ALEXANDER RABINOVICH MD
NPI 1245411743
Ophthalmology in West Islip, NY
About Alexander Rabinovich Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER RABINOVICH MD (NPI 1245411743) is an individual ophthalmology provider in West Islip, New York, licensed in New York (252107) and active in the NPI registry since November 2007. He is enrolled in Medicare PECOS, is affiliated with Lincoln Medical & Mental Health Center, and is a graduate of Other (2004).
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 and accepts Medicare assignment
Alexander Rabinovich 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 Reassignments
6Medicare enrollment records show Alexander Rabinovich reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Islip, NY 11795
- Reassigned Medicare billing, New York enrollment
- 11 clinicians in this Medicare group
Jamaica, NY 11418
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Tjh Medical Services PC
- 497 clinicians in this Medicare group
Bronx, NY 10451
- Reassigned Medicare billing, New York enrollment
- 971 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 155 clinicians in this Medicare group
Brooklyn, NY 11229
- Reassigned Medicare billing, New York enrollment
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 12
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lincoln Medical & Mental Health Center
Acute Care Hospitals · Bronx, NYNy Eye And Ear Infirmary Of Mount Sinai
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11795 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WEST ISLIP, NY 11795
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 Rabinovich's NPI number?
The NPI number for Alexander Rabinovich is 1245411743. It was assigned to this individual provider in the NPPES registry on November 26, 2007.
Where is Alexander Rabinovich located?
Alexander Rabinovich practices at 360 Montauk Hwy, West Islip, NY 11795. The listed phone number is (631) 422-1110.
What is Alexander Rabinovich's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Alexander Rabinovich enrolled in Medicare?
Yes. Alexander Rabinovich 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 organizations bill Medicare for Alexander Rabinovich's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Rabinovich reassigns Medicare benefits to 6 organizations: Medical Surgical Eye Care Services PC (West Islip, NY), Tjh Medical Services, P.C. (Jamaica, NY), Downtown Bronx Medical Associates PC (Bronx, NY), Physician Affiliate Group Of New York PC (New York, NY), Icahn School Of Medicine At Mount Sinai (New York, NY) and 1 more organization, listed in the Medicare section above. 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 Alexander Rabinovich's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Rabinovich accept?
Health plans from Anthem Blue Cross and Blue Shield list Alexander Rabinovich 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 Rabinovich affiliated with any hospitals?
According to CMS data, Alexander Rabinovich is affiliated with Lincoln Medical & Mental Health Center and Ny Eye And Ear Infirmary Of Mount Sinai.
When was this NPI record last updated?
The NPPES record for Alexander Rabinovich was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Alexander Rabinovich, MD · NPI 1245411743
Ophthalmology physician in West Islip, New York. Individual provider, active in the CMS NPPES registry since November 26, 2007.
## Identity
- **NPI:** 1245411743 (Entity type: Individual)
- **Enumerated:** November 26, 2007
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 252107 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 360 MONTAUK HWY, West Islip, NY 11795-4403
- **Phone:** (631) 422-1110 · **Fax:** (631) 422-1916
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Medical Surgical Eye Care Services PC (NPI 1306863097, West Islip, NY); Tjh Medical Services, P.C. (NPI 1184670465, Jamaica, NY); Downtown Bronx Medical Associates PC (NPI 1689618407, Bronx, NY); Physician Affiliate Group Of New York PC (NPI 1013375526, New York, NY); Icahn School Of Medicine At Mount Sinai (NPI 1437421252, New York, NY); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** September 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1245411743) · Data from the CMS NPPES public registry.