Louis Weckstein, MD
NPI 1700818036 · Reproductive Endocrinology Physician · San Ramon, CA
Louis Weckstein, MD is a Reproductive Endocrinology Physician provider in San Ramon, CA (NPI 1700818036).
Provider details
- NPI number
- 1700818036
- Entity type
- Individual
- Primary specialty
- Reproductive Endocrinology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G45110 (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
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
- 2006-07-07
- Last updated
- 2014-03-10
Frequently asked questions
- What is Louis Weckstein's NPI number?
- Louis Weckstein's National Provider Identifier (NPI) is 1700818036, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Weckstein's specialty?
- Louis Weckstein is listed in the NPPES registry with a primary specialty of Reproductive Endocrinology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Weckstein located?
- Louis Weckstein's practice location on file with NPPES is 100 Park Place, San Ramon, CA 94583.
- What is Louis Weckstein's phone number?
- The practice phone number listed in the NPPES registry for Louis Weckstein is (925) 867-1800.
- Is Louis Weckstein's NPI active?
- Yes — Louis Weckstein's NPI (1700818036) is active in the NPPES registry as of the last update on 2014-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.