Mark O. Nichols, M.D.
Surgery Physician · Miles City, MT
Mark O. Nichols, M.D. is a surgery physician with a practice address in Miles City, Montana, and NPI 1922196575, issued on Oct 10, 2006. Check the license (Montana 12569, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark O. Nichols
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 12569 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2600 Wilson St, Miles City, MT 59301
- Phone
- (406) 233-2500
- Enumerated
- Oct 10, 2006
- Record last updated
- Feb 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (406) 233-2611
- Medicaid ID
- 00A421210 CA
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 136 in Montana → Look up another NPI →
Also registered at 2600 Wilson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kurt Ammerman, D.O.Surgery Physician1780023655
- Brady Banta, M.D.Diagnostic Radiology Physician1710937156
- Chelsea Beaver, RNRegistered Nurse1699600916
- Thomas Beeson, MD PCSurgery Physician1285634204
- Ethan Behrends, RNRegistered Nurse1083544605
- Robert Brugger, PTPhysical Therapist1053643163
Verify Mark O. Nichols in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 12569Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average surgery physician in 2024
22 Medicare Part D claims for 17 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Mark O. Nichols among 136 surgery physician records in Montana
Mark O. Nichols, M.D. 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 fileNo · 68% of these records are
- Record last updated2016 · 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).
3 surgery physician records list a practice address in Miles City
They are 3 of the 240 NPPES records with a practice address in Miles City, and 136 surgery physician records in Montana.
All 136 in Montana → Every provider in Miles City → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Kurt Ammerman, D.O.Miles City, MT 593011780023655
- Thomas Beeson, MD PCMiles City, MT 593011285634204
- Kelly Dinnan, D.O.Glendive, MT 593301841405891
- Edward Bergin, MDSidney, MT 592701902980907
- John Carey, MDSidney, MT 592701689667115
- Peter Deveaux, M.D..Sidney, MT 592701336102227
- Deborah Harris, D.O.Sidney, MT 592701891717112
- Kelly O'Neal, MDSidney, MT 592701629156427
Common questions
What is Mark O. Nichols, M.D.'s NPI number?
Mark O. Nichols, M.D.'s National Provider Identifier (NPI) is 1922196575, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark O. Nichols, M.D. located?
The NPPES record lists a practice address at 2600 Wilson St, Miles City, MT, 59301. Phone: (406) 233-2500. Providers update this record themselves, so call before visiting.
How can I verify Mark O. Nichols, M.D.'s license?
NPPES lists Montana license number 12569, 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 Mark O. Nichols, M.D. prescribe under Medicare Part D?
In 2024, Mark O. Nichols, M.D. had 22 Medicare Part D claims for 17 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Mark O. Nichols, M.D.'s MIPS final score?
The 2023 MIPS final score is 84 of 100, reported for the practice group. 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.