John Larsen, MD
NPI 1932128576 · Anesthesiology Physician · Lakewood, WA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Larsen, MD is a Anesthesiology Physician provider in Lakewood, WA (NPI 1932128576).
Provider details
- NPI number
- 1932128576
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00043782 (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
- 2006-07-18
- Last updated
- 2020-08-21
- Certified
- 2020-08-21
Frequently asked questions
- What is John Larsen's NPI number?
- John Larsen's National Provider Identifier (NPI) is 1932128576, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Larsen's specialty?
- John Larsen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Larsen located?
- John Larsen's practice location on file with NPPES is 11315 Bridgeport Way Sw, Lakewood, WA 98499-3004.
- What is John Larsen's phone number?
- The practice phone number listed in the NPPES registry for John Larsen is (253) 985-6403.
- Does John Larsen accept Medicare?
- John Larsen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Larsen's NPI active?
- Yes — John Larsen's NPI (1932128576) is active in the NPPES registry as of the last update on 2020-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.