Jeff Mason, M.D.
NPI 1174592588 · Orthopaedic Surgery Physician · Everett, WA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeff Mason, M.D. is a Orthopaedic Surgery Physician provider in Everett, WA (NPI 1174592588).
Provider details
- NPI number
- 1174592588
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00030797 (WA)
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
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
- 2006-03-16
- Last updated
- 2014-03-27
Frequently asked questions
- What is Jeff Mason's NPI number?
- Jeff Mason's National Provider Identifier (NPI) is 1174592588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeff Mason's specialty?
- Jeff Mason is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Jeff Mason located?
- Jeff Mason's practice location on file with NPPES is 1100 Pacific Ave, Everett, WA 98201-4261.
- What is Jeff Mason's phone number?
- The practice phone number listed in the NPPES registry for Jeff Mason is (425) 339-2433.
- Does Jeff Mason accept Medicare?
- Jeff Mason is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeff Mason's NPI active?
- Yes — Jeff Mason's NPI (1174592588) is active in the NPPES registry as of the last update on 2014-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.