NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Abraham Kalikstein MD PC

Neurology Physician in Brooklyn, NY · enumerated 2025 · authorized official Abraham Kalikstein, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1043173156

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Abraham Kalikstein MD PC
Practice address 1599 E 15th St, Brooklyn, NY, 11230
Enumeration date Dec 5, 2025
Last updated in NPPES Jul 10, 2026

Taxonomy & classification

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Abraham Kalikstein
Title President

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Abraham Kalikstein MD PC?
The NPI for Abraham Kalikstein MD PC is 1043173156, a Type 2 (organization) record in the CMS NPPES registry.
Who is the authorized official for Abraham Kalikstein MD PC?
NPPES lists Abraham Kalikstein (President) as the authorized official for this organization.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-10.