Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

MRS. CASSANDRA CHANDLER OLSEN
NPI 1821915422
Student in an Organized Health Care Education/Training Program in Cooperstown, NY

Active since July 02, 2026
1 ATWELL RD, COOPERSTOWN, NY 13326(607) 547-3456 Get Directions Write a Review

NPPES record added: July 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Cassandra Chandler Olsen NPPES

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

MRS. CASSANDRA CHANDLER OLSEN (NPI 1821915422) is an individual student in an organized health care education/training program in Cooperstown, New York and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1821915422
Entity TypeIndividualFemale
Primary Taxonomy390200000X
Provider Legal NameMRS. CASSANDRA CHANDLER OLSEN
Location Address1 ATWELL RDCooperstown, NY 13326-1301
Mailing AddressPo Box 102Fly Creek, NY 13337-0102 · (475) 370-0045
Sole ProprietorNo
Enumeration DateJuly 2, 2026
NPPES CertifiedJuly 3, 2026
NPI 1821915422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

1 ATWELL RD, Cooperstown, NY 13326

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.

Nurse Practitioner (Pediatrics)
1 ATWELL RD
COOPERSTOWN, NY 13326
Physician Assistant
1 ATWELL RD
COOPERSTOWN, NY 13326
Physician Assistant
1 ATWELL RD
COOPERSTOWN, NY 13326
Social Worker (Clinical)
1 ATWELL RD
COOPERSTOWN, NY 13326
Physician Assistant (Surgical)
1 ATWELL RD
COOPERSTOWN, NY 13326
Physician Assistant
1 ATWELL RD
COOPERSTOWN, NY 13326
Pediatrics
1 ATWELL RD
COOPERSTOWN, NY 13326
Midwife
1 ATWELL RD
COOPERSTOWN, NY 13326

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 Cassandra Olsen's NPI number?

The NPI number for Cassandra Olsen is 1821915422. It was assigned to this individual provider in the NPPES registry on July 2, 2026.

Where is Cassandra Olsen located?

Cassandra Olsen practices at 1 Atwell Rd, Cooperstown, NY 13326. The listed phone number is (607) 547-3456.

What is Cassandra Olsen's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Cassandra Olsen was last updated on July 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.