Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christina Congxiao Wang-Epstein, M.D., PH.D.

Internal Medicine Physician in Somerset, NJ · enumerated 2006.

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

National Provider Identifier

1861591984

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Registry record

Entity type Individual (Type 1)

Name Christina Congxiao Wang-Epstein

Credential M.D., PH.D.

Sex Female

Practice address 75 Veronica Ave, Suite 204, Somerset, NJ, 08873

Phone (732) 828-0002

Fax (732) 828-0153

Enumeration date Sep 22, 2006

Last updated in NPPES Mar 27, 2008

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 25MA07954700 (NJ) 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
109351M26	Other	NJ	MEDICARE ID

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 Christina Wang-Epstein?

The National Provider Identifier (NPI) for Christina Wang-Epstein is 1861591984, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christina Wang-Epstein practice?

The practice location on file with NPPES is in Somerset, NJ. 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 2008-03-27.