WILLIAM DONALD MACKINLAY
NPI 1013655836
Counselor in Lowell, MA

Active since May 23, 2022
77 E MERRIMACK ST, LOWELL, MA 01852(978) 221-6923 Get Directions Write a Review

NPPES record last updated: May 23, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William Donald Mackinlay NPPES

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

WILLIAM DONALD MACKINLAY (NPI 1013655836) is an individual counselor in Lowell, Massachusetts and active in the NPI registry since May 2022.

NPPES Registry Identity

NPI1013655836
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameWILLIAM DONALD MACKINLAY
Location Address77 E MERRIMACK STLowell, MA 01852-1251
Mailing Address77 E Merrimack StLowell, MA 01852-1251 · (978) 221-6923
Sole ProprietorNo
Enumeration DateMay 23, 2022
NPPES CertifiedMay 23, 2022
NPI 1013655836 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.
77 E MERRIMACK ST, Lowell, MA 01852

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.

Case Manager/Care Coordinator
77 E MERRIMACK ST
LOWELL, MA 01852
Social Worker
77 E MERRIMACK ST
LOWELL, MA 01852
Counselor
77 E MERRIMACK ST
LOWELL, MA 01852
Behavior Analyst
77 E MERRIMACK ST
LOWELL, MA 01852
Counselor (Mental Health)
77 E MERRIMACK ST
LOWELL, MA 01852
Counselor (Mental Health)
77 E MERRIMACK ST
LOWELL, MA 01852
Student in an Organized Health Care Education/Training Program
77 E MERRIMACK ST
LOWELL, MA 01852
Counselor (Mental Health)
77 E MERRIMACK ST
LOWELL, MA 01852

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 Mackinlay's NPI number?

The NPI number for William Mackinlay is 1013655836. It was assigned to this individual provider in the NPPES registry on May 23, 2022.

Where is William Mackinlay located?

William Mackinlay practices at 77 E Merrimack St, Lowell, MA 01852. The listed phone number is (978) 221-6923.

What is William Mackinlay's specialty?

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

When was this NPI record last updated?

The NPPES record for William Mackinlay was last updated on May 23, 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.