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WILLIAM RILEY ERNST
NPI 1407746761
Counselor - Mental Health in Pottstown, PA

Active since July 08, 2025
11 ROBINSON ST, POTTSTOWN, PA 19464(484) 941-0500 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William Riley Ernst NPPES

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

WILLIAM RILEY ERNST (NPI 1407746761) is an individual mental health provider in Pottstown, Pennsylvania and active in the NPI registry since July 2025.

NPPES Registry Identity

NPI1407746761
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameWILLIAM RILEY ERNST
Location Address11 ROBINSON STPottstown, PA 19464-6421
Mailing Address11 Robinson StPottstown, PA 19464-6421 · (484) 941-0500
Phone(484) 941-0500
Sole ProprietorNo
Enumeration DateJuly 8, 2025
NPPES CertifiedJuly 8, 2025
✔ NPI 1407746761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
11 ROBINSON ST, Pottstown, PA 19464
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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.

PRISCILLA BARNES-DAVIS
Counselor
11 ROBINSON ST
POTTSTOWN, PA 19464
Montgomery County (484) 941-0500
ERIN TYNDALL
Counselor
11 ROBINSON ST
POTTSTOWN, PA 19464
Montgomery County (484) 941-0500
ROSANNE R SMITH
Counselor
11 ROBINSON ST
POTTSTOWN, PA 19464
Montgomery County (484) 941-0500
JOANNE BEAUREGARD
Counselor
11 ROBINSON ST
POTTSTOWN, PA 19464
Montgomery County (484) 941-0500
AUTUMN HARRIS
Counselor
11 ROBINSON ST
POTTSTOWN, PA 19464
Montgomery County (484) 941-0500
OLIVIA TOMKO
Counselor (Mental Health)
11 ROBINSON ST
POTTSTOWN, PA 19464
Montgomery County (484) 941-0500
TONIA ANN GREEN
Counselor (Mental Health)
11 ROBINSON ST
POTTSTOWN, PA 19464
Montgomery County (484) 941-0500
JAMES LOGAN POTTS
Counselor (Addiction (Substance Use Disorder))
11 ROBINSON ST
POTTSTOWN, PA 19464
Montgomery County (484) 941-0500

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 William Ernst's NPI number?

The NPI number for William Ernst is 1407746761. It was assigned to this individual provider in the NPPES registry on July 8, 2025.

Where is William Ernst located?

William Ernst practices at 11 Robinson St, Pottstown, PA 19464. The listed phone number is (484) 941-0500.

What is William Ernst'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 William Ernst was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.