Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Sondra J Altman MD Inc a Professional Corporation

Organization Gynecology Physician · NPI 1720300197

Sondra J Altman MD Inc a Professional Corporation provides Gynecology Physician services in Walnut Creek, California. Licensed in California. Registered with an NPI since 2010.

Licensed in
CA
In the registry since
2010
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

120 La Casa Via Ste 104
Walnut Creek, CA 94598-3067 Not confirmed with CMS for 16 years — call before visiting
Phone: (925) 947-5945
Fax: (925) 947-5523
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecology Physician (primary) Taxonomy 207VG0400X · Licence G44014 (CA)

Record details

NPI number1720300197
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sondra Altman — Ceo · (925) 947-5945
NPI enumeratedFebruary 25, 2010
Last updated in NPPESJune 16, 2010
Mailing address120 La Casa Via, Suite 104, Walnut Creek, CA 94598-3067

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