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RUTH ANN CRYSTAL MD
NPI 1396792651
Obstetrics & Gynecology in Palo Alto, CA

Active since May 30, 2006
3200 MIDDLEFIELD RD, SUITE C, PALO ALTO, CA 94306(650) 858-6800(650) 858-6868 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ruth Ann Crystal Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RUTH ANN CRYSTAL MD (NPI 1396792651) is an individual obstetrics & gynecology provider in Palo Alto, California, licensed in California (A54873) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1396792651
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameRUTH ANN CRYSTALCredential: MD
Location Address3200 MIDDLEFIELD RD, SUITE CPalo Alto, CA 94306-3046
Mailing Address3200 Middlefield Rd, Suite CPalo Alto, CA 94306-3046 · (650) 858-6800 · Fax (650) 858-6868
Phone(650) 858-6800
Fax(650) 858-6868
Sole ProprietorYes
Enumeration DateMay 30, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1396792651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A54873
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
3200 MIDDLEFIELD RD, Palo Alto, CA 94306
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Other Identifiers 2

Medicare ID-Type Unspecified00A548730CA
Medicare UPING88308CA

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. THALIA MARYAM HALE N.D.
Naturopath
3200 MIDDLEFIELD RD
PALO ALTO, CA 94306
Santa Clara County (650) 485-2758
TYLER THOMAS WUTHMANN ND
Naturopath
3200 MIDDLEFIELD RD
PALO ALTO, CA 94306
Santa Clara County (650) 485-2758
RUTH ANN CRYSTAL, MD, A PROFESSIONAL CORPORATION
Obstetrics & Gynecology
3200 MIDDLEFIELD RD, SUITE C
PALO ALTO, CA 94306
Santa Clara County (650) 858-6800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ruth Crystal's NPI number?

The NPI number for Ruth Crystal is 1396792651. It was assigned to this individual provider in the NPPES registry on May 30, 2006.

Where is Ruth Crystal located?

Ruth Crystal practices at 3200 Middlefield Rd Suite C, Palo Alto, CA 94306. The listed phone number is (650) 858-6800.

What is Ruth Crystal's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

When was this NPI record last updated?

The NPPES record for Ruth Crystal was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.