NPI Portal NPI Lookup & Verification

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

Diane Marie Grinage, M.A., M.S. - CCC/SLP

Speech-Language Pathologist in Fairfax, VA · enumerated 2009 · practices at Director of Finance-County of Fairfax Va.

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

National Provider Identifier

1962645721

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Diane Marie Grinage
Credential M.A., M.S. - CCC/SLP
Sex Female
Practice address Fairfax, VA, 22030
Phone (703) 246-7194
Enumeration date Apr 9, 2009
Last updated in NPPES Apr 9, 2009

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

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 2202005089 (VA) Primary
SLP · Speech-Language Pathologist: A licensed clinician treating speech, language, and swallowing disorders. About the SLP 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

Is NPI 1962645721 active?
Yes, as of the latest NPPES snapshot, NPI 1962645721 is active (record last updated 2009-04-09).
How do I verify Diane Grinage's NPI record?
Cross-check NPI 1962645721 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-04-09.