Mary V. Mustain, MD
Emergency Medicine Physician · Oklahoma City, OK
Mary V. Mustain, MD is an emergency medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1235384355, issued on Nov 18, 2008. Check the license (Oklahoma 42757, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Mary V. Mustain
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 42757 OK
R1563 KY
Self-reported in NPPES; status is on the state search - Practice location
- 4300 W Memorial RD, Oklahoma City, OK 73120
- Phone
- (405) 752-3715
- Enumerated
- Nov 18, 2008
- Record last updated
- Jan 2, 2025
- Fax
- (405) 936-5058
- Medicare enrollment
- Enrolled (PECOS I20240702004274); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 748 in Oklahoma → Look up another NPI →
Also registered at 4300 W Memorial RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Abernethy, M.D.Hospitalist Physician1811194749
- Nicholas Anastas, DOInternal Medicine Physician1922597905
- Laura Apodaca, RNEmergency Registered Nurse1184586406
- Todd Arms, PAPhysician Assistant1235309386
- Jamie BahamRegistered Dietitian1093443087
- Steven Baker, D.O.Hospitalist Physician1831174507
Verify Mary V. Mustain 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 42757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average emergency medicine physician in 2024
129 Medicare Part D claims for 98 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen15 claims
- Oxycodone-Acetaminophen15 claims
- Cefdinir13 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.
Industry payments in 2024: $13.21
1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 12,335 providers of this specialty with any payment received $953.79 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
- Mercy Clinic Oklahoma CommunitiesOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary V. Mustain among 748 emergency medicine physician records in Oklahoma
Mary V. Mustain, 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 2008, is newer than 36% of them.
- NPI issued2008 · 36% of these records are older, 60% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2016 among the 438 with a school on file
- Record last updated2025 · 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 Oklahoma City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Brandon Brown, M.D.Oklahoma City, OK 731201497071609
- Robert Crane, MDOklahoma City, OK 731201033344437
- Timothy Hill, MDOklahoma City, OK 731201447211461
- Gary Hillman, D.O.Oklahoma City, OK 731201760444160
- Colby Mayo, DOOklahoma City, OK 731201154383297
- Brent Mefford, MDOklahoma City, OK 731201497774293
- Juan Nalagan, MDOklahoma City, OK 731201841259876
- Paul Orcutt, MDOklahoma City, OK 731201306806898
Common questions
What is Mary V. Mustain, MD's NPI number?
Mary V. Mustain, MD's National Provider Identifier (NPI) is 1235384355, issued on Nov 18, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mary V. Mustain, MD located?
The NPPES record lists a practice address at 4300 W Memorial RD, Oklahoma City, OK, 73120. Phone: (405) 752-3715. Providers update this record themselves, so call before visiting.
How can I verify Mary V. Mustain, MD's license?
NPPES lists Oklahoma license number 42757, 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 Mary V. Mustain, MD prescribe under Medicare Part D?
In 2024, Mary V. Mustain, MD had 129 Medicare Part D claims for 98 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.