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MRS. MARY LOUISE WILLIAMS APRN BC MSN
NPI 1689852626
Registered Nurse - Psychiatric/Mental Health, Adult in Pottstown, PA

Active since February 01, 2008
361 HIGH ST, POTTSTOWN, PA 19464(610) 326-9250(610) 327-8726 Get Directions Write a Review

NPPES record last updated: February 1, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Mary Louise Williams Aprn Bc Msn NPPES

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

MRS. MARY LOUISE WILLIAMS APRN BC MSN (NPI 1689852626) is an individual psychiatric/mental health, adult provider in Pottstown, Pennsylvania, licensed in Pennsylvania (RN532577) and active in the NPI registry since February 2008.

NPPES Registry Identity

NPI1689852626
Entity TypeIndividualFemale
Primary Taxonomy163WP0809X
Provider Legal NameMRS. MARY LOUISE WILLIAMSCredential: APRN BC MSN
Location Address361 HIGH STPottstown, PA 19464
Mailing Address212 High St, Suite 103Pottstown, PA 19464 · (484) 941-0500 · Fax (484) 941-0515
Phone(610) 326-9250
Fax(610) 327-8726
Sole ProprietorNo
Enumeration DateFebruary 1, 2008
✔ NPI 1689852626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Psychiatric/Mental Health, AdultNursing Service Providers
Taxonomy Code163WP0809X
License✔ Licensed in PA · RN532577
361 HIGH ST, Pottstown, PA 19464
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Other Names 1

Former Name (1)Mrs. Mary L Causey Rn

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. TRUDY ANN WELLER LPC
Counselor (Professional)
361 HIGH ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-9250
MR. WILLIAM CHARLES BROWN MHS
Counselor (Mental Health)
361 HIGH ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-9250
LYNNE A MULLIS LCSW
Social Worker (Clinical)
361 HIGH ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-9250
MS. ALCMENA MONIQUE WHITE MS
Counselor (Mental Health)
361 HIGH ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-9250
MR. JOHN CRAIG HARRISON MA LICENSED PA PSYCH
Psychologist (Clinical)
361 HIGH ST, SUITE 103
POTTSTOWN, PA 19464
Montgomery County (610) 326-9250
MS. BONNIE LOU HARP
Counselor (Mental Health)
361 HIGH ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-9250
MRS. NICOLE MARIE LOMBARDO MA
Counselor (Mental Health)
361 HIGH ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-9250
MR. MICHAEL J DALEY MSW
Social Worker
361 HIGH ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-9250

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 Mary Williams's NPI number?

The NPI number for Mary Williams is 1689852626. It was assigned to this individual provider in the NPPES registry on February 1, 2008. The provider is also known as Mrs. Mary L Causey Rn.

Where is Mary Williams located?

Mary Williams practices at 361 High St, Pottstown, PA 19464. The listed phone number is (610) 326-9250.

What is Mary Williams's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 163WP0809X.

When was this NPI record last updated?

The NPPES record for Mary Williams was last updated on February 1, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.