Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

For Women By Women A Medical Group A Professional Corporation

Gynecology Physician in Los Gatos, CA · enumerated 2011 · authorized official Rosanne Mayhew, Medical Director.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1578860060

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Registry record

Entity type Organization (Type 2)

Legal business name For Women By Women A Medical Group A Professional Corporation

Practice address 555 Knowles Dr, Suite 218, Los Gatos, CA, 95032

Phone (408) 871-1885

Enumeration date Feb 17, 2011

Last updated in NPPES Nov 6, 2015

Taxonomy & classification

207VG0400X Gynecology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Rosanne Mayhew

Title Medical Director

Phone (408) 871-1885

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for For Women By Women A Medical Group A Professional Corporation?

The NPI for For Women By Women A Medical Group A Professional Corporation is 1578860060, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for For Women By Women A Medical Group A Professional Corporation?

NPPES lists Rosanne Mayhew (Medical Director) as the authorized official for this organization.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-11-06.