Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chaw-Ning Lee, MD, PHD

Pediatric Dermatology Physician in Palo Alto, CA · enumerated 2025.

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

National Provider Identifier

1891685640

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Registry record

Entity type Individual (Type 1)

Name Chaw-Ning Lee

Credential MD, PHD

Sex Female

Practice address 730 Welch Rd Ste 105, Palo Alto, CA, 94304

Phone (469) 988-2859

Enumeration date Jul 3, 2025

Last updated in NPPES Nov 7, 2025

Taxonomy & licenses

207NP0225X Pediatric Dermatology Physician Allopathic & Osteopathic Physicians · License SPI912 (CA) 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
2113	Other	CA	SPECIAL PROGRAMS 2113

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

How do I verify Chaw-Ning Lee's NPI record?

Cross-check NPI 1891685640 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1891685640 active?

Yes, as of the latest NPPES snapshot, NPI 1891685640 is active (record last updated 2025-11-07).

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-07.