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Arthur Klein, M.D.
NPI 1881664381 · Anesthesiology Physician · Los Angeles, CA
Arthur Klein, M.D. is a Anesthesiology Physician provider in Los Angeles, CA (NPI 1881664381).
Provider details
- NPI number
- 1881664381
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G9076 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
1225 Wilshire Blvd
Los Angeles, CA 90017-1901
Phone: (213) 977-2121
Street-level locationGet directions
Mailing address
210 N Tustin Ave
Santa Ana, CA 92705-3807
Registry dates
- Enumerated
- 2006-01-25
- Last updated
- 2008-01-08
Frequently asked questions
- What is Arthur Klein's NPI number?
- Arthur Klein's National Provider Identifier (NPI) is 1881664381, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arthur Klein's specialty?
- Arthur Klein is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Arthur Klein located?
- Arthur Klein's practice location on file with NPPES is 1225 Wilshire Blvd, Los Angeles, CA 90017-1901.
- What is Arthur Klein's phone number?
- The practice phone number listed in the NPPES registry for Arthur Klein is (213) 977-2121.
- Is Arthur Klein's NPI active?
- Yes — Arthur Klein's NPI (1881664381) is active in the NPPES registry as of the last update on 2008-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.