OLUWATOBI GANIU LASISI MD
NPI 1790429686
Family Medicine in Fairfax, VA
About Oluwatobi Ganiu Lasisi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLUWATOBI GANIU LASISI MD (NPI 1790429686) is an individual family medicine provider in Fairfax, Virginia, licensed in Virginia (0101284975) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Oluwatobi Ganiu Lasisi Md 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 Reassignments
2Medicare enrollment records show Oluwatobi Lasisi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chantilly, VA 20151
- Reassigned Medicare billing, District of Columbia enrollment
- 379 clinicians in this Medicare group
Silver Spring, MD 20910
- Reassigned Medicare billing, District of Columbia enrollment
- 184 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 22033 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 22033
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 Oluwatobi Lasisi's NPI number?
The NPI number for Oluwatobi Lasisi is 1790429686. It was assigned to this individual provider in the NPPES registry on April 26, 2022.
Where is Oluwatobi Lasisi located?
Oluwatobi Lasisi practices at 3650 Joseph Siewick Dr Ste 400, Fairfax, VA 22033. The listed phone number is (703) 391-2020.
What is Oluwatobi Lasisi's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Oluwatobi Lasisi enrolled in Medicare?
Yes. Oluwatobi Lasisi 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 organizations bill Medicare for Oluwatobi Lasisi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oluwatobi Lasisi reassigns Medicare benefits to 2 organizations: Inova Physician Partners, LLC (Chantilly, VA) and Patient First Maryland Medical Group PLLC (Silver Spring, MD). 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 Oluwatobi Lasisi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oluwatobi Lasisi accept?
Health plans from Oscar Health list Oluwatobi Lasisi 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 Oluwatobi Lasisi was last updated on July 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Oluwatobi Ganiu Lasisi, MD · NPI 1790429686
Family Medicine physician in Fairfax, Virginia. Individual provider, active in the CMS NPPES registry since April 26, 2022.
## Identity
- **NPI:** 1790429686 (Entity type: Individual)
- **Enumerated:** April 26, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 0101284975 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 3650 JOSEPH SIEWICK DR STE 400, Fairfax, VA 22033-1715
- **Phone:** (703) 391-2020
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Inova Physician Partners, LLC (NPI 1215264916, Chantilly, VA); Patient First Maryland Medical Group PLLC (NPI 1265866503, Silver Spring, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** July 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1790429686) · Data from the CMS NPPES public registry.