DR. YAJIE YU MD
NPI 1598111056
Psychiatry & Neurology - Child & Adolescent Psychiatry in Brockton, MA

NPI Status: Active since May 13, 2016

Contact Information

65 LIBBY ST
BROCKTON, MA
ZIP 02302
Phone: (508) 584-6060

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Child & Adolescent Psychiatry

About YAJIE YU

This page provides the complete NPI Profile along with additional information for Yajie Yu, a provider established in Brockton, Massachusetts with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1598111056 assigned on May 2016. The practitioner's primary taxonomy code is 2084P0804X with license number 288371 (MA). The provider is registered as an individual and his NPI record was last updated January 2026.

NPI
1598111056
Provider Name
DR. YAJIE YU MD
Gender
Male
Entity Type
Individual
Location Address
65 LIBBY ST BROCKTON, MA 02302
Location Phone
(508) 584-6060
Mailing Address
115 MILL ST BELMONT, MA 02478
Is Sole Proprietor?
No
Enumeration Date
05-13-2016
Last Update Date
01-20-2026
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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

Psychiatry & Neurology Child & Adolescent Psychiatry

Taxonomy Code
2084P0804X
Type
Allopathic & Osteopathic Physicians
License No.
288371
License State
MA
Taxonomy Description
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

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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 1598111056, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).

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
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
1
Doubled → 2
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 9 → 18 → 9 1 → 2 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 2 + 1 + 2 + 0 + 1 + 0 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1598111056.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Pediatrics
65 LIBBY ST
BROCKTON, MA 02302
Nurse Practitioner (Pediatrics)
65 LIBBY ST
BROCKTON, MA 02302
Pediatrics
65 LIBBY ST
BROCKTON, MA 02302
Pediatrics (Adolescent Medicine)
65 LIBBY ST
BROCKTON, MA 02302
Pediatrics
65 LIBBY ST
BROCKTON, MA 02302
Clinic/Center (Primary Care)
65 LIBBY ST
BROCKTON, MA 02302
Pediatrics
65 LIBBY ST
BROCKTON, MA 02302
Nurse Practitioner (Pediatrics)
65 LIBBY ST
BROCKTON, MA 02302
Nurse Practitioner (Family)
65 LIBBY ST
BROCKTON, MA 02302
Pediatrics
65 LIBBY ST
BROCKTON, MA 02302

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598111056, enumerated as an "individual" on May 13, 2016.

The provider is located at 65 LIBBY ST BROCKTON, MA 02302 and the phone number is (508) 584-6060.

Psychiatry & Neurology with taxonomy code 2084P0804X and a focus in Child & Adolescent Psychiatry.