NPI Portal NPI Lookup & Verification

Dr. William Chang, MD

Dr. William Chang is a General Practice Physician provider (General Practice) practicing in Cranston, RI, registered in the NPPES registry with NPI 1700807567 since 2006. The credential MD stands for Doctor of Medicine. Practices at Cranston East Medical Clinic (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1700807567
Entity type Individual (Type 1)
Name Dr. William Chang
Credential MD
Sex Male
Practice address Cranston, RI, 02910
Phone 4019413166
Fax 4019413122
Enumeration date 2006-07-21
Last updated in NPPES 2009-07-23

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208D00000X General Practice Physician Primary 06631 RI

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

Other identifiers

Identifier Type State Issuer
7001847 Medicaid RI
Copy-ready billing details
Provider: William Chang, MD
NPI: 1700807567
Taxonomy: 208D00000X (General Practice Physician)
Address: Cranston, RI, 02910

Other providers at this practice address

NPI Name Type Specialty Location
1396977823 Cranston East Medical Clinic Organization Adult Medicine Physician Cranston, RI

Verify this record

Cross-check NPI 1700807567 against the authoritative CMS record: view Dr. William Chang 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

Where does William Chang practice?
The practice location on file with NPPES is in Cranston, RI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for William Chang?
The National Provider Identifier (NPI) for William Chang is 1700807567, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2009-07-23.