Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Connie T Tan, M D A Professional Corporation

Obstetrics & Gynecology Physician in Mountain View, CA · enumerated 2011 · authorized official Connie Tan, Ceo.

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

National Provider Identifier

1922390657

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Registry record

Entity type Organization (Type 2)

Legal business name Connie T Tan, M D A Professional Corporation

Practice address 2485 Hospital Dr, Suite 251, Mountain View, CA, 94040

Phone (650) 988-7688

Fax (650) 988-7638

Enumeration date May 13, 2011

Last updated in NPPES May 16, 2011

Taxonomy & classification

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License G634870 (CA) Primary

Authorized official

Name Connie Tan

Title Ceo

Phone (650) 988-7688

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

Who is the authorized official for Connie T Tan, M D A Professional Corporation?

NPPES lists Connie Tan (Ceo) as the authorized official for this organization.

What is the NPI number for Connie T Tan, M D A Professional Corporation?

The NPI for Connie T Tan, M D A Professional Corporation is 1922390657, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-05-16.