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KRISTEN CALLANAN
NPI 1245877273
Social Worker in Buffalo, NY

Active since December 10, 2019
300 NIAGARA ST, BUFFALO, NY 14201(716) 242-8600 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 31, 2026, Dec 10, 2019 (2 updates tracked since 2019).

About Kristen Callanan NPPES

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

KRISTEN CALLANAN (NPI 1245877273) is an individual social worker in Buffalo, New York, licensed in New York (112403) and active in the NPI registry since December 2019.

NPPES Registry Identity

NPI1245877273
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameKRISTEN CALLANAN
Location Address300 NIAGARA STBuffalo, NY 14201-2135
Mailing Address155 Lawn AveBuffalo, NY 14207-1816 · (716) 875-2904
Phone(716) 242-8600
Sole ProprietorNo
Enumeration DateDecember 10, 2019
Last NPPES UpdateMarch 31, 20262 updates tracked since enumeration
NPPES CertifiedMarch 31, 2026
✔ NPI 1245877273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in NY · 112403
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
300 NIAGARA ST, Buffalo, NY 14201
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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.

PATRICIA A PASTORE FNP
Family Medicine
300 NIAGARA ST, NIAGARA FAMILY HEALTH CENTER
BUFFALO, NY 14201
Erie County (716) 859-4110
MS. KIMBERLEY ALEXANDRIA WILSON NP
Nurse Practitioner (Adult Health)
300 NIAGARA ST
BUFFALO, NY 14201
Erie County (716) 859-5600
MATTHEW PELLERITE RD
Dietitian, Registered
300 NIAGARA ST
BUFFALO, NY 14201
Erie County (716) 242-8600
TANISHA GONZALEZ RDN
Dietitian, Registered
300 NIAGARA ST
BUFFALO, NY 14201
Erie County (716) 242-8600
TULASI MAYA SIWAKOTI LMSW
Social Worker
300 NIAGARA ST
BUFFALO, NY 14201
Erie County (716) 242-8600
YOLANDA K PEREIRA FNP
Nurse Practitioner (Family)
300 NIAGARA ST
BUFFALO, NY 14201
Erie County (716) 242-8600
DR. BRIAN VOORHEES PHARMD
Pharmacist
300 NIAGARA ST
BUFFALO, NY 14201
Erie County (716) 242-8608
DANIELLE BEHLOK PA
Physician Assistant
300 NIAGARA ST
BUFFALO, NY 14201
Erie County (716) 242-8600

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 Kristen Callanan's NPI number?

The NPI number for Kristen Callanan is 1245877273. It was assigned to this individual provider in the NPPES registry on December 10, 2019.

Where is Kristen Callanan located?

Kristen Callanan practices at 300 Niagara St, Buffalo, NY 14201. The listed phone number is (716) 242-8600.

What is Kristen Callanan's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Kristen Callanan was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.