William Marasco, MD
NPI 1588654891 · Diagnostic Radiology Physician · West Yarmouth, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Marasco, MD is a Diagnostic Radiology Physician provider in West Yarmouth, MA (NPI 1588654891).
Provider details
- NPI number
- 1588654891
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 71311 (MA)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,762 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 557 | $53 |
| Screening Mammography77067 | 557 | $131 |
| Complete Ultrasound Scan of 1 Breast76641 | 202 | $106 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 130 | $48 |
| Diagnostic Mammography of Both Breasts77066 | 110 | $163 |
| Limited Ultrasound Scan of 1 Breast76642 | 104 | $87 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2014-04-07
Frequently asked questions
- What is William Marasco's NPI number?
- William Marasco's National Provider Identifier (NPI) is 1588654891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marasco's specialty?
- William Marasco is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Marasco located?
- William Marasco's practice location on file with NPPES is 21 Aarons Way, West Yarmouth, MA 02673-2593.
- What is William Marasco's phone number?
- The practice phone number listed in the NPPES registry for William Marasco is (508) 771-5200.
- Does William Marasco accept Medicare?
- William Marasco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Marasco's NPI active?
- Yes — William Marasco's NPI (1588654891) is active in the NPPES registry as of the last update on 2014-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.