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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CHUN CHEN PRIMARY MEDICAL CARE PC
NPI 1407231350
Internal Medicine in Stony Brook, NY

Active since July 21, 2015CLIA 33D1019757 · Waiver
2500 NESCONSET HWY BLDG 8D, STONY BROOK, NY 11790(631) 366-4550 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 23, 2026, Feb 17, 2016 (2 updates tracked since 2016).

About Dr. Chun Chen Primary Medical Care Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHUN CHEN PRIMARY MEDICAL CARE PC (NPI 1407231350) is a healthcare organization registered as an internal medicine in Stony Brook, New York and active in the NPI registry since July 2015. The organization holds a CLIA Waiver certificate valid through November 25, 2027 and lists Chun Chen, President, as its authorized official.

NPPES Registry Identity

NPI1407231350
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDR. CHUN CHEN PRIMARY MEDICAL CARE PC
Location Address2500 NESCONSET HWY BLDG 8DStony Brook, NY 11790-2552
Mailing Address2500 Nesconset Hwy Bldg 8dStony Brook, NY 11790-2552 · (631) 366-4550
Phone(631) 366-4550
Organization SubpartNo
Authorized OfficialChun ChenPresident · (631) 366-4550
Enumeration DateJuly 21, 2015
Last NPPES UpdateJuly 23, 20262 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1407231350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 244759
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2500 NESCONSET HWY BLDG 8D, Stony Brook, NY 11790
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D1019757

Dr Chun Chen Primary Medical Care PC · Stony Brook, NY
Active · expires Nov 25, 2027
CLIA Number33D1019757
Laboratory TypePhysician Office
Certificate Effective DateNovember 26, 2025
Certificate Expiration DateNovember 25, 2027
Laboratory DirectorDr. Chun Chen
Laboratory Phone(631) 366-4550
Laboratory LocationDr Chun Chen Primary Medical Care PC2500 Nesconset Hwy Bldg 8 D, Stony Brook, NY 11790
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHUN CHEN
Internal Medicine
2500 NESCONSET HWY BLDG 8D
STONY BROOK, NY 11790
Suffolk County (631) 366-4550

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dr. Chun Chen Primary Medical Care PC's NPI number?

The NPI number for Dr. Chun Chen Primary Medical Care PC is 1407231350. It was assigned to this organization in the NPPES registry on July 21, 2015.

Where is Dr. Chun Chen Primary Medical Care PC located?

Dr. Chun Chen Primary Medical Care PC is located at 2500 Nesconset Hwy Bldg 8D, Stony Brook, NY 11790. The listed phone number is (631) 366-4550.

What is Dr. Chun Chen Primary Medical Care PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Dr. Chun Chen Primary Medical Care PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D1019757) is associated with this NPI, valid through November 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Dr. Chun Chen Primary Medical Care PC was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.