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

Mary Margaret O'Neill MD Inc

Organization Obstetrics & Gynecology Physician · NPI 1669432092

Mary Margaret O'Neill MD Inc is an Obstetrics & Gynecology Physician in Campbell, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

200 W Campbell Ave
Campbell, CA 95008-1030
Phone: (408) 583-0522
Fax: (408) 583-0527
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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 · Licence G069694 (CA)

Record details

NPI number1669432092
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mary Oneill — President · (408) 583-0522
Other names Cedar Ob/Gyn Inc
NPI enumeratedMarch 28, 2006
Last updated in NPPESMarch 17, 2020
Certification dateMarch 17, 2020
Mailing addressPo Box 187, Campbell, CA 95009-0187

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