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DOROTHY MACK
NPI 1356623755
Counselor in Pittsfield, MA

Active since September 13, 2011PECOS Enrolled
359 FENN ST, ADMINISTRATIVE OFFICES, PITTSFIELD, MA 01201(413) 629-1262(413) 448-2198 Get Directions Write a Review

NPPES record last updated: September 13, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dorothy Mack NPPES

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

DOROTHY MACK (NPI 1356623755) is an individual counselor in Pittsfield, Massachusetts and active in the NPI registry since September 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1356623755
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameDOROTHY MACK
Location Address359 FENN ST, ADMINISTRATIVE OFFICESPittsfield, MA 01201-5261
Mailing Address359 Fenn St, Administrative OfficesPittsfield, MA 01201-5261 · (413) 629-1262 · Fax (413) 448-2198
Phone(413) 629-1262
Fax(413) 448-2198
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateSeptember 13, 2011
✔ NPI 1356623755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
359 FENN ST, Pittsfield, MA 01201
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dorothy Mack is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6002152261
PECOS Enrollment IDI20190108003680
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.

Medicare Billing Reassignment

Medicare enrollment records show Dorothy Mack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dorothy Mack, Licsw LLC
0.3 mi
Adult Mental Health
10 WENDELL AVENUE EXT STE 209
Pittsfield, MA 01201
  • Reassigned Medicare billing, Massachusetts enrollment
NPI 1578150439 (413) 281-0141

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DANIEL SULLIVAN
Counselor
359 FENN ST, ADMINISTRATIVE OFFICES
PITTSFIELD, MA 01201
Berkshire County (413) 629-1251
THERESA WHITNEY
Counselor
359 FENN ST, ADMINISTRATIVE OFFICES
PITTSFIELD, MA 01201
Berkshire County (413) 629-1262
QUINTIN SUMPTER
Counselor
359 FENN ST, ADMINISTRATIVE OFFICES
PITTSFIELD, MA 01201
Berkshire County (413) 629-1262
BETHANY GILBERT
Counselor
359 FENN ST, ADMINISTRATIVE OFFICES
PITTSFIELD, MA 01201
Berkshire County (413) 629-1262
JENNA KNAUSS
Counselor
359 FENN ST, ADMINISTRATIVE OFFICES
PITTSFIELD, MA 01201
Berkshire County (413) 629-1262
ERIC SLAUGHTER
Counselor
359 FENN ST, ADMINISTRATIVE OFFICES
PITTSFIELD, MA 01201
Berkshire County (413) 629-1262
JOCELYN DUPONT
Counselor
359 FENN ST
PITTSFIELD, MA 01201
Berkshire County (413) 499-0412
SAMANTHA COLLETTA
Counselor
359 FENN ST
PITTSFIELD, MA 01201
Berkshire County (413) 629-1262

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 Dorothy Mack's NPI number?

The NPI number for Dorothy Mack is 1356623755. It was assigned to this individual provider in the NPPES registry on September 13, 2011.

Where is Dorothy Mack located?

Dorothy Mack practices at 359 Fenn St Administrative Offices, Pittsfield, MA 01201. The listed phone number is (413) 629-1262.

What is Dorothy Mack's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Dorothy Mack enrolled in Medicare?

Yes. Dorothy Mack is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dorothy Mack's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dorothy Mack reassigns Medicare benefits to Dorothy Mack, Licsw LLC (Pittsfield, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dorothy Mack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dorothy Mack accept?

Health plans from Anthem Blue Cross and Blue Shield list Dorothy Mack 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 Dorothy Mack was last updated on September 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.