Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mark V Rubertone, M.D.

Public Health & General Preventive Medicine Physician in Silver Spring, MD · enumerated 2008.

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

National Provider Identifier

1235309766

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Registry record

Entity type Individual (Type 1)

Name Dr. Mark V Rubertone

Credential M.D.

Sex Male

Practice address 2900 Linden Ln, Suite 200, Silver Spring, MD, 20910

Phone (301) 319-3250

Enumeration date Mar 12, 2008

Last updated in NPPES Mar 12, 2008

Taxonomy & licenses

2083P0901X Public Health & General Preventive Medicine Physician Allopathic & Osteopathic Physicians · License 16898 (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

How do I verify Mark Rubertone's NPI record?

Cross-check NPI 1235309766 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1235309766 active?

Yes, as of the latest NPPES snapshot, NPI 1235309766 is active (record last updated 2008-03-12).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-03-12.