Nick Mastromihalis, DDS
- Part D claims, 2024
- 299
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 101 S Bedford Rd, Mount Kisco, NY 10549-3439
- Practice phone
- Call (914) 241-1177
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Westchester Putnam Endodontics
Dental practice · Mount Kisco, New York
Find Nick Mastromihalis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Nick Mastromihalis is an endodontist in Mount Kisco, New York
Nick Mastromihalis practices at Westchester Putnam Endodontics in Mount Kisco, New York.
Nick Mastromihalis' NPI, 1083838254, was assigned on April 12, 2007. Nick Mastromihalis holds New York license 0466871.
- NPI
- 1083838254NPI Registry (opens in a new tab)
- NPI enumeration date
- April 12, 2007
- NPI status
- Active
- Practice phone
- (914) 241-1177
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nick Mastromihalis practices at Westchester Putnam Endodontics in Mount Kisco, New York
Nick Mastromihalis' primary practice is Westchester Putnam Endodontics, at 101 S Bedford Rd, Mount Kisco, NY 10549-3439. The practice phone is (914) 241-1177.
- Westchester Putnam Endodontics101 S Bedford Rd, Mount Kisco, NY 10549-3439Phone(914) 241-1177
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Nick Mastromihalis is affiliated with 2 sites of care and 1 medical group
Nick Mastromihalis' primary practice is Westchester Putnam Endodontics in Mount Kisco, New York. Dmand AI also links Nick Mastromihalis to 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Nick Mastromihalis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Nick Mastromihalis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Westchester Putnam Endodontics | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Nick Mastromihalis is one of 172 endodontists in New York
Endodontics is Nick Mastromihalis' primary specialty in the NPI Registry, under taxonomy code 1223E0200X. Nick Mastromihalis is licensed in New York.
Specialties and state licenses
- Endodontist, New YorkPrimary
Endodontists near Nick Mastromihalis
Counts of endodontists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Nick Mastromihalis wrote 299 Medicare Part D claims in 2024
In 2024, Nick Mastromihalis wrote 299 Medicare Part D claims for 220 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Nick Mastromihalis' Part D claims, 2024
- Opioids4%12 of 299 claims
- Antibiotics89%265 of 299 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Nick Mastromihalis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Nick Mastromihalis
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What is Nick Mastromihalis' NPI number?
Nick Mastromihalis' NPI number is 1083838254. It was assigned on April 12, 2007, and it is active in the NPI Registry.
What does Nick Mastromihalis specialize in?
Nick Mastromihalis is an endodontist in Mount Kisco, New York. The primary specialty in the NPI Registry is Endodontist (taxonomy code 1223E0200X).
Where does Nick Mastromihalis practice?
Nick Mastromihalis practices at 101 S Bedford Rd, Mount Kisco, NY 10549-3439. Nick Mastromihalis' primary practice is Westchester Putnam Endodontics in Mount Kisco, New York. Dmand AI also links Nick Mastromihalis to 1 physician office and 1 medical group.
What is Nick Mastromihalis' office phone number?
The practice phone on file for Nick Mastromihalis is (914) 241-1177.
What is Nick Mastromihalis' medical license number?
Nick Mastromihalis holds New York license 0466871.
How long has Nick Mastromihalis been practicing?
Nick Mastromihalis' NPI was assigned in 2007.
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