Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rosalie Chang, MD

Hospitalist Physician in Denver, CO · enumerated 2006.

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

National Provider Identifier

1417929738

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Registry record

Entity type Individual (Type 1)

Name Rosalie Chang

Credential MD

Sex Female

Practice address 835 E 18th Ave Ste 110, Denver, CO, 80218

Phone (303) 825-4646

Fax (303) 825-3215

Enumeration date Feb 2, 2006

Last updated in NPPES Aug 9, 2018

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 43820 (CO) Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 43820 (CO) Primary

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
56572573	Medicaid	CO	-

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 Rosalie Chang?

The National Provider Identifier (NPI) for Rosalie Chang is 1417929738, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rosalie Chang practice?

The practice location on file with NPPES is in Denver, CO. 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 2018-08-09.