Gregory Michael McCormick, MD
Emergency Medicine Physician · Big Sky, MT
Gregory Michael McCormick, MD is an emergency medicine physician with a practice address in Big Sky, Montana, and NPI 1962080291, issued on Mar 30, 2021. Check the license (Montana MED-PHYS-LIC-146597, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Gregory Michael McCormick
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MED-PHYS-LIC-146597 MT
217900 AK
Self-reported in NPPES; status is on the state search - Practice location
- 334 Town Center Ave, Big Sky, MT 59716
- Phone
- (406) 414-5000
- Enumerated
- Mar 30, 2021
- Record last updated
- Apr 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20240402004201); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 243 in Montana → Look up another NPI →
Also registered at 334 Town Center Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Allen, DOEmergency Medicine Physician1174609432
- Maureene Andrews, PA-CMedical Physician Assistant1396813788
- Heidi Bowman, DPTPhysical Therapist1154617504
- Alice Bremner, M.D.Internal Medicine Physician1730574674
- Lisa Brubaker, LCSWClinical Social Worker1922402882
- Anna Carl, MDEmergency Medicine Physician1811979909
Verify Gregory Michael McCormick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-146597Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
44 Medicare Part D claims for 35 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Ketchikan Emergency Physicians, LLCKetchikan, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Michael McCormick among 243 emergency medicine physician records in Montana
Gregory Michael McCormick, MD is one of 243 emergency medicine physician records with a practice address in Montana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 96% of them.
- NPI issued2021 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2009 among the 144 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 emergency medicine physician records list a practice address in Big Sky
They are 9 of the 52 NPPES records with a practice address in Big Sky, and 243 emergency medicine physician records in Montana.
All 243 in Montana → Every provider in Big Sky → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Charles Allen, DOBig Sky, MT 597161174609432
- Anna Carl, MDBig Sky, MT 597161811979909
- Robert Jensen, MDBig Sky, MT 597161164469698
- Tyler Martinez, DOBig Sky, MT 597161437391984
- Casey McGowan, M.D.Big Sky, MT 597161417489659
- Matthew Valente, M.D.Big Sky, MT 597161942469598
- Kirk Weber, M.D.Big Sky, MT 597161891894432
- Stephanie Abraham, M.D.Bozeman, MT 597151306135785
Common questions
What is Gregory Michael McCormick, MD's NPI number?
Gregory Michael McCormick, MD's National Provider Identifier (NPI) is 1962080291, issued on Mar 30, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Michael McCormick, MD located?
The NPPES record lists a practice address at 334 Town Center Ave, Big Sky, MT, 59716. Phone: (406) 414-5000. Providers update this record themselves, so call before visiting.
How can I verify Gregory Michael McCormick, MD's license?
NPPES lists Montana license number MED-PHYS-LIC-146597, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory Michael McCormick, MD prescribe under Medicare Part D?
In 2024, Gregory Michael McCormick, MD had 44 Medicare Part D claims for 35 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.