TOKUNBO AJAYI M.D.
NPI 1255625307
Internal Medicine - Gastroenterology in Manassas, VA
About Tokunbo Ajayi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOKUNBO AJAYI M.D. (NPI 1255625307) is an individual gastroenterology provider in Manassas, Virginia, licensed in Virginia (0101282073) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Howard County Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 1
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
Tokunbo Ajayi 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 Reassignments
4Medicare enrollment records show Tokunbo Ajayi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Manassas, VA 20110
- Reassigned Medicare billing, Virginia enrollment
- 584 clinicians in this Medicare group
Gainesville, VA 20155
- Reassigned Medicare billing, Virginia enrollment
- 47 clinicians in this Medicare group
Fulton, MD 20759
- Reassigned Medicare billing, Maryland enrollment
- 952 clinicians in this Medicare group
Baltimore, MD 21287
- Reassigned Medicare billing, Maryland enrollment
- 338 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 3
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Johns Hopkins Howard County Medical Center
Acute Care Hospitals · Columbia, MDNovant Health Uva Health System Culpeper Med Cente
Acute Care Hospitals · Culpeper, VAFauquier Hospital
Acute Care Hospitals · Warrenton, VANovant Prince William Medical Center
Acute Care Hospitals · Manassas, VAUva Health Haymarket Medical Center
Acute Care Hospitals · Haymarket, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20110 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.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANASSAS, VA 20110
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 Tokunbo Ajayi's NPI number?
The NPI number for Tokunbo Ajayi is 1255625307. It was assigned to this individual provider in the NPPES registry on June 7, 2011.
Where is Tokunbo Ajayi located?
Tokunbo Ajayi practices at 8640 Sudley Rd Ste 201, Manassas, VA 20110. The listed phone number is (703) 368-6819.
What is Tokunbo Ajayi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Tokunbo Ajayi enrolled in Medicare?
Yes. Tokunbo Ajayi 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 Tokunbo Ajayi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tokunbo Ajayi reassigns Medicare benefits to 4 organizations: Uva Community Health Medical Group, LLC (Manassas, VA), Gastroenterology Associates VA, LLC (Gainesville, VA), Johns Hopkins Community Physicians (Fulton, MD) and Johns Hopkins University (Baltimore, 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 Tokunbo Ajayi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tokunbo Ajayi accept?
Health plans from Oscar Health list Tokunbo Ajayi 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 Tokunbo Ajayi affiliated with any hospitals?
According to CMS data, Tokunbo Ajayi is affiliated with Johns Hopkins Howard County Medical Center, Novant Health Uva Health System Culpeper Med Cente, Fauquier Hospital, Novant Prince William Medical Center and Uva Health Haymarket Medical Center.
When was this NPI record last updated?
The NPPES record for Tokunbo Ajayi was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 days 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.
# Tokunbo Ajayi, M.D. · NPI 1255625307
Gastroenterology physician in Manassas, Virginia. Individual provider, active in the CMS NPPES registry since June 7, 2011.
## Identity
- **NPI:** 1255625307 (Entity type: Individual)
- **Enumerated:** June 7, 2011
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 0101282073 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 8640 SUDLEY RD STE 201, Manassas, VA 20110-4404
- **Phone:** (703) 368-6819 · **Fax:** (703) 368-0203
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Uva Community Health Medical Group, LLC (NPI 1265827513, Manassas, VA); Gastroenterology Associates VA, LLC (NPI 1518990472, Gainesville, VA); Johns Hopkins Community Physicians (NPI 1689485963, Fulton, MD); Johns Hopkins University (NPI 1902332133, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** September 28, 2026
- **Other identifiers:** Medicaid 1255625307 (VA)
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Source: [NPI Profile](https://npiprofile.com/npi/1255625307) · Data from the CMS NPPES public registry.