Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Allison Nicole Ritzel, PA-C
Physician Assistant in Fairfax, VA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649945171
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Registry record
Entity type Individual (Type 1)
Name Allison Nicole Ritzel
Credential PA-C
Sex Female
Practice address 8501 Arlington Blvd Ste 310, Fairfax, VA, 22031
Phone (703) 645-0077
Fax (703) 645-0130
Enumeration date Aug 16, 2021
Last updated in NPPES Feb 1, 2024
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0110007977 (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.
Frequently asked questions
Where does Allison Ritzel practice?
The practice location on file with NPPES is in Fairfax, VA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Allison Ritzel?
The National Provider Identifier (NPI) for Allison Ritzel is 1649945171, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-01.