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

Ruth Ann Crystal, MD, a Professional Corporation

Organization Obstetrics & Gynecology Physician · NPI 1881640423

Ruth Ann Crystal, MD, a Professional Corporation is an Obstetrics & Gynecology Physician in Palo Alto, California. Registered with an NPI since 2006.

In the registry since
2006

Practice location Address checks out

3200 Middlefield Rd Ste C
Palo Alto, CA 94306-3046
Phone: (650) 858-6800
Fax: (650) 858-6868
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X

Record details

NPI number1881640423
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Ruth Crystal — President · (650) 858-6800
NPI enumeratedMay 25, 2006
Last updated in NPPESDecember 3, 2007
Mailing address3200 Middlefield Rd, Suite C, Palo Alto, CA 94306-3046

Other providers in Palo Alto