Mark R. Mueller, MD
Emergency Medicine Physician · Stillwater, OK
Mark R. Mueller, MD is an emergency medicine physician with a practice address in Stillwater, Oklahoma, and NPI 1750322848, issued on Jun 9, 2006. Check the license (Oklahoma 15532, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Mark R. Mueller
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 15532 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1323 W 6TH Ave, Stillwater, OK 74074
- Phone
- (405) 742-5454
- Enumerated
- Jun 9, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20101201000060); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 1323 W 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alfonso Acosta, DOStudent in an Organized Health Care Education/Training Program1639862675
- Britney Adair, PAPhysician Assistant1578347654
- Arslan Ahmad, MDStudent in an Organized Health Care Education/Training Program1992490833
- Angel AlexanderStudent in an Organized Health Care Education/Training Program1356281299
- Doaa Altameemi, MDInternal Medicine Physician1972350197
- Ahmad Aneeq, MDStudent in an Organized Health Care Education/Training Program1902772619
Verify Mark R. Mueller 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 15532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.1 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,375 Medicare Part D claims for 223 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 36 claims were for opioids.
Most prescribed
- Levothyroxine Sodium78 claims
- Doxycycline Hyclate61 claims
- Cephalexin45 claims
- Citalopram Hbr44 claims
- Amlodipine Besylate41 claims
- Lisinopril36 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): 91.2 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).
Bills Medicare through one group practice
- Stillwater Medical Center AuthorityStillwater, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Mueller among 748 emergency medicine physician records in Oklahoma
Mark R. Mueller, MD is one of 748 emergency medicine physician records with a practice address in Oklahoma. 87% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 70% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1983 · median 2016 among the 438 with a school on file
- Record last updated2026 · 53% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Oklahoma
There are 748 emergency medicine physician records in Oklahoma.
All 748 in Oklahoma → Every provider in Stillwater → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Lloyd Moore, MDStillwater, OK 740741114968203
- Charles Olson, MDStillwater, OK 740741134160740
- Marshall Roach, MDStillwater, OK 740741619918802
- Stuart Shoemake, MDStillwater, OK 740741861439077
- Doug Wilsey, MDStillwater, OK 740741477594760
- Micah Nix, D.O.Skiatook, OK 740701902112089
- Victor Waters, M.D.Skiatook, OK 740701376769422
- Frank Frederick, DOSand Springs, OK 740631588621247
Common questions
What is Mark R. Mueller, MD's NPI number?
Mark R. Mueller, MD's National Provider Identifier (NPI) is 1750322848, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Mueller, MD located?
The NPPES record lists a practice address at 1323 W 6TH Ave, Stillwater, OK, 74074. Phone: (405) 742-5454. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Mueller, MD's license?
NPPES lists Oklahoma license number 15532, 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 Mark R. Mueller, MD prescribe under Medicare Part D?
In 2024, Mark R. Mueller, MD had 1,375 Medicare Part D claims for 223 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Mark R. Mueller, MD's MIPS final score?
The 2023 MIPS final score is 91.2 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.