John R. Gregory, MD
Surgery Physician · Billings, MT
John R. Gregory, MD is a surgery physician with a practice address in Billings, Montana, and NPI 1861504847, issued on Aug 31, 2006. Check the license (Montana 4284, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John R. Gregory
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 4284 MT
Self-reported in NPPES; status is on the state search - Practice location
- 801 N 29TH St, Billings, MT 59101
- Phone
- (406) 238-2500
- Enumerated
- Aug 31, 2006
- Record last updated
- Feb 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20181026001819); accepts Medicare assignment
- Medical or professional school
- University Of Colorado School Of Medicine, Denver, 1975
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 136 in Montana → Look up another NPI →
Also registered at 801 N 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daniel AlmeStudent in an Organized Health Care Education/Training Program1477349165
- Luis Alvarez, MDClinical Cardiac Electrophysiology Physician1417951922
- Annalee Anderson, MA, CCC-SLPSpeech-Language Pathologist1083047088
- Bijan Andrade, DPMFoot & Ankle Surgery Podiatrist1891059556
Verify John R. Gregory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 4284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 94.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $47.70
1 payment: food and beverage; the largest payer was LeMaitre Vascular, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Billings ClinicCody, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John R. Gregory among 136 surgery physician records in Montana
John R. Gregory, MD is one of 136 surgery physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 49% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1975 · median 2003 among the 92 with a school on file
- Record last updated2022 · 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 208600000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Montana
There are 136 surgery physician records in Montana.
All 136 in Montana → Every provider in Billings → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- George Bentzel, MDBillings, MT 591011689699621
- Timothy Dernbach, MDBillings, MT 591011962440800
- Eric Dringman, MDBillings, MT 591011245262583
- Scott Dull, MDBillings, MT 591011174634919
- Paul Grmoljez, MDBillings, MT 591011831241785
- Kathryn Hatch, MDBillings, MT 591011275558215
- Terry Housinger, MDBillings, MT 591011790705234
- Robert Hurd, MDBillings, MT 591011376626291
Common questions
What is John R. Gregory, MD's NPI number?
John R. Gregory, MD's National Provider Identifier (NPI) is 1861504847, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John R. Gregory, MD located?
The NPPES record lists a practice address at 801 N 29TH St, Billings, MT, 59101. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.
How can I verify John R. Gregory, MD's license?
NPPES lists Montana license number 4284, 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.
What is John R. Gregory, MD's MIPS final score?
The 2023 MIPS final score is 94.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.