Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Louis N Weckstein, MD

Individual provider Reproductive Endocrinology Physician · NPI 1700818036

Louis N Weckstein, MD is a Reproductive Endocrinology Physician in San Ramon, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

100 Park Pl Ste 200
San Ramon, CA 94583
Phone: (925) 867-1800
Fax: (925) 275-0933
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Reproductive Endocrinology Physician (primary) Taxonomy 207VE0102X · Licence G45110 (CA)

Record details

NPI number1700818036
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESMarch 10, 2014

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