CYNTHIA MAHONEY M.D.
NPI 1205849031
Specialist in Castro Valley, CA

Active since August 14, 2006
20055 LAKE CHABOT RD, 230, CASTRO VALLEY, CA 94546(510) 881-1490(510) 889-5806 Get Directions Write a Review

NPPES record last updated: July 10, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Cynthia Mahoney M.d. NPPES

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

CYNTHIA MAHONEY M.D. (NPI 1205849031) is an individual specialist in Castro Valley, California, licensed in California (G38257) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1205849031
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameCYNTHIA MAHONEYCredential: M.D.
Location Address20055 LAKE CHABOT RD, 230Castro Valley, CA 94546-5331
Mailing Address20055 Lake Chabot Rd, Suite 230Castro Valley, CA 94546-5331
Fax(510) 889-5806
Sole ProprietorNo
Enumeration DateAugust 14, 2006
Last NPPES UpdateJuly 10, 2007
NPI 1205849031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License Licensed in CA · G38257
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
20055 LAKE CHABOT RD, Castro Valley, CA 94546

Other Identifiers 3

Medicare ID-Type Unspecified00G382570CA
MedicaidGR0045150CA
Medicare UPINA89657CA

Other Providers at the Same Location NPPES 20

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

Neurological Surgery
20055 LAKE CHABOT RD, # 110
CASTRO VALLEY, CA 94546
Neurological Surgery
20055 LAKE CHABOT RD, # 110
CASTRO VALLEY, CA 94546
Internal Medicine
20055 LAKE CHABOT RD, #300
CASTRO VALLEY, CA 94546
Internal Medicine (Medical Oncology)
20055 LAKE CHABOT RD, #130
CASTRO VALLEY, CA 94546
Internal Medicine (Hematology & Oncology)
20055 LAKE CHABOT RD, SUITE 130
CASTRO VALLEY, CA 94546
Allergy & Immunology (Allergy)
20055 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Physician Assistant
20055 LAKE CHABOT RD, SUITE 130
CASTRO VALLEY, CA 94546
Psychiatric Hospital
20055 LAKE CHABOT RD, SUITE 350
CASTRO VALLEY, CA 94546

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 Cynthia Mahoney's NPI number?

The NPI number for Cynthia Mahoney is 1205849031. It was assigned to this individual provider in the NPPES registry on August 14, 2006.

Where is Cynthia Mahoney located?

Cynthia Mahoney practices at 20055 Lake Chabot Rd 230, Castro Valley, CA 94546. The listed phone number is (510) 881-1490.

What is Cynthia Mahoney's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Cynthia Mahoney was last updated on July 10, 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.