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MR. WILLIAM CHARLES BARKER MSW
NPI 1447355698
Social Worker - Clinical in Lowell, MA

Active since September 13, 2006PECOS Enrolled
130 MARSHALL RD, LOWELL, MA 01852(978) 671-9000(978) 671-9149 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. William Charles Barker Msw NPPES

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

MR. WILLIAM CHARLES BARKER MSW (NPI 1447355698) is an individual clinical provider in Lowell, Massachusetts, licensed in Massachusetts (1016981) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447355698
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. WILLIAM CHARLES BARKERCredential: MSW
Location Address130 MARSHALL RDLowell, MA 01852-5130
Mailing Address130 Marshall RdLowell, MA 01852-5130 · (978) 671-9000 · Fax (978) 671-9149
Phone(978) 671-9000
Fax(978) 671-9149
Sole ProprietorYes
Enumeration DateSeptember 13, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1447355698 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 MA · 1016981
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.
130 MARSHALL RD, Lowell, MA 01852
Open in Google Maps ↗

Other Identifiers 2

Medicare ID-Type UnspecifiedP05143MA
Medicare ID-Type UnspecifiedP10003MA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. William Charles Barker Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01852 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $63.72 – $189.86
Typical copayment $0.00 (range $15.93 – $47.46)
Most-billed visit code NA
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. HANNAH M. BASHIAN PH.D.
Psychologist (Clinical)
130 MARSHALL RD
LOWELL, MA 01852
Middlesex County (617) 821-2346
GREG A DEROMA RPH
Pharmacist
130 MARSHALL RD
LOWELL, MA 01852
Middlesex County (978) 671-9169
MS. TERESA MARIE KEITH LISW
Social Worker (Clinical)
130 MARSHALL RD
LOWELL, MA 01852
Middlesex County (978) 671-9154
MICHELLE RABKIN
Student in an Organized Health Care Education/Training Program
130 MARSHALL RD
LOWELL, MA 01852
Middlesex County (800) 865-3384
DR. LISA A ROGERS PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
130 MARSHALL RD
LOWELL, MA 01852
Middlesex County (978) 671-9000
MS. JOANNE MARY LYSON PT
Physical Therapist
130 MARSHALL RD
LOWELL, MA 01852
Middlesex County (978) 671-9174
MARYANN M MACDONOUGH RD, LDN, CDE
Dietitian, Registered
130 MARSHALL RD
LOWELL, MA 01852
Middlesex County (978) 671-9118
RACHEL L STARK MD
Internal Medicine
130 MARSHALL RD
LOWELL, MA 01852
Middlesex County (857) 364-6772

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 Barker's NPI number?

The NPI number for William Barker is 1447355698. It was assigned to this individual provider in the NPPES registry on September 13, 2006.

Where is William Barker located?

William Barker practices at 130 Marshall Rd, Lowell, MA 01852. The listed phone number is (978) 671-9000.

What is William Barker's specialty?

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

Is William Barker enrolled in Medicare?

Yes. William Barker is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for William Barker was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.