DR. SYLVESTER OBANYA OKONKWO MD
NPI 1801897582
Internal Medicine in Oxon Hill, MD
About Dr. Sylvester Obanya Okonkwo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SYLVESTER OBANYA OKONKWO MD (NPI 1801897582) is an individual internal medicine provider in Oxon Hill, Maryland, licensed in Maryland (D0055314) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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. Sylvester Obanya Okonkwo 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 Reassignment
Medicare enrollment records show Sylvester Okonkwo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oxon Hill, MD 20745
- Reassigned Medicare billing, District of Columbia enrollment
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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20745 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 5
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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OXON HILL, MD 20745
OXON HILL, MD 20745
OXON HILL, MD 20745
OXON HILL, MD 20745
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 Sylvester Okonkwo's NPI number?
The NPI number for Sylvester Okonkwo is 1801897582. It was assigned to this individual provider in the NPPES registry on August 3, 2005.
Where is Sylvester Okonkwo located?
Sylvester Okonkwo practices at 6192 Oxon Hill Rd Ste 507, Oxon Hill, MD 20745. The listed phone number is (301) 839-0800.
What is Sylvester Okonkwo's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sylvester Okonkwo enrolled in Medicare?
Yes. Sylvester Okonkwo 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 Sylvester Okonkwo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sylvester Okonkwo reassigns Medicare benefits to Bendel Medical Associates LLC (Oxon Hill, MD). 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 Sylvester Okonkwo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sylvester Okonkwo was last updated on December 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.