Damon Matthew Armstrong, DO
Surgery Physician · Muskogee, OK
Damon Matthew Armstrong, DO is a surgery physician with a practice address in Muskogee, Oklahoma, and NPI 1548400500, issued on Mar 3, 2009. Check the license (Oklahoma 5058, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Damon Matthew Armstrong
- Credential
- DO
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 5058 OK
Self-reported in NPPES; status is on the state search - Practice location
- 101 Rockefeller Dr Ste 100, Muskogee, OK 74401
- Phone
- (918) 686-8040
- Enumerated
- Mar 3, 2009
- Record last updated
- Jun 25, 2026
- Fax
- (918) 686-8519
- Medicare enrollment
- Enrolled (PECOS I20170221002096); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 348 in Oklahoma → Look up another NPI →
Verify Damon Matthew Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 5058Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average surgery physician in 2024
113 Medicare Part D claims for 44 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 28 claims were for opioids.
Most prescribed
- Ibuprofen23 claims
- Ondansetron Hcl21 claims
- Oxycodone-Acetaminophen20 claims
- Pantoprazole Sodium12 claims
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 MIPS final score for 2023 (Medicare payment program): 97.6 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: $132.13
5 payments; by number, the most common kind was food and beverage; the largest payer was Baxter Healthcare. 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
- Warren Clinic IncMuskogee, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Damon Matthew Armstrong among 348 surgery physician records in Oklahoma
Damon Matthew Armstrong, DO is one of 348 surgery physician records with a practice address in Oklahoma. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2006 · median 2004 among the 195 with a school on file
- Record last updated2026 · 59% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Oklahoma
There are 348 surgery physician records in Oklahoma.
All 348 in Oklahoma → Every provider in Muskogee → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Kyle Baer, PA-CMuskogee, OK 744011437613890
- William Dubbs, M.D.Muskogee, OK 744011457433229
- Jay Gregory, M.D.Muskogee, OK 744011013051226
- Patrick Ross, M.D.Muskogee, OK 744011316181720
- David Wilson, MDFort Gibson, OK 744341710147962
- Gary Decker, M.D.Pryor, OK 743611043274129
- Peter Sarfatis, MDPryor, OK 743611780607705
- Susan Young, DOPryor, OK 743611467430496
Common questions
What is Damon Matthew Armstrong, DO's NPI number?
Damon Matthew Armstrong, DO's National Provider Identifier (NPI) is 1548400500, issued on Mar 3, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Damon Matthew Armstrong, DO located?
The NPPES record lists a practice address at 101 Rockefeller Dr Ste 100, Muskogee, OK, 74401. Phone: (918) 686-8040. Providers update this record themselves, so call before visiting.
How can I verify Damon Matthew Armstrong, DO's license?
NPPES lists Oklahoma license number 5058, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Damon Matthew Armstrong, DO prescribe under Medicare Part D?
In 2024, Damon Matthew Armstrong, DO had 113 Medicare Part D claims for 44 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Damon Matthew Armstrong, DO's MIPS final score?
The 2023 MIPS final score is 97.6 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.