MARGARETHA ESTHER KLASSEN
NPI 1821349663
Counselor - Addiction (Substance Use Disorder) in Fresno, CA

Active since September 19, 2012
4705 N SONORA AVE STE 113, FRESNO, CA 93722(559) 349-8951 Get Directions Write a Review

NPPES record last updated: September 19, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Margaretha Esther Klassen NPPES

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

MARGARETHA ESTHER KLASSEN (NPI 1821349663) is an individual addiction (substance use disorder) provider in Fresno, California and active in the NPI registry since September 2012.

NPPES Registry Identity

NPI1821349663
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMARGARETHA ESTHER KLASSEN
Location Address4705 N SONORA AVE STE 113Fresno, CA 93722-3965
Mailing Address421 E Wrenwood Ave Apt 101Fresno, CA 93710-6133 · (559) 349-8951
Sole ProprietorNo
Enumeration DateSeptember 19, 2012
NPI 1821349663 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
4705 N SONORA AVE STE 113, Fresno, CA 93722

Other Identifiers 1

OtherF1616037CA · Dmv

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.

Counselor (Addiction (Substance Use Disorder))
4705 N SONORA AVE STE 113
FRESNO, CA 93722
Counselor (Addiction (Substance Use Disorder))
4705 N SONORA AVE STE 113
FRESNO, CA 93722
Counselor (Addiction (Substance Use Disorder))
4705 N SONORA AVE STE 113
FRESNO, CA 93722
Counselor (Addiction (Substance Use Disorder))
4705 N SONORA AVE STE 113
FRESNO, CA 93722
Counselor (Addiction (Substance Use Disorder))
4705 N SONORA AVE STE 113
FRESNO, CA 93722
Counselor (Addiction (Substance Use Disorder))
4705 N SONORA AVE STE 113
FRESNO, CA 93722
Counselor (Addiction (Substance Use Disorder))
4705 N SONORA AVE STE 113
FRESNO, CA 93722
Counselor (Addiction (Substance Use Disorder))
4705 N SONORA AVE STE 113
FRESNO, CA 93722

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 Margaretha Klassen's NPI number?

The NPI number for Margaretha Klassen is 1821349663. It was assigned to this individual provider in the NPPES registry on September 19, 2012.

Where is Margaretha Klassen located?

Margaretha Klassen practices at 4705 N Sonora Ave Ste 113, Fresno, CA 93722. The listed phone number is (559) 349-8951.

What is Margaretha Klassen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Margaretha Klassen was last updated on September 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.