NPI Portal NPI Lookup & Verification

Thomas Chan, DO

Thomas Chan is a Pediatrics Physician provider (Pediatrics) practicing in Central Islip, NY, registered in the NPPES registry with NPI 1932203312 since 2006. The credential DO stands for Doctor of Osteopathic Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1932203312
Entity type Individual (Type 1)
Name Thomas Chan
Credential DO
Sex Male
Practice address 267 CARLETON AVE, Central Islip, NY, 11722
Phone 6313483254
Fax 6313483031
Enumeration date 2006-09-07
Last updated in NPPES 2013-01-28

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208000000X Pediatrics Physician Primary 2271241 NY

DO — Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Copy-ready billing details
Provider: Thomas Chan, DO
NPI: 1932203312
Taxonomy: 208000000X (Pediatrics Physician)
Address: 267 CARLETON AVE, Central Islip, NY, 11722

Other providers at this practice address

NPI Name Type Specialty Location
1902869555 Sonia Rivera Martinez Individual Family Medicine Physician Central Islip, NY
1245317999 Donna Mcmahon Individual Pediatrics Physician Central Islip, NY
1750524484 Natalie Anatol Individual Speech-Language Pathologist Central Islip, NY

Verify this record

Cross-check NPI 1932203312 against the authoritative CMS record: view Thomas Chan on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

What is the NPI number for Thomas Chan?
The National Provider Identifier (NPI) for Thomas Chan is 1932203312, a Type 1 (individual) record in the CMS NPPES registry.
Where does Thomas Chan practice?
The practice location on file with NPPES is in Central Islip, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2013-01-28.