Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Christopher S. Walsh, M.D.

Radiation Oncology Physician in Montross, VA · enumerated 2006 · practices at Virginia Radiation Therapy and Oncology.

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

National Provider Identifier

1699836676

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Registry record

Entity type Individual (Type 1)

Name Dr. Christopher S. Walsh

Credential M.D.

Sex Male

Practice address Montross, VA, 22520

Phone (804) 493-8880

Fax (804) 493-9993

Enumeration date Dec 13, 2006

Last updated in NPPES Oct 9, 2007

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 0101044101 (VA) 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
503970	Other	VA	NCPPO
211132	Other	VA	ANTHEM BLUE CROSS VA

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 1699836676 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1699836676 active?

Yes, as of the latest NPPES snapshot, NPI 1699836676 is active (record last updated 2007-10-09).

Other providers at this practice address

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Virginia Radiation Therapy and Oncology Radiation Oncology Physician · Montross, VA NPI 1043371057

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-10-09.