Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Caroline Van Vleck, M.D.

Pediatrics Physician in Washington, DC · enumerated 2007.

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

National Provider Identifier

1386775690

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Registry record

Entity type Individual (Type 1)

Name Dr. Caroline Van Vleck

Credential M.D.

Sex Female

Practice address 4900 Massachusetts Ave., Nw, Lower Level, Washington, DC, 20016

Phone (202) 966-1157

Fax (202) 966-5810

Enumeration date Mar 8, 2007

Last updated in NPPES May 19, 2016

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License MD20814 (DC) 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

What is the NPI number for Caroline Van Vleck?

The National Provider Identifier (NPI) for Caroline Van Vleck is 1386775690, a Type 1 (individual) record in the CMS NPPES registry.

Where does Caroline Van Vleck practice?

The practice location on file with NPPES is in Washington, DC. 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 2016-05-19.