BARCLAY COUNSELING & EDUCATIONAL SERVICES, PLLC
NPI 1518804939
Psychologist - School in Winchester, MA

NPI Status: Active since May 02, 2026

Contact Information

18 WATER ST
WINCHESTER, MA
ZIP 01890
Phone: (857) 636-8382

Get Directions Write a Review

  • Organization
  • Psychologist
  • School

About BARCLAY COUNSELING & EDUCATIONAL SERVICES, PLLC

This page provides the complete NPI Profile along with additional information for Barclay Counseling & Educational Services, Pllc, a provider established in Winchester, Massachusetts operating as a Psychologist, focusing in school . The healthcare provider is registered in the NPI registry with number 1518804939 assigned on May 2026. The practitioner's primary taxonomy code is 103TS0200X. The provider is registered as an organization and their NPI record was last updated May 2026. Barclay Counseling & Educational Services, Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Ms. Catharine Barclay Lep (Educational Psychologist)

NPI
1518804939
Provider Name
BARCLAY COUNSELING & EDUCATIONAL SERVICES, PLLC
Entity Type
Organization
Location Address
18 WATER ST WINCHESTER, MA 01890
Location Phone
(857) 636-8382
Mailing Address
18 WATER ST WINCHESTER, MA 01890
Mailing Phone
(857) 636-8382
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-02-2026
Last Update Date
05-02-2026
Code Navigator

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychologist School

Taxonomy Code
103TS0200X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MS. CATHARINE BARCLAY LEP

Authorized Official Title
EDUCATIONAL PSYCHOLOGIST
Authorized Official Phone
(857) 636-8382

Reviews for BARCLAY COUNSELING & EDUCATIONAL SERVICES, PLLC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1518804939, we treat the final digit (9) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
1
Doubled → 2
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
9
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 1 → 2 8 → 16 → 7 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 2 + 8 + 1 + 6 + 0 + 8 + 9 + 6 + 24 = 71

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1518804939.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Psychologist (School)
18 WATER ST
WINCHESTER, MA 01890

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1518804939, enumerated as an "organization" on May 02, 2026.

The provider is located at 18 WATER ST WINCHESTER, MA 01890 and the phone number is (857) 636-8382.

Psychologist with taxonomy code 103TS0200X and a focus in School.