DR. DONALD LAWRENCE SHERAK M.D.
NPI 1588675425
Psychiatry & Neurology - Child & Adolescent Psychiatry in Brookline, MA

NPI Status: Active since August 09, 2006

Contact Information

1330 BEACON ST
SUITE 327
BROOKLINE, MA
ZIP 02446
Phone: (617) 730-4979
Fax: (815) 377-2660

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

About DONALD SHERAK

This page provides the complete NPI Profile along with additional information for Donald Sherak, a provider established in Brookline, Massachusetts with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1588675425 assigned on August 2006. The practitioner's primary taxonomy code is 2084P0804X with license number 76578 (MA). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1588675425
Provider Name
DR. DONALD LAWRENCE SHERAK M.D.
Gender
Male
Entity Type
Individual
Location Address
1330 BEACON ST SUITE 327 BROOKLINE, MA 02446
Location Phone
(617) 730-4979
Location Fax
(815) 377-2660
Mailing Address
50 CENTRE ST BROOKLINE, MA 02446
Mailing Phone
(617) 730-4979
Mailing Fax
(815) 377-2660
Is Sole Proprietor?
Yes
Enumeration Date
08-09-2006
Last Update Date
07-21-2022
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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.
76578
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
12084F0202XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Forensic Psychiatry

76578 (MA)
22084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

76578 (MA)

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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 1588675425, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
5
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 8 → 16 → 7 6 → 12 → 3 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 1 + 2 + 7 + 1 + 0 + 4 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1588675425.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Dentist (Oral and Maxillofacial Surgery)
1330 BEACON ST, STE 344
BROOKLINE, MA 02446
Psychologist
1330 BEACON ST, STE 253
BROOKLINE, MA 02446
Chiropractor
1330 BEACON ST, SUITE 202
BROOKLINE, MA 02446
Psychologist
1330 BEACON ST, STE 256
BROOKLINE, MA 02446
Psychiatry & Neurology (Psychiatry)
1330 BEACON ST, SUITE 254
BROOKLINE, MA 02446
Psychologist (Clinical)
1330 BEACON ST, SUITE 225
BROOKLINE, MA 02446
Specialist
1330 BEACON ST, SUITE 263
BROOKLINE, MA 02446
Dentist (Prosthodontics)
1330 BEACON ST, SUITE 353
BROOKLINE, MA 02446
Psychologist (Exercise & Sports)
1330 BEACON ST, SUITE 248
BROOKLINE, MA 02446
Psychologist (Clinical)
1330 BEACON ST, SUITE 327
BROOKLINE, MA 02446
Social Worker (Clinical)
1330 BEACON ST, SUITE 240
BROOKLINE, MA 02446
Psychologist (Clinical)
1330 BEACON ST, SUITE 324
BROOKLINE, MA 02446
Psychologist (Clinical)
1330 BEACON ST, 345
BROOKLINE, MA 02446
Social Worker (Clinical)
1330 BEACON ST, SUITE 203
BROOKLINE, MA 02446
Psychologist
1330 BEACON ST, STE 203
BROOKLINE, MA 02446
Social Worker
1330 BEACON ST, SUITE 351
BROOKLINE, MA 02446
Occupational Therapist
1330 BEACON ST, SUITE 221
BROOKLINE, MA 02446
Counselor (Mental Health)
1330 BEACON ST, SUITE 347
BROOKLINE, MA 02446
Psychologist (Clinical)
1330 BEACON ST, #215
BROOKLINE, MA 02446
Social Worker (Clinical)
1330 BEACON ST, SUITE 327
BROOKLINE, MA 02446

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588675425, enumerated as an "individual" on August 09, 2006.

The provider is located at 1330 BEACON ST SUITE 327 BROOKLINE, MA 02446 and the phone number is (617) 730-4979.

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