Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Alexander Alers
Counselor in Brewster, NY · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1891570990
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Alexander Alers
Sex Male
Practice address 400 Doansburg Rd, Brewster, NY, 10509
Phone (845) 279-2995
Enumeration date Aug 28, 2023
Last updated in NPPES Aug 28, 2023
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Alexander Alers?
The National Provider Identifier (NPI) for Alexander Alers is 1891570990, a Type 1 (individual) record in the CMS NPPES registry.
Where does Alexander Alers practice?
The practice location on file with NPPES is in Brewster, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Valerie Piersall Clinical Social Worker · Brewster, NY NPI 1588752117 Agnes Juhasz Child & Adolescent Psychiatry Physician · Brewster, NY NPI 1649300658 Jay Davidowitz Clinical Psychologist · Brewster, NY NPI 1720291446 Beth Camann Mental Health Counselor · Brewster, NY NPI 1790983310 Tara Mccarthy Psychiatric/Mental Health Nurse Practitioner · Brewster, NY NPI 1417148842 Green Chimneys Childrens Services Intellectual and/or Developmental Disabilities Residential Treatment Facility · Brewster, NY NPI 1790974327 Green Chimneys Chrildrens Services Emotionally Disturbed Childrens' Residential Treatment Facility · Brewster, NY NPI 1861673485 Craig Northrop Clinical Social Worker · Brewster, NY NPI 1538310420
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-28.