Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sophia Nguyen Zwicker, M.D.

Hospitalist Physician in Lone Tree, CO · enumerated 2012.

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

National Provider Identifier

1871869446

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Registry record

Entity type Individual (Type 1)

Name Dr. Sophia Nguyen Zwicker

Credential M.D.

Sex Female

Practice address 10101 Ridgegate Pkwy, Lone Tree, CO, 80124

Phone (303) 338-4545

Enumeration date Mar 28, 2012

Last updated in NPPES Jun 12, 2021

Taxonomy & licenses

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License A130844 (CA) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License DR.0060574 (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
9000164177	Medicaid	CO	-
015688	Other	CO	KAISER COMMERCIAL NUMBER

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 specialty is Sophia Zwicker?

Sophia Zwicker is registered in NPPES with the primary taxonomy of Hospitalist Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-06-12.