ALEJANDRO BERENSTEIN MD
NPI 1790766848
Neurological Surgery in New York, NY

Active since November 07, 2005PECOS Enrolled
1450 MADISON AVENUE #1136, NEW YORK, NY 10029(212) 241-1296(646) 537-2299 Get Directions Write a Review

NPPES record last updated: October 17, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Alejandro Berenstein Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEJANDRO BERENSTEIN MD (NPI 1790766848) is an individual neurological surgery provider in New York, New York, licensed in New York (130263-1) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790766848
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameALEJANDRO BERENSTEINCredential: MD
Location Address1450 MADISON AVENUE #1136New York, NY 10029
Mailing Address1450 Madison Avenue Box 1136New York, NY 10029 · (212) 241-1296 · Fax (646) 537-2299
Fax(646) 537-2299
Sole ProprietorNo
Enumeration DateNovember 7, 2005
Last NPPES UpdateOctober 17, 2023
NPPES CertifiedMarch 17, 2021
✔ NPI 1790766848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in NY · 130263-1
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

Other Identifiers 1

Medicaid00598852NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alejandro Berenstein Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alejandro Berenstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Neurological Surgery
5 E 98TH ST FL 7
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 79 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 10029 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Alejandro Berenstein's NPI number?

The NPI number for Alejandro Berenstein is 1790766848. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Where is Alejandro Berenstein located?

Alejandro Berenstein practices at 1450 Madison Avenue #1136, New York, NY 10029. The listed phone number is (212) 241-1296.

What is Alejandro Berenstein's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Alejandro Berenstein enrolled in Medicare?

Yes. Alejandro Berenstein is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alejandro Berenstein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alejandro Berenstein reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, 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 Alejandro Berenstein'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 Alejandro Berenstein was last updated on October 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.