William Powlis, M.D.
NPI 1083656771 · Radiation Oncology Physician · South Weymouth, MA
William Powlis, M.D. is a Radiation Oncology Physician provider in South Weymouth, MA (NPI 1083656771).
Provider details
- NPI number
- 1083656771
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD027906E (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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-10
- Last updated
- 2015-08-24
Frequently asked questions
- What is William Powlis's NPI number?
- William Powlis's National Provider Identifier (NPI) is 1083656771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Powlis's specialty?
- William Powlis is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Powlis located?
- William Powlis's practice location on file with NPPES is 101 Columbian St, South Weymouth, MA 02190-1601.
- What is William Powlis's phone number?
- The practice phone number listed in the NPPES registry for William Powlis is (781) 624-4700.
- Is William Powlis's NPI active?
- Yes — William Powlis's NPI (1083656771) is active in the NPPES registry as of the last update on 2015-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.