Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Matkowski, AGPCNP-BC

Nurse Practitioner in Manassas, VA · enumerated 2021.

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

National Provider Identifier

1932879806

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Registry record

Entity type Individual (Type 1)

Name Catherine Matkowski

Credential AGPCNP-BC

Sex Female

Practice address 8100 Ashton Ave Ste 101, Manassas, VA, 20109

Phone (703) 257-8090

Enumeration date Sep 14, 2021

Last updated in NPPES Sep 14, 2021

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 0024182157 (VA) Primary

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 specialty is Catherine Matkowski?

Catherine Matkowski is registered in NPPES with the primary taxonomy of Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Nitu Pandit Physical Therapist · Manassas, VA NPI 1760597843 Kavita Kalidindi Family Medicine Physician · Manassas, VA NPI 1801002449 Charleen Nosar Nurse Practitioner · Manassas, VA NPI 1376791483 Samira Milanizadeh Professional Counselor · Manassas, VA NPI 1811417843 Elizabeth Idris Family Nurse Practitioner · Manassas, VA NPI 1255826350 Michelle Alvarado Family Nurse Practitioner · Manassas, VA NPI 1336712595 Marianne Manubag Family Nurse Practitioner · Manassas, VA NPI 1942197827

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-14.