
- Megan Mcmillan's practice location on file with NPPES is 2800 10th Ave N, Billings, MT 59101.
- What is Megan Mcmillan's phone number?
- The practice phone number listed in the NPPES registry for Megan Mcmillan is (406) 238-5046.
- Does Megan Mcmillan accept Medicare?
- Megan Mcmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Mcmillan's NPI active?
- Yes — Megan Mcmillan's NPI (1952797326) is active in the NPPES registry as of the last update on 2025-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.