DR. OBIORA S NNAJI M.D.
NPI 1649654013
Psychiatry & Neurology - Psychiatry in Elmhurst, NY
About Dr. Obiora S Nnaji M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OBIORA S NNAJI M.D. (NPI 1649654013) is an individual psychiatry provider in Elmhurst, New York, licensed in New York (298410) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses
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. Obiora S Nnaji 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 Reassignment
Medicare enrollment records show Obiora Nnaji reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Elmhurst, NY 11373
- Reassigned Medicare billing, New York enrollment
- 1,615 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 11373 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Obiora Nnaji's NPI number?
The NPI number for Obiora Nnaji is 1649654013. It was assigned to this individual provider in the NPPES registry on July 16, 2015.
Where is Obiora Nnaji located?
Obiora Nnaji practices at 7901 Broadway Room C10-2 Elmhurst Hospital Services, Department Of Psychiatry, Elmhurst, NY 11373. The listed phone number is (718) 334-3542.
What is Obiora Nnaji's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Obiora Nnaji enrolled in Medicare?
Yes. Obiora Nnaji 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 Obiora Nnaji's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Obiora Nnaji reassigns Medicare benefits to New York City Health And Hospitals Corporation (Elmhurst, NY). 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 Obiora Nnaji'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 Obiora Nnaji was last updated on April 10, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Obiora S Nnaji, M.D. · NPI 1649654013
Psychiatry physician in Elmhurst, New York. Individual provider, active in the CMS NPPES registry since July 16, 2015.
## Identity
- **NPI:** 1649654013 (Entity type: Individual)
- **Enumerated:** July 16, 2015
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 298410 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 7901 BROADWAY ROOM C10-2, ELMHURST HOSPITAL SERVICES, DEPARTMENT OF PSYCHIATRY, Elmhurst, NY 11373
- **Phone:** (718) 334-3542
## 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:** New York City Health And Hospitals Corporation (NPI 1063426377, Elmhurst, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** April 10, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1649654013) · Data from the CMS NPPES public registry.