MR. BRIAN WILLIAM DIEHL LICSW
NPI 1245679372
Social Worker - Clinical in Boston, MA

Active since June 21, 2013PECOS Enrolled
1601 WASHINGTON ST, BOSTON, MA 02118(617) 425-2000(617) 425-2061 Get Directions Write a Review

NPPES record last updated: May 5, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 5, 2022, Feb 22, 2020 (2 updates tracked since 2020).

About Mr. Brian William Diehl Licsw NPPES

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

MR. BRIAN WILLIAM DIEHL LICSW (NPI 1245679372) is an individual clinical provider in Boston, Massachusetts, licensed in (121205) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245679372
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. BRIAN WILLIAM DIEHLCredential: LICSW
Location Address1601 WASHINGTON STBoston, MA 02118-1951
Mailing Address1601 Washington StBoston, MA 02118-1951 · (617) 425-2000 · Fax (617) 425-2061
Fax(617) 425-2061
Sole ProprietorYes
Enumeration DateJune 21, 2013
Last NPPES UpdateMay 5, 20222 updates tracked since enumeration
NPPES CertifiedMay 5, 2022
NPI 1245679372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed · 121205
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.
Also ListedCounselorTaxonomy 101Y00000X
1601 WASHINGTON ST, Boston, MA 02118

Accepted Insurance

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. Brian William Diehl Licsw 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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
42 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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.

Registered Nurse
1601 WASHINGTON ST
BOSTON, MA 02118
Social Worker
1601 WASHINGTON ST
BOSTON, MA 02118
Nurse Practitioner (Psychiatric/Mental Health)
1601 WASHINGTON ST
BOSTON, MA 02118
Nutritionist
1601 WASHINGTON ST
BOSTON, MA 02118
Registered Nurse
1601 WASHINGTON ST
BOSTON, MA 02118
Nurse Practitioner (Family)
1601 WASHINGTON ST
BOSTON, MA 02118
Social Worker
1601 WASHINGTON ST
BOSTON, MA 02118
Registered Nurse (Community Health)
1601 WASHINGTON ST
BOSTON, MA 02118

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 Brian Diehl's NPI number?

The NPI number for Brian Diehl is 1245679372. It was assigned to this individual provider in the NPPES registry on June 21, 2013.

Where is Brian Diehl located?

Brian Diehl practices at 1601 Washington St, Boston, MA 02118. The listed phone number is (617) 425-2000.

What is Brian Diehl's specialty?

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

Is Brian Diehl enrolled in Medicare?

Yes. Brian Diehl is registered in the Medicare PECOS enrollment system.

What insurance does Brian Diehl accept?

Health plans from Harvard Pilgrim Health Care list Brian Diehl as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Brian Diehl was last updated on May 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.