Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Charles F. Tuffli Jr M.D. A Medical Corporation

Interventional Cardiology Physician in San Jose, CA · enumerated 2006 · authorized official Charles Tuffli, President.

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

National Provider Identifier

1710909643

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Registry record

Entity type Organization (Type 2)

Legal business name Charles F. Tuffli Jr M.D. A Medical Corporation

Practice address 2100 Forest Ave, Suite 101, San Jose, CA, 95128

Phone (408) 286-6900

Fax (408) 286-6917

Enumeration date Jul 23, 2006

Last updated in NPPES Nov 16, 2007

Taxonomy & classification

207RI0011X Interventional Cardiology Physician Allopathic & Osteopathic Physicians · License G021128 (CA) Primary

Authorized official

Name Charles Tuffli

Title President

Phone (408) 286-6900

Other identifiers

Identifier	Type	State	Issuer
00G211280	Other	CA	MEDICARE PROVIDER ID

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 type of organization is Charles F. Tuffli Jr M.D. A Medical Corporation?

Charles F. Tuffli Jr M.D. A Medical Corporation is registered in NPPES as a Interventional Cardiology Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-11-16.