Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jim Chin-Sin Chen, MD

Q: What is the NPI number for Jim Chen?

The National Provider Identifier (NPI) for Jim Chen is 1255337960, a Type 1 (individual) record in the CMS NPPES registry.

Vascular & Interventional Radiology Physician in Roseville, CA · enumerated 2005 · practices at Radiological Associates of Sacramento Medical Group.

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

National Provider Identifier

1255337960

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Registry record

Entity type Individual (Type 1)

Name Jim Chin-Sin Chen

Credential MD

Sex Male

Practice address 1640 E Roseville Pkwy, Roseville, CA, 95661

Phone (916) 784-2277

Fax (916) 932-1104

Enumeration date Jun 27, 2005

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

2085B0100X Body Imaging Physician Allopathic & Osteopathic Physicians · License G48199 (CA) Secondary

2085N0700X Neuroradiology Physician Allopathic & Osteopathic Physicians · License G48199 (CA) Secondary

2085N0904X Nuclear Radiology Physician Allopathic & Osteopathic Physicians · License G48199 (CA) Secondary

2085R0202X Diagnostic Radiology Physician Allopathic & Osteopathic Physicians · License G48199 (CA) Secondary

2085R0203X Therapeutic Radiology Physician Allopathic & Osteopathic Physicians · License G48199 (CA) Secondary

2085R0204X Vascular & Interventional Radiology Physician Allopathic & Osteopathic Physicians · License G48199 (CA) Primary

2085R0205X Radiological Physics Physician Allopathic & Osteopathic Physicians · License G48199 (CA) Secondary

2085U0001X Diagnostic Ultrasound Physician Allopathic & Osteopathic Physicians · License G48199 (CA) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 Jim Chen?

The National Provider Identifier (NPI) for Jim Chen is 1255337960, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jim Chen practice?

The practice location on file with NPPES is in Roseville, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.