JOY I ONAGHISE MD
NPI 1679958565
Internal Medicine in Upper Marlboro, MD
About Joy I Onaghise Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOY I ONAGHISE MD (NPI 1679958565) is an individual internal medicine provider in Upper Marlboro, Maryland, licensed in Maryland (D0085309) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses 2
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
Joy I Onaghise 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 Joy Onaghise reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Suitland, MD 20746
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1285752121 (Maryland)
- 2,492 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 20774 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.
LARGO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
LARGO, MD 20774
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 Joy Onaghise's NPI number?
The NPI number for Joy Onaghise is 1679958565. It was assigned to this individual provider in the NPPES registry on July 21, 2015.
Where is Joy Onaghise located?
Joy Onaghise practices at 1221 Mercantile Ln, Upper Marlboro, MD 20774. The listed phone number is (301) 618-5500.
What is Joy Onaghise's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Joy Onaghise enrolled in Medicare?
Yes. Joy Onaghise 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 Joy Onaghise's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joy Onaghise reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Suitland, 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 Joy Onaghise'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 Joy Onaghise was last updated on June 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Joy I Onaghise, MD · NPI 1679958565
Internal Medicine physician in Upper Marlboro, Maryland. Individual provider, active in the CMS NPPES registry since July 21, 2015.
## Identity
- **NPI:** 1679958565 (Entity type: Individual)
- **Enumerated:** July 21, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D0085309 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 MERCANTILE LN, Upper Marlboro, MD 20774
- **Phone:** (301) 618-5500
## 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:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1730200965, Suitland, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** June 21, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1679958565) · Data from the CMS NPPES public registry.