Nicholas Mastros, MD
NPI 1770678930 · Otolaryngology Physician · Steubenville, OH
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Mastros, MD is a Otolaryngology Physician provider in Steubenville, OH (NPI 1770678930).
Provider details
- NPI number
- 1770678930
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.068080 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,104 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 278 | $120 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 217 | $85 |
| Removal of Impacted Ear Wax69210 | 125 | $43 |
| Exam to Assess Movement of Vocal Cord Flaps Using an Endoscope31579 | 102 | $181 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 90 | $157 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 192 | 72 |
| Omeprazole | 146 | 47 |
| Fluticasone Propionate | 122 | 45 |
| Mupirocin | 79 | 43 |
| Mometasone Furoate | 48 | 40 |
| Azithromycin | 27 | 24 |
| Dupilumabbrand: Dupixent Pen | 26 | — |
| Azelastine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$500 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-04
- Last updated
- 2020-05-07
- Certified
- 2020-05-07
Frequently asked questions
- What is Nicholas Mastros's NPI number?
- Nicholas Mastros's National Provider Identifier (NPI) is 1770678930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Mastros's specialty?
- Nicholas Mastros is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Mastros located?
- Nicholas Mastros's practice location on file with NPPES is 2315 Sunset Blvd Ste a, Steubenville, OH 43952-2496.
- What is Nicholas Mastros's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Mastros is (740) 266-7006.
- Does Nicholas Mastros accept Medicare?
- Nicholas Mastros is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Mastros's NPI active?
- Yes — Nicholas Mastros's NPI (1770678930) is active in the NPPES registry as of the last update on 2020-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.