Douglas Klein, D.D.S., M.S.D.
NPI 1336240993 · Orthodontics and Dentofacial Orthopedics Dentistry · Lake Oswego, OR
Douglas Klein, D.D.S., M.S.D. is a Orthodontics and Dentofacial Orthopedics Dentistry provider in Lake Oswego, OR (NPI 1336240993).
Provider details
- NPI number
- 1336240993
- Entity type
- Individual
- Primary specialty
- Orthodontics and Dentofacial Orthopedics DentistryDental Providers
- Credential
- D.D.S., M.S.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D5860 (OR)
Specialties & taxonomies
Dental Providers
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
- 2006-09-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Douglas Klein's NPI number?
- Douglas Klein's National Provider Identifier (NPI) is 1336240993, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Klein's specialty?
- Douglas Klein is listed in the NPPES registry with a primary specialty of Orthodontics and Dentofacial Orthopedics Dentistry (Dental Providers).
- Where is Douglas Klein located?
- Douglas Klein's practice location on file with NPPES is 601 1st St, Lake Oswego, OR 97034-2328.
- What is Douglas Klein's phone number?
- The practice phone number listed in the NPPES registry for Douglas Klein is (503) 636-8491.
- Is Douglas Klein's NPI active?
- Yes — Douglas Klein's NPI (1336240993) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.