Nick Mastromihalis, DDS
Endodontics · Mount Kisco, NY
Nick Mastromihalis, DDS is an endodontics with a practice address in Mount Kisco, New York, and NPI 1083838254, issued on Apr 12, 2007. Check the license (New York 0466871, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nick Mastromihalis
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 0466871 NY
Self-reported in NPPES; status is on the state search - Practice location
- 101 S Bedford RD, Mount Kisco, NY 10549
- Phone
- (914) 241-1177
- Enumerated
- Apr 12, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 101 S Bedford RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marc Cohn, D.M.D.Endodontics1891918322
- Stephen Eble, D.C.Chiropractor1023123775
- Diane Heller, D.D.S.Endodontics1891892444
- Marie Henderson, DOInternal Medicine Physician1346630795
- Gerald Hyman, D.M.D.Endodontics1285858563
- Alexander Mathew, OTR/LOccupational Therapist1902208242
Verify Nick Mastromihalis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 0466871Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average endodontics in 2024
299 Medicare Part D claims for 220 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 12 claims were for opioids.
Most prescribed
- Amoxicillin145 claims
- Azithromycin55 claims
- Amoxicillin-Clavulanate Potass45 claims
- Clindamycin Hcl19 claims
- Oxycodone-Acetaminophen11 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.
Endodontics providers in New York
There are 483 endodontics records in New York.
Other endodontics records in New York
- Richard Aaron, DDSJackson Heights, NY1417281627
- Howard Aaronson, D.D.S.New York, NY1033132196
- Kara Acker, D.M.DNew York, NY1821393943
- Casimir Ahamad, D.D.S.New York, NY1285851923
- Chiyoon Ahn, DMDNew York, NY1235679341
- Keith Aibel, D.M.D.Albany, NY1851581284
- Sasha Alexander, D.D.S.New York, NY1205070497
- Emily Alper, DMDGarden City, NY1477334407
- Michael Altman, D.D.S.Tonawanda, NY1003938424
- Robert Ambinder, D.D.S,New Windsor, NY1619186277
Common questions
What is Nick Mastromihalis, DDS's NPI number?
Nick Mastromihalis, DDS's National Provider Identifier (NPI) is 1083838254, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nick Mastromihalis, DDS located?
The NPPES record lists a practice address at 101 S Bedford RD, Mount Kisco, NY, 10549. Phone: (914) 241-1177. Providers update this record themselves, so call before visiting.
How can I verify Nick Mastromihalis, DDS's license?
NPPES lists New York license number 0466871, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Nick Mastromihalis, DDS prescribe under Medicare Part D?
In 2024, Nick Mastromihalis, DDS had 299 Medicare Part D claims for 220 beneficiaries; the average among endodontics prescribers was 121. 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.