William Marasovich, MD DDS
NPI 1720039449 · Otolaryngology Physician · Sewickley, PA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Marasovich, MD DDS is a Otolaryngology Physician provider in Sewickley, PA (NPI 1720039449).
Provider details
- NPI number
- 1720039449
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD DDS
- Sex
- Male
- Sole proprietor
- No
- License
- MD048638L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
9,566 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) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 6,230 | $13 |
| Professional Service for Multiple Injections of Allergen95117 | 1,368 | $10 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 960 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 782 | $80 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 130 | $98 |
| Removal of Impacted Ear Wax69210 | 52 | $41 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 587 | 387 |
| Pantoprazole Sodium | 248 | 63 |
| Famotidine | 237 | 62 |
| Azithromycin | 195 | 137 |
| Diazepam | 73 | 23 |
| Cefuroxime Axetilbrand: Cefuroxime | 59 | 41 |
| Azelastine Hcl | 52 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,965 across 18 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
- 2006-05-15
- Last updated
- 2008-04-17
Frequently asked questions
- What is William Marasovich's NPI number?
- William Marasovich's National Provider Identifier (NPI) is 1720039449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marasovich's specialty?
- William Marasovich is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is William Marasovich located?
- William Marasovich's practice location on file with NPPES is 701 Broad St, Sewickley, PA 15143-1652.
- What is William Marasovich's phone number?
- The practice phone number listed in the NPPES registry for William Marasovich is (412) 741-2123.
- Does William Marasovich accept Medicare?
- William Marasovich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Marasovich's NPI active?
- Yes — William Marasovich's NPI (1720039449) is active in the NPPES registry as of the last update on 2008-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.