FAIR OAKS HOSPITALIST PHYSICIANS, PLLC
NPI 1275601205
Hospitalist in Fairfax, VA
About Fair Oaks Hospitalist Physicians, Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FAIR OAKS HOSPITALIST PHYSICIANS, PLLC (NPI 1275601205) is a healthcare organization registered as a hospitalist in Fairfax, Virginia and active in the NPI registry since November 2006. The organization lists John Jones, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Fair Oaks Hospitalist Physicians, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
112Medicare enrollment records show 112 clinicians reassign Medicare billing to Fair Oaks Hospitalist Physicians, PLLC, which bills Medicare for the services they deliver. Of these, 11 practice at this address and 44 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 8
Nearest to this location (20)
See all 112Fairfax, VA 22033
Fairfax, VA 22033
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Fair Oaks Hospitalist Physicians, PLLC's NPI number?
The NPI number for Fair Oaks Hospitalist Physicians, PLLC is 1275601205. It was assigned to this organization in the NPPES registry on November 30, 2006.
Where is Fair Oaks Hospitalist Physicians, PLLC located?
Fair Oaks Hospitalist Physicians, PLLC is located at 3600 Joseph Siewick Dr, Fairfax, VA 22033. The listed phone number is (571) 294-2032.
What is Fair Oaks Hospitalist Physicians, PLLC's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Fair Oaks Hospitalist Physicians, PLLC enrolled in Medicare?
Yes. Fair Oaks Hospitalist Physicians, PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Fair Oaks Hospitalist Physicians, PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 112 clinicians in 8 Medicare specialties reassign their Medicare billing to Fair Oaks Hospitalist Physicians, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (58), Hospitalist (26) and Nurse Practitioner (17). Of these, 11 practice at this address and 44 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Fair Oaks Hospitalist Physicians, PLLC was last updated on May 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Fair Oaks Hospitalist Physicians, Pllc · NPI 1275601205
Hospitalist organization in Fairfax, Virginia. Organization record, active in the CMS NPPES registry since November 30, 2006.
## Identity
- **NPI:** 1275601205 (Entity type: Organization)
- **Enumerated:** November 30, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **Organization subpart:** No
- **Authorized official:** John Jones, PRESIDENT
## Practice location
- **Address:** 3600 JOSEPH SIEWICK DR, Fairfax, VA 22033-1709
- **Phone:** (571) 294-2032
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 112 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (58), Hospitalist (26), Nurse Practitioner (17); 11 practice at this address and 44 within 10 miles; [full list](https://npiprofile.com/npi/1275601205/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 4, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1275601205) · Data from the CMS NPPES public registry.