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Lawrence Klassen, M.D.
NPI 1932238565 · Family Medicine Physician · Renton, WA
Lawrence Klassen, M.D. is a Family Medicine Physician provider in Renton, WA (NPI 1932238565).
Provider details
- NPI number
- 1932238565
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00019170 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
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
275 Bronson Way Ne
Renton, WA 98056-4030
Phone: (425) 325-2800
Street-level locationGet directions
Mailing address
Po Box 34581
Seattle, WA 98124-1581
Registry dates
- Enumerated
- 2007-03-02
- Last updated
- 2009-09-04
Frequently asked questions
- What is Lawrence Klassen's NPI number?
- Lawrence Klassen's National Provider Identifier (NPI) is 1932238565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Klassen's specialty?
- Lawrence Klassen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Klassen located?
- Lawrence Klassen's practice location on file with NPPES is 275 Bronson Way Ne, Renton, WA 98056-4030.
- What is Lawrence Klassen's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Klassen is (425) 325-2800.
- Is Lawrence Klassen's NPI active?
- Yes — Lawrence Klassen's NPI (1932238565) is active in the NPPES registry as of the last update on 2009-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.