Nicholas Mason, MD
NPI 1346877719 · General Practice Physician · Pearl Harbor, HI
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Mason, MD is a General Practice Physician provider in Pearl Harbor, HI (NPI 1346877719).
Provider details
- NPI number
- 1346877719
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 70399 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-03-25
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Nicholas Mason's NPI number?
- Nicholas Mason's National Provider Identifier (NPI) is 1346877719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Mason's specialty?
- Nicholas Mason is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Mason located?
- Nicholas Mason's practice location on file with NPPES is 480 Central Ave, Pearl Harbor, HI 96860-4908.
- What is Nicholas Mason's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Mason is (703) 347-4146.
- Does Nicholas Mason accept Medicare?
- Nicholas Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Mason's NPI active?
- Yes — Nicholas Mason's NPI (1346877719) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.