Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hans Chiang, MD, MBA, MS

Q: What is the NPI number for Hans Chiang?

The National Provider Identifier (NPI) for Hans Chiang is 1639675648, a Type 1 (individual) record in the CMS NPPES registry.

Hospitalist Physician in Milton, MA · enumerated 2018.

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

National Provider Identifier

1639675648

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Registry record

Entity type Individual (Type 1)

Name Hans Chiang

Credential MD, MBA, MS

Sex Male

Practice address 199 Reedsdale Rd, Milton, MA, 02186

Phone (617) 313-1377

Enumeration date Mar 30, 2018

Last updated in NPPES Jun 28, 2022

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 292070 (MA) Primary

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 Hans Chiang?

The National Provider Identifier (NPI) for Hans Chiang is 1639675648, a Type 1 (individual) record in the CMS NPPES registry.

Where does Hans Chiang practice?

The practice location on file with NPPES is in Milton, MA. 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 2022-06-28.