Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Tien-Lan Chang, MD
Pediatrics Physician in Malden, MA · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1255313771
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Registry record
Entity type Individual (Type 1)
Name Dr. Tien-Lan Chang
Credential MD
Sex Male
Practice address 105 Commercial St, Malden, MA, 02148
Phone (781) 322-5101
Fax (781) 322-5820
Enumeration date Nov 18, 2005
Last updated in NPPES Aug 4, 2008
Taxonomy & licenses
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 |
|---|---|---|---|
| 3024253 | Medicaid | MA | - |
| 710885 | Other | MA | TUFTS HEALTH PLAN |
| J06703 | Other | MA | BCBS MA |
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.
Frequently asked questions
Where does Tien-Lan Chang practice?
The practice location on file with NPPES is in Malden, MA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Tien-Lan Chang?
The National Provider Identifier (NPI) for Tien-Lan Chang is 1255313771, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Austin Liu Pediatrics Physician · Malden, MA NPI 1548233588 Pediatric Associates of Malden, PC Pediatrics Physician · Malden, MA NPI 1134193097 Maura Shea Pediatrics Physician · Malden, MA NPI 1750320743 Rosalinda Ott Pediatrics Physician · Malden, MA NPI 1679648307 Pediatric Associates of Malden PC Pediatrics Physician · Malden, MA NPI 1942378633 Tracy-Jane Pierre Clinical Social Worker · Malden, MA NPI 1619643020
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-08-04.