Dean Mast
Emergency Medicine Physician · Olean, NY
Dean Mast is an emergency medicine physician with a practice address in Olean, New York, and NPI 1760525406, issued on Feb 14, 2007. Check the license (New York 184166, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Dean Mast
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 184166 NY
Self-reported in NPPES; status is on the state search - Practice location
- 921 Wayne St, Olean, NY 14760
- Phone
- (716) 287-2731
- Enumerated
- Feb 14, 2007
- Record last updated
- Jan 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20111117000597); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1987
- Entity
- Type 1 · individual
Also registered at 921 Wayne St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Batt, MDEmergency Medicine Physician1477524791
- Adrienne Saleh, FNP-BCFamily Nurse Practitioner1518664028
- Nicolette Van HornPhysician Assistant1295150142
Verify Dean Mast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 184166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15.8 times the Medicare Part D claims of the average emergency medicine physician in 2024
3,582 Medicare Part D claims for 262 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 233 claims were for opioids.
Most prescribed
- Atorvastatin Calcium148 claims
- Hydrocodone-Acetaminophen134 claims
- Omeprazole130 claims
- Alprazolam102 claims
- Metoprolol Succinate99 claims
- Levothyroxine Sodium89 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: $326.83
17 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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 2 group practices
- Great Lakes Physician Practice PCSalamanca, NY
- Regional Health Services IncErie, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emergency Medicine Physician providers in New York
There are 5,025 emergency medicine physician records in New York.
Other emergency medicine physician records in New York
- Matthew Abad, D.O.Bronx, NY1629490693
- Theophine Abakporo, M.D.Brooklyn, NY1972564813
- Nabil AbazaidNew York, NY1578025979
- Ethan Abbott, DOBronx, NY1619252202
- Frederick Abbuhl, MDAlbany, NY1831138882
- Minako Abe, MDNew York, NY1578635249
- Benjamin Abella, MDNew York, NY1568560746
- Gilbert Abou Dagher, M.DNew York, NY1275743700
- Gallane Abraham, MDBronx, NY1275859696
- Joel Abraham, D.O.New Hyde Park, NY1578815437
Common questions
What is Dean Mast's NPI number?
Dean Mast's National Provider Identifier (NPI) is 1760525406, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Dean Mast located?
The NPPES record lists a practice address at 921 Wayne St, Olean, NY, 14760. Phone: (716) 287-2731. Providers update this record themselves, so call before visiting.
How can I verify Dean Mast's license?
NPPES lists New York license number 184166, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dean Mast prescribe under Medicare Part D?
In 2024, Dean Mast had 3,582 Medicare Part D claims for 262 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.