Dr. Louis A.klein
NPI 1538488226 · Obstetrics & Gynecology Physician · Walnut Creek, CA
Dr. Louis A.klein is a Obstetrics & Gynecology Physician organization in Walnut Creek, CA (NPI 1538488226).
Provider details
- NPI number
- 1538488226
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Louis Klein, Owner(925) 937-0995
- License
- G21120 (CA)
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
16 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
- 2010-05-20
- Last updated
- 2010-05-20
Frequently asked questions
- What is Dr. Louis A.klein's NPI number?
- Dr. Louis A.klein's National Provider Identifier (NPI) is 1538488226, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Louis A.klein?
- Dr. Louis A.klein is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Dr. Louis A.klein located?
- Dr. Louis A.klein's practice location on file with NPPES is 112 La Casa Via Ste 130, Walnut Creek, CA 94598-3016.
- What is Dr. Louis A.klein's phone number?
- The practice phone number listed in the NPPES registry for Dr. Louis A.klein is (925) 937-0995.
- Who is the authorized official for Dr. Louis A.klein?
- The authorized official listed on Dr. Louis A.klein's NPPES record is Louis Klein, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Louis A.klein's NPI active?
- Yes — Dr. Louis A.klein's NPI (1538488226) is active in the NPPES registry as of the last update on 2010-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.