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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

CRYSTAL N THEISEN
NPI 1346159118
Social Worker in Morrisonville, NY

Active since September 05, 2026
2155 STATE ROUTE 22B, MORRISONVILLE, NY 12962(518) 563-8000 Get Directions Write a Review

NPPES record added: September 5, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

About Crystal N Theisen NPPES

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

CRYSTAL N THEISEN (NPI 1346159118) is an individual social worker in Morrisonville, New York and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1346159118
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameCRYSTAL N THEISEN
Location Address2155 STATE ROUTE 22BMorrisonville, NY 12962-3417
Mailing Address26 Fay LnPlattsburgh, NY 12901-7341
Phone(518) 563-8000
Sole ProprietorNo
Enumeration DateSeptember 5, 2026
NPPES CertifiedSeptember 5, 2026
✔ NPI 1346159118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
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.
2155 STATE ROUTE 22B, Morrisonville, NY 12962
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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.

SUNNIE LOBDELL
Counselor (Mental Health)
2155 STATE ROUTE 22B
MORRISONVILLE, NY 12962
Clinton County (518) 563-8000
CHRISTINA TRUDEAU
Licensed Practical Nurse
2155 STATE ROUTE 22B
MORRISONVILLE, NY 12962
Clinton County (518) 563-8000
JILLIAN PERRIER NP
Nurse Practitioner (Psychiatric/Mental Health)
2155 STATE ROUTE 22B
MORRISONVILLE, NY 12962
Clinton County (518) 563-8000
TRINA NICHOLS RN
Registered Nurse (Psychiatric/Mental Health, Adult)
2155 STATE ROUTE 22B
MORRISONVILLE, NY 12962
Clinton County (518) 563-8000
ALEJANDRO NEGRON LMSW
Social Worker
2155 STATE ROUTE 22B
MORRISONVILLE, NY 12962
Clinton County (518) 563-8000
ABBIGAEL SEARS CASAC-T
Counselor (Addiction (Substance Use Disorder))
2155 STATE ROUTE 22B
MORRISONVILLE, NY 12962
Clinton County (518) 563-8000
JENNIFER GUYNUP LMHC
Counselor (Mental Health)
2155 STATE ROUTE 22B
MORRISONVILLE, NY 12962
Clinton County (518) 563-8000
AMY J RAINWATER
Health and Wellness Coach
2155 STATE ROUTE 22B
MORRISONVILLE, NY 12962
Clinton County (518) 926-7100

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 Crystal Theisen's NPI number?

The NPI number for Crystal Theisen is 1346159118. It was assigned to this individual provider in the NPPES registry on September 5, 2026.

Where is Crystal Theisen located?

Crystal Theisen practices at 2155 State Route 22B, Morrisonville, NY 12962. The listed phone number is (518) 563-8000.

What is Crystal Theisen'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 Crystal Theisen was last updated on September 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days 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.