William C Mason MD LLC
NPI 1912252768 · Diagnostic Radiology Physician · Carmel, IN
William C Mason MD LLC is a Diagnostic Radiology Physician organization in Carmel, IN (NPI 1912252768).
Provider details
- NPI number
- 1912252768
- Entity type
- Organization
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Mason, Owner(317) 694-0215
- License
- 01036336A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-07-18
- Last updated
- 2016-10-18
Frequently asked questions
- What is William C Mason MD LLC's NPI number?
- William C Mason MD LLC's National Provider Identifier (NPI) is 1912252768, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William C Mason MD LLC?
- William C Mason MD LLC is classified in the NPPES registry as Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is William C Mason MD LLC located?
- William C Mason MD LLC's practice location on file with NPPES is 12238 Bayhill Dr, Carmel, IN 46033-9532.
- What is William C Mason MD LLC's phone number?
- The practice phone number listed in the NPPES registry for William C Mason MD LLC is (317) 694-0215.
- Who is the authorized official for William C Mason MD LLC?
- The authorized official listed on William C Mason MD LLC's NPPES record is William Mason, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William C Mason MD LLC's NPI active?
- Yes — William C Mason MD LLC's NPI (1912252768) is active in the NPPES registry as of the last update on 2016-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.