William Ericson, M.D.
NPI 1033216833 · Orthopaedic Surgery Physician · Mountlake Terrace, WA
William Ericson, M.D. is a Orthopaedic Surgery Physician provider in Mountlake Terrace, WA (NPI 1033216833).
Provider details
- NPI number
- 1033216833
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 00044072 (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
19 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
- 2006-09-20
- Last updated
- 2007-08-17
Frequently asked questions
- What is William Ericson's NPI number?
- William Ericson's National Provider Identifier (NPI) is 1033216833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ericson's specialty?
- William Ericson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Ericson located?
- William Ericson's practice location on file with NPPES is 6100 219th St Sw, Mountlake Terrace, WA 98043-2222.
- What is William Ericson's phone number?
- The practice phone number listed in the NPPES registry for William Ericson is (425) 776-4444.
- Is William Ericson's NPI active?
- Yes — William Ericson's NPI (1033216833) is active in the NPPES registry as of the last update on 2007-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.