DR. DONALD HOROWITZ MD
NPI 1982734356
Psychiatry & Neurology - Psychiatry in Claremont, CA

NPI Status: Active since March 06, 2007

Contact Information

480 N INDIAN HILL BLVD
STE. A-1
CLAREMONT, CA
ZIP 91711
Phone: (909) 625-5509
Fax: (909) 625-5508

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About DONALD HOROWITZ

This page provides the complete NPI Profile along with additional information for Donald Horowitz, a provider established in Claremont, California with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1982734356 assigned on March 2007. The practitioner's primary taxonomy code is 2084P0800X with license number A22814 (CA). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1982734356
Provider Name
DR. DONALD HOROWITZ MD
Gender
Male
Entity Type
Individual
Location Address
480 N INDIAN HILL BLVD STE. A-1 CLAREMONT, CA 91711
Location Phone
(909) 625-5509
Location Fax
(909) 625-5508
Mailing Address
PO BOX 1990 CLAREMONT, CA 91711
Mailing Phone
(909) 625-5509
Mailing Fax
(909) 625-5508
Is Sole Proprietor?
Yes
Enumeration Date
03-06-2007
Last Update Date
03-26-2014
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A psychiatrist like Donald Horowitz are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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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 Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
A22814
License State
CA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
A22814MEDICARE ID-TYPE UNSPECIFIED (04)CAMEDICARE
00A228140OTHER (01)CABLUE SHIELD

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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 1982734356, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
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 8 → 16 → 7 7 → 14 → 5 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 4 + 3 + 8 + 3 + 1 + 0 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1982734356.

Other Providers at the Same Location


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

Psychologist
480 N INDIAN HILL BLVD, SUITE 1A
CLAREMONT, CA 91711

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982734356, enumerated as an "individual" on March 06, 2007.

The provider is located at 480 N INDIAN HILL BLVD STE. A-1 CLAREMONT, CA 91711 and the phone number is (909) 625-5509.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

The provider might be accepting Accepts: Medicare, Medicaid and Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.