Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Tik Lung Dion Fung, M.D.

Neurology Physician in Lancaster, CA · enumerated 2007.

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

National Provider Identifier

1710167994

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Registry record

Entity type Individual (Type 1)

Name Tik Lung Dion Fung

Credential M.D.

Sex Male

Practice address 42135 10th St W, Suite 301, Lancaster, CA, 93534

Phone (661) 945-6931

Fax (661) 945-4592

Enumeration date Nov 6, 2007

Last updated in NPPES Dec 6, 2021

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License A98198 (CA) 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

How do I verify Tik Lung Dion Fung's NPI record?

Cross-check NPI 1710167994 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1710167994 active?

Yes, as of the latest NPPES snapshot, NPI 1710167994 is active (record last updated 2021-12-06).

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