Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jeff Tai Li Chen, DR

Emergency Medicine Physician in Berkeley, CA · enumerated 2006.

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

National Provider Identifier

1912973074

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Registry record

Entity type Individual (Type 1)

Name Jeff Tai Li Chen

Credential DR

Sex Male

Practice address 2450 Ashby Ave, Berkeley, CA, 94705

Phone (510) 204-2500

Enumeration date Feb 27, 2006

Last updated in NPPES Sep 17, 2012

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License A90900 (CA) Primary

Other identifiers

Identifier	Type	State	Issuer
00A909000	Medicaid	CA	-

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 specialty is Jeff Chen?

Jeff Chen is registered in NPPES with the primary taxonomy of Emergency Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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Henry Tan Critical Care Medicine (Internal Medicine) Physician · Berkeley, CA NPI 1366447369 Sutter East Bay Hospitals General Acute Care Hospital · Berkeley, CA NPI 1013906221 Janice Stinson Perinatal Registered Nurse · Berkeley, CA NPI 1659342525 Xin Yang Cardiovascular Disease Physician · Berkeley, CA NPI 1528034154 Ilan Remler Hospitalist Physician · Berkeley, CA NPI 1114996089 Jerome Burke Anatomic Pathology & Clinical Pathology Physician · Berkeley, CA NPI 1417926072 Alta Anatomic Pathology Medical Group Anatomic Pathology & Clinical Pathology Physician · Berkeley, CA NPI 1720057367 Seta Bedrosian Anatomic Pathology & Clinical Pathology Physician · Berkeley, CA NPI 1558330118

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-09-17.