DR. CALVIN COLARUSSO M.D.
NPI 1457775850
Psychiatry & Neurology - Child & Adolescent Psychiatry in La Jolla, CA

NPI Status: Active since February 06, 2014

Contact Information

1020 PROSPECT ST
SUITE 415
LA JOLLA, CA
ZIP 92037
Phone: (858) 454-2473
Fax: (858) 454-4192

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

About CALVIN COLARUSSO

This page provides the complete NPI Profile along with additional information for Calvin Colarusso, a provider established in La Jolla, California with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1457775850 assigned on February 2014. The practitioner's primary taxonomy code is 2084P0804X with license number C28845 (CA). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1457775850
Provider Name
DR. CALVIN COLARUSSO M.D.
Gender
Male
Entity Type
Individual
Location Address
1020 PROSPECT ST SUITE 415 LA JOLLA, CA 92037
Location Phone
(858) 454-2473
Location Fax
(858) 454-4192
Mailing Address
1020 PROSPECT ST SUITE 415 LA JOLLA, CA 92037
Mailing Phone
(858) 454-2473
Mailing Fax
(858) 454-4192
Is Sole Proprietor?
Yes
Enumeration Date
02-06-2014
Last Update Date
02-06-2014
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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.
C28845
License State
CA
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 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 1457775850, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
0
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 5 → 10 → 1 7 → 14 → 5 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 1 + 4 + 7 + 1 + 0 + 8 + 1 + 0 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1457775850.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
1020 PROSPECT ST, SUITE 309
LA JOLLA, CA 92037
Psychiatry & Neurology (Hospice and Palliative Medicine)
1020 PROSPECT ST, STE. 415B
LA JOLLA, CA 92037
Psychiatry & Neurology (Psychiatry)
1020 PROSPECT ST
LA JOLLA, CA 92037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457775850, enumerated as an "individual" on February 06, 2014.

The provider is located at 1020 PROSPECT ST SUITE 415 LA JOLLA, CA 92037 and the phone number is (858) 454-2473.

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