Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Christopher Michael Walsh, MD

Internal Medicine Physician in Arlington, VA · enumerated 2006.

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

National Provider Identifier

1699788190

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher Michael Walsh

Credential MD

Sex Male

Practice address 2800 S Shirlington Rd Ste 500, Arlington, VA, 22206

Phone (703) 717-4245

Fax (703) 717-4248

Enumeration date Aug 14, 2006

Last updated in NPPES Dec 29, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 0101236047 (VA) 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.

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Frequently asked questions

How do I verify Christopher Walsh's NPI record?

Cross-check NPI 1699788190 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1699788190 active?

Yes, as of the latest NPPES snapshot, NPI 1699788190 is active (record last updated 2020-12-29).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-12-29.