Doctor profile · Federal record

Dr. Megan McMillan, M.D.

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Billings, MT

  • NPI 1952797326
  • Accepts Medicare
  • MIPS 92.8 / 100 · 2023
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2800 10Th Ave N
Billings, MT 59101
(406) 238-5046
Additional location
1959 Ne Pacific St Rm Bb-527, Box 356421
Seattle, WA 981956421
(206) 543-3605
Mailing address
Po Box 35100
Billings, MT 591075100

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
February 4, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Montana #MED-PHYS-LIC-67446 · Montana #67446

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952797326. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
438
Distinct HCPCS
5
Medicare allowed
$47,441
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 195 82 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 101 53 $119
99239 Hospital discharge day management, more than 30 minutes 61 59 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 53 51 $174
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 28 27 $131

In context: peer comparison

Among 7 peers in Billings Hospitalist Physician, average services per provider: 87. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Megan McMillan's medical specialty?
Dr. Megan McMillan practices Hospitalist Physician in Billings, MT.
Where does Dr. Megan McMillan practice?
Dr. Megan McMillan practices at 2800 10Th Ave N, Billings, MT 59101. Office phone: 4062385046.
What is Dr. Megan McMillan's NPI?
Dr. Megan McMillan's National Provider Identifier (NPI) is 1952797326, issued by NPPES.
Does Dr. Megan McMillan accept Medicare assignment?
Yes. Dr. Megan McMillan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Megan McMillan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.