NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Sherna Madan, MD, Inc.

Medical Specialty Clinic/Center in San Carlos, CA · enumerated 2006 · authorized official Brian Clark, Office Manager.

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

National Provider Identifier

1558459701

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Sherna Madan, MD, Inc.
Practice address 1100 Laurel St, Suite B, San Carlos, CA, 94070
Phone (650) 631-6800
Fax (650) 631-6801
Enumeration date Oct 11, 2006
Last updated in NPPES Sep 18, 2008

Taxonomy & classification

261QM2500X Medical Specialty Clinic/Center Ambulatory Health Care Facilities · License G43846 (CA) Primary

Authorized official

Name Brian Clark
Title Office Manager
Phone (650) 631-6800

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

How current is this record?
Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2008-09-18. Verify at npiregistry.cms.hhs.gov.
Where is Sherna Madan, MD, Inc. located?
The practice location on file with NPPES is in San Carlos, CA.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-18.