MR. JOHN MCWILLIAMS LCSW
NPI 1306111752
Social Worker - Clinical in Philadelphia, PA

Active since March 19, 2012Opted out of Medicare · through Jul 1, 2027
255 S 17TH ST, SUITE 1405, PHILADELPHIA, PA 19103(267) 902-7326 Get Directions Write a Review

NPPES record last updated: March 19, 2012. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. John Mcwilliams Lcsw NPPES

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

MR. JOHN MCWILLIAMS LCSW (NPI 1306111752) is an individual clinical provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (CW017099) and active in the NPI registry since March 2012. He has opted out of Medicare through July 1, 2027.

NPPES Registry Identity

NPI1306111752
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. JOHN MCWILLIAMSCredential: LCSW
Location Address255 S 17TH ST, SUITE 1405Philadelphia, PA 19103-6231
Mailing Address2101 Christian StPhiladelphia, PA 19146-1209 · (267) 902-7326
Sole ProprietorYes
Enumeration DateMarch 19, 2012
NPI 1306111752 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in PA · CW017099
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
255 S 17TH ST, Philadelphia, PA 19103

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Mr. John Mcwilliams Lcsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from July 1, 2025 through July 1, 2027.

Opt-Out Effective DateJuly 1, 2025
Opt-Out In Effect ThroughJuly 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

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.

Acupuncturist
255 S 17TH ST, SUITE 1502
PHILADELPHIA, PA 19103
Marriage & Family Therapist
255 S 17TH ST
PHILADELPHIA, PA 19103
Psychologist (Clinical)
255 S 17TH ST, SUITE 2301
PHILADELPHIA, PA 19103
Psychiatry & Neurology (Psychiatry)
255 S 17TH ST, SUITE 2810
PHILADELPHIA, PA 19103
Internal Medicine (Sports Medicine)
255 S 17TH ST, SUITE 2001
PHILADELPHIA, PA 19103
Specialist
255 S 17TH ST, SUITE 2200
PHILADELPHIA, PA 19103
Psychologist
255 S 17TH ST, SUITE 606
PHILADELPHIA, PA 19103
Psychologist
255 S 17TH ST
PHILADELPHIA, PA 19103

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 John Mcwilliams's NPI number?

The NPI number for John Mcwilliams is 1306111752. It was assigned to this individual provider in the NPPES registry on March 19, 2012.

Where is John Mcwilliams located?

John Mcwilliams practices at 255 S 17th St Suite 1405, Philadelphia, PA 19103. The listed phone number is (267) 902-7326.

What is John Mcwilliams's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is John Mcwilliams enrolled in Medicare?

No. John Mcwilliams has opted out of Medicare through July 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for John Mcwilliams was last updated on March 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.