DR. JOEL SELTZER MD
NPI 1619979093
Psychiatry & Neurology - Psychiatry in Tucson, AZ

NPI Status: Active since August 15, 2005

Contact Information

11900 N LA CANADA DR UNIT 69862
TUCSON, AZ
ZIP 85737
Phone: (239) 888-1447

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About JOEL SELTZER

This page provides the complete NPI Profile along with additional information for Joel Seltzer, a provider established in Tucson, Arizona with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1619979093 assigned on August 2005. The practitioner's primary taxonomy code is 2084P0800X with license number 22301 (AZ). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1619979093
Provider Name
DR. JOEL SELTZER MD
Gender
Male
Entity Type
Individual
Location Address
11900 N LA CANADA DR UNIT 69862 TUCSON, AZ 85737
Location Phone
(239) 888-1447
Mailing Address
11900 N LA CANADA DR UNIT 69862 TUCSON, AZ 85737
Is Sole Proprietor?
Yes
Enumeration Date
08-15-2005
Last Update Date
12-08-2025
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A psychiatrist like Joel Seltzer 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.
22301
License State
AZ
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.

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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 1619979093, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
6
Unchanged
Pos 3
1
Doubled → 2
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
7
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
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 1 → 2 9 → 18 → 9 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 + 6 + 2 + 9 + 1 + 8 + 7 + 1 + 8 + 0 + 1 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1619979093.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1619979093, enumerated as an "individual" on August 15, 2005.

The provider is located at 11900 N LA CANADA DR UNIT 69862 TUCSON, AZ 85737 and the phone number is (239) 888-1447.

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