DR. OTTO LOUIS-JACQUES M.D.
NPI 1124094933
Pediatrics - Pediatric Gastroenterology in Fairfax, VA
About Dr. Otto Louis-jacques M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OTTO LOUIS-JACQUES M.D. (NPI 1124094933) is an individual pediatric gastroenterology provider in Fairfax, Virginia, licensed in Virginia (0101233886) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Otto Louis-jacques M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Otto Louis-jacques reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 128 clinicians in this Medicare group
Fairfax, VA 22031
- Reassigned Medicare billing, District of Columbia and Virginia enrollments
- 2,618 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 1,417 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22031 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FAIRFAX, VA 22031
FAIRFAX, VA 22031
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 Otto Louis-jacques's NPI number?
The NPI number for Otto Louis-jacques is 1124094933. It was assigned to this individual provider in the NPPES registry on February 23, 2006.
Where is Otto Louis-jacques located?
Otto Louis-jacques practices at 3022 Williams Dr Suite 301, Fairfax, VA 22031. The listed phone number is (703) 698-1775.
What is Otto Louis-jacques's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Otto Louis-jacques enrolled in Medicare?
Yes. Otto Louis-jacques is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Otto Louis-jacques's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Otto Louis-jacques reassigns Medicare benefits to 3 organizations: Pediatric Specialists Of Virginia, LLC (Fairfax, VA), Inova Health Care Services (Fairfax, VA) and Children's Hospital (Washington, DC). Each 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 Otto Louis-jacques's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Otto Louis-jacques accept?
Health plans from Oscar Health list Otto Louis-jacques 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.
When was this NPI record last updated?
The NPPES record for Otto Louis-jacques was last updated on March 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.