Nathalie G. Kassis, PT
Physical Therapist · Fairfax Station, VA
Nathalie G. Kassis, PT is a physical therapist with a practice address in Fairfax Station, Virginia, and NPI 1851400402, issued on Aug 29, 2006. Check the license with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathalie G. Kassis
- Credential
- PT
- Primary taxonomy
- Physical Therapist 225100000X
- Practice location
- 5618 OX RD, Fairfax Station, VA 22039
- Phone
- (703) 426-4949
- Enumerated
- Aug 29, 2006
- Record last updated
- Nov 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080428000186); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 6,893 in Virginia → Look up another NPI →
Also registered at 5618 OX RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Janus, PTPhysical Therapist1750535274
- Carissa KraftPhysical Therapist1538279021
Verify Nathalie G. Kassis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Progress Rehabilitation Network LLCFairfax Station, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathalie G. Kassis among 6,893 physical therapist records in Virginia
Nathalie G. Kassis, PT is one of 6,893 physical therapist records with a practice address in Virginia. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 84% newer
- In a Medicare fileYes · 34% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated1996 · median 2016 among the 2,465 with a school on file
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 physical therapist records list a practice address in Fairfax Station
They are 8 of the 70 NPPES records with a practice address in Fairfax Station, and 6,893 physical therapist records in Virginia.
All 6,893 in Virginia → Every provider in Fairfax Station → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Ellen CourtneyFairfax Station, VA 220391740593722
- Marylouise Ganssle, PTFairfax Station, VA 220391629274907
- Andrew Guccione, D.P.T, PH.D.Fairfax Station, VA 220391477671139
- Catherine Janus, PTFairfax Station, VA 220391750535274
- Carissa KraftFairfax Station, VA 220391538279021
- Emily Lehecka, PTFairfax Station, VA 220391417599630
- Travis Tidwell, PTFairfax Station, VA 220391588919856
- Gregory Ayscue, DPTFalls Church, VA 220411548555477
Common questions
What is Nathalie G. Kassis, PT's NPI number?
Nathalie G. Kassis, PT's National Provider Identifier (NPI) is 1851400402, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathalie G. Kassis, PT located?
The NPPES record lists a practice address at 5618 OX RD, Fairfax Station, VA, 22039. Phone: (703) 426-4949. Providers update this record themselves, so call before visiting.
How can I verify Nathalie G. Kassis, PT's license?
Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.