IRVIN NASSERI MD
NPI 1215556956
Psychiatry & Neurology - Neurology in Cleveland, OH
About Irvin Nasseri Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IRVIN NASSERI MD (NPI 1215556956) is an individual neurology provider in Cleveland, Ohio, licensed in New York (328942) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Montefiore Medical Center, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Irvin Nasseri Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Irvin Nasseri reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cleveland, OH 44195
- Reassigned Medicare billing, Ohio enrollment
- 7,608 clinicians in this Medicare group
New York, NY 10025
- Reassigned Medicare billing, New York enrollment
- 5,251 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Montefiore Medical Center
Acute Care Hospitals · Bronx, NYJacobi Medical Center
Acute Care Hospitals · Bronx, NYFairview Hospital
Acute Care Hospitals · Cleveland, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44195 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.
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
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 Irvin Nasseri's NPI number?
The NPI number for Irvin Nasseri is 1215556956. It was assigned to this individual provider in the NPPES registry on April 13, 2020.
Where is Irvin Nasseri located?
Irvin Nasseri practices at 9500 Euclid Ave, Cleveland, OH 44195. The listed phone number is (216) 312-0357.
What is Irvin Nasseri's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Irvin Nasseri enrolled in Medicare?
Yes. Irvin Nasseri is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Irvin Nasseri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irvin Nasseri reassigns Medicare benefits to 2 organizations: The Cleveland Clinic Foundation (Cleveland, OH) and Montefiore Medical Center (New York, NY). 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 Irvin Nasseri's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Irvin Nasseri accept?
Health plans from Anthem Blue Cross and Blue Shield, CareSource and Oscar Insurance Corporation of Ohio list Irvin Nasseri 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 Irvin Nasseri affiliated with any hospitals?
According to CMS data, Irvin Nasseri is affiliated with Montefiore Medical Center, Jacobi Medical Center and Fairview Hospital.
When was this NPI record last updated?
The NPPES record for Irvin Nasseri was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Irvin Nasseri, MD · NPI 1215556956
Neurology physician in Cleveland, Ohio. Individual provider, active in the CMS NPPES registry since April 13, 2020.
## Identity
- **NPI:** 1215556956 (Entity type: Individual)
- **Enumerated:** April 13, 2020
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 328942 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9500 EUCLID AVE, Cleveland, OH 44195-0001
- **Phone:** (216) 312-0357
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Cleveland Clinic Foundation (NPI 1679525919, Cleveland, OH); Montefiore Medical Center (NPI 1760288278, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** June 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1215556956) · Data from the CMS NPPES public registry.