DR. ALEXANDER STEVEN BARSAM MD
NPI 1578914974
Ophthalmology in Saint Louis, MO
About Dr. Alexander Steven Barsam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER STEVEN BARSAM MD (NPI 1578914974) is an individual ophthalmology provider in Saint Louis, Missouri, licensed in Missouri (2020017623) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of University Of Miami, Lm Miller School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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. Alexander Steven Barsam 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 Alexander Barsam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mooresville, NC 28117
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 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.
Areas of Expertise CMS Part B claims 14
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCNorth Carolina Specialty Hospital
Acute Care Hospitals · Durham, NCDuke Regional Hospital
Acute Care Hospitals · Durham, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 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.
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
SAINT LOUIS, MO 63110
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 Alexander Barsam's NPI number?
The NPI number for Alexander Barsam is 1578914974. It was assigned to this individual provider in the NPPES registry on June 27, 2016.
Where is Alexander Barsam located?
Alexander Barsam practices at 517 S Euclid Ave Dept Opthalmology, 1st Fl, Saint Louis, MO 63110. The listed phone number is (314) 362-3431.
What is Alexander Barsam's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Alexander Barsam enrolled in Medicare?
Yes. Alexander Barsam 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 Alexander Barsam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Barsam reassigns Medicare benefits to Duke Health Integrated Practice, Inc. (Mooresville, NC). 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 Alexander Barsam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Barsam accept?
Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Cigna Healthcare list Alexander Barsam 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 Alexander Barsam affiliated with any hospitals?
According to CMS data, Alexander Barsam is affiliated with Duke University Hospital, North Carolina Specialty Hospital and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Barsam was last updated on November 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.