MS. TAMMI LYNN HESSEN MSW
NPI 1598990905
Behavior Analyst in Lancaster, PA

Q: What is Tammi Hessen's NPI number?

The NPI number for Tammi Hessen is 1598990905. It was assigned to this individual provider in the NPPES registry on May 29, 2009.

Q: What is Tammi Hessen's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

Q: When was this NPI record last updated?

The NPPES record for Tammi Hessen was last updated on May 29, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.

Active since May 29, 2009

302 WEST ORANGE STREET, LANCASTER, PA 17603(717) 392-8848(717) 397-5290 Get Directions Write a Review

NPPES record last updated: May 29, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Ms. Tammi Lynn Hessen Msw NPPES

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

MS. TAMMI LYNN HESSEN MSW (NPI 1598990905) is an individual behavior analyst provider in Lancaster, Pennsylvania and active in the NPI registry since May 2009.

NPPES Registry Identity

NPI1598990905

Entity TypeIndividualFemale

Primary Taxonomy103K00000X

Provider Legal NameMS. TAMMI LYNN HESSENCredential: MSW

Location Address302 WEST ORANGE STREETLancaster, PA 17603-3749

Mailing Address200 N 7th StreetLebanon, PA 17046-5040 · (717) 273-1710 · Fax (717) 273-1416

Phone(717) 392-8848

Fax(717) 397-5290

Sole ProprietorNo

Enumeration DateMay 29, 2009

✔ NPI 1598990905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers

Taxonomy Code103K00000X

Definition

A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.

302 WEST ORANGE STREET, Lancaster, PA 17603

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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.

MRS. HEATHER M. GRAY BA

Behavior Analyst