DR. JOSE LEONARDO ROSALES SIOCO III M.D.
NPI 1235441791
Family Medicine in Alexandria, VA
About Dr. Jose Leonardo Rosales Sioco Iii M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSE LEONARDO ROSALES SIOCO III M.D. (NPI 1235441791) is an individual family medicine provider in Alexandria, Virginia, licensed in Virginia (0101272474) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with Inova Alexandria Hospital, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jose Leonardo Rosales Sioco Iii M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jose Leonardo Sioco reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chantilly, VA 20151
- Reassigned Medicare billing, District of Columbia enrollment
- 379 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Inova Alexandria Hospital
Acute Care Hospitals · Alexandria, VAInova Fairfax Hospital
Acute Care Hospitals · Falls Church, VAInova Mount Vernon Hospital
Acute Care Hospitals · Alexandria, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22306 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Jose Leonardo Sioco's NPI number?
The NPI number for Jose Leonardo Sioco is 1235441791. It was assigned to this individual provider in the NPPES registry on July 12, 2010.
Where is Jose Leonardo Sioco located?
Jose Leonardo Sioco practices at 8109 Tis Well Drive Suite 511, Alexandria, VA 22306. The listed phone number is (703) 799-9500.
What is Jose Leonardo Sioco's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jose Leonardo Sioco enrolled in Medicare?
Yes. Jose Leonardo Sioco is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jose Leonardo Sioco's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jose Leonardo Sioco reassigns Medicare benefits to Inova Physician Partners, LLC (Chantilly, VA). The 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 Jose Leonardo Sioco's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jose Leonardo Sioco accept?
Health plans from Oscar Health list Jose Leonardo Sioco as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jose Leonardo Sioco affiliated with any hospitals?
According to CMS data, Jose Leonardo Sioco is affiliated with Inova Alexandria Hospital, Inova Fairfax Hospital and Inova Mount Vernon Hospital.
When was this NPI record last updated?
The NPPES record for Jose Leonardo Sioco was last updated on May 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.