RANDALL BRUCE GURAK M.D.
NPI 1770659799
Psychiatry & Neurology - Child & Adolescent Psychiatry in Valley Forge, PA

NPI Status: Active since November 28, 2006

Contact Information

1604 HORSESHOE TRAIL
RM 341
VALLEY FORGE, PA
ZIP 19481
Phone: (610) 640-4751
Fax: (610) 933-7451

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

About RANDALL GURAK

This page provides the complete NPI Profile along with additional information for Randall Gurak, a provider established in Valley Forge, Pennsylvania with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1770659799 assigned on November 2006. The practitioner's primary taxonomy code is 2084P0804X with license number 25MA05031100 (NJ). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1770659799
Provider Name
RANDALL BRUCE GURAK M.D.
Gender
Male
Entity Type
Individual
Location Address
1604 HORSESHOE TRAIL RM 341 VALLEY FORGE, PA 19481
Location Phone
(610) 640-4751
Location Fax
(610) 933-7451
Mailing Address
PO BOX 341 VALLEY FORGE, PA 19481
Mailing Phone
(610) 640-4751
Mailing Fax
(610) 933-7451
Is Sole Proprietor?
Yes
Enumeration Date
11-28-2006
Last Update Date
02-21-2022
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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.
25MA05031100
License State
NJ
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)
12084P0804XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Child & Adolescent Psychiatry

MD039270E (PA)

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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 1770659799, 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
7
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
0
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 7 → 14 → 5 6 → 12 → 3 9 → 18 → 9 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 4 + 0 + 1 + 2 + 5 + 1 + 8 + 7 + 1 + 8 + 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 1770659799.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1770659799, enumerated as an "individual" on November 28, 2006.

The provider is located at 1604 HORSESHOE TRAIL RM 341 VALLEY FORGE, PA 19481 and the phone number is (610) 640-4751.

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