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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DEREK PETERSEN
NPI 1730890401
Counselor - Mental Health in Exton, PA

Active since December 13, 2022
825 SPRINGDALE DR, EXTON, PA 19341(888) 227-3898 Get Directions Write a Review

NPPES record last updated: July 3, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 12, 2023, Dec 13, 2022 (2 updates tracked since 2022).

About Derek Petersen NPPES

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

DEREK PETERSEN (NPI 1730890401) is an individual mental health provider in Exton, Pennsylvania and active in the NPI registry since December 2022.

NPPES Registry Identity

NPI1730890401
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameDEREK PETERSEN
Location Address825 SPRINGDALE DRExton, PA 19341-2843
Mailing Address825 Springdale DrExton, PA 19341-2843 · (888) 227-3898
Phone(888) 227-3898
Sole ProprietorYes
Enumeration DateDecember 13, 2022
Last NPPES UpdateJuly 3, 20262 updates tracked since enumeration
NPPES CertifiedJuly 3, 2026
✔ NPI 1730890401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
825 SPRINGDALE DR, Exton, PA 19341
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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.

BAILEY BAIN MSW, LCSW
Counselor (Mental Health)
825 SPRINGDALE DR
EXTON, PA 19341
Chester County (484) 565-1130
CHRISTINA FLANAGAN DO
Psychiatry & Neurology (Psychiatry)
825 SPRINGDALE DR
EXTON, PA 19341
Chester County (888) 227-3898
AMBER PLEASANTS
Counselor (Mental Health)
825 SPRINGDALE DR
EXTON, PA 19341
Chester County (888) 227-3898
SARAH ANNE ALEXANDER
Social Worker (Clinical)
825 SPRINGDALE DR
EXTON, PA 19341
Chester County (484) 565-1133
JAMIE BURKE LCSW
Social Worker (Clinical)
825 SPRINGDALE DR
EXTON, PA 19341
Chester County (484) 565-8246
JEANETTE DESILVA LPC
Counselor (Professional)
825 SPRINGDALE DR
EXTON, PA 19341
Chester County (484) 565-8200
FERUZA YUVAKAEVA MA,LPC
Counselor (Addiction (Substance Use Disorder))
825 SPRINGDALE DR
EXTON, PA 19341
Chester County (866) 678-7616
ERIKA BELSKIE
Counselor (Professional)
825 SPRINGDALE DR
EXTON, PA 19341
Chester County (484) 227-1556

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 Derek Petersen's NPI number?

The NPI number for Derek Petersen is 1730890401. It was assigned to this individual provider in the NPPES registry on December 13, 2022.

Where is Derek Petersen located?

Derek Petersen practices at 825 Springdale Dr, Exton, PA 19341. The listed phone number is (888) 227-3898.

What is Derek Petersen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Derek Petersen was last updated on July 3, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.