DR. OLAYEMI ADENIRAN MD
NPI 1043894702
Internal Medicine in Brooklyn, NY
About Dr. Olayemi Adeniran Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OLAYEMI ADENIRAN MD (NPI 1043894702) is an individual internal medicine provider in Brooklyn, New York, licensed in New York (338667-01) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with St John's Episcopal Hospital At South Shore, and is a graduate of Other (2012).
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. Olayemi Adeniran 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 Olayemi Adeniran reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Port Jefferson, NY 11777
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Port Emergency Medical Services PC
- 90 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St John's Episcopal Hospital At South Shore
Acute Care Hospitals · Far Rockaway, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11212 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.
BROOKLYN, NY 11212
BROOKLYN, NY 11212
BROOKLYN, NY 11212
BROOKLYN, NY 11212
BROOKLYN, NY 11212
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 Olayemi Adeniran's NPI number?
The NPI number for Olayemi Adeniran is 1043894702. It was assigned to this individual provider in the NPPES registry on May 10, 2021.
Where is Olayemi Adeniran located?
Olayemi Adeniran practices at 1 Brookdale Plz, Brooklyn, NY 11212. The listed phone number is (718) 240-5000.
What is Olayemi Adeniran's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Olayemi Adeniran enrolled in Medicare?
Yes. Olayemi Adeniran 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 Olayemi Adeniran's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olayemi Adeniran reassigns Medicare benefits to Port Emergency Medical Services, P.C. (Port Jefferson, 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 Olayemi Adeniran's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Olayemi Adeniran affiliated with any hospitals?
According to CMS data, Olayemi Adeniran is affiliated with St John's Episcopal Hospital At South Shore.
When was this NPI record last updated?
The NPPES record for Olayemi Adeniran was last updated on November 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.