DR. WILLIAM A MARASOVICH (MD DDS) – Otolaryngology Physician, NPI 1720039449
Otolaryngology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
641 OTOLARYNGOLOGY in PA
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Provider Addresses for DR. WILLIAM A MARASOVICH (MD DDS)
701, Broad Street, Sewickley, Allegheny County, Pennsylvania, 15143, United States
SUITE D
SEWICKLEY, PA 151431652
Phone: (412) 741-2123
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 36 Open Payments records for all available years, with a total value of $3,641.
Total Amount is formed as General ($3,641) + Research ($0) + Ownership ($0) = $3,641.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: GENZYME CORPORATION ($986).
Total Amount
$3,641
General + Research + Ownership
Payments
36
Total payment records
General Amount
$3,641
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GENZYME CORPORATION | $986 |
| GlaxoSmithKline, LLC. | $985 |
| CSL Behring | $437 |
| Blueprint Medicines Corporation | $355 |
| Genentech USA, Inc. | $243 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-04-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20080401000101 | I | Otolaryngology | PA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95165 | Professional service for preparation and provision of 1 or more antigens | 5,940 | 84 | $0 |
| 95117 | Professional service for multiple injections of allergen | 1,154 | 41 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 743 | 302 | $0 |
| 95024 | Test for allergy using allergenic extract injected into skin | 600 | 15 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 69 | 69 | $0 |
Insurance plans in this area (ZIP 15143)
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