DR. IRA D FEIRSTEIN MD
NPI 1831256999
Psychiatry & Neurology - Psychiatry in New York, NY

NPI Status: Active since January 01, 2007

Contact Information

1235 PARK AVE
APT 1B
NEW YORK, NY
ZIP 10128
Phone: (212) 427-0419
Fax: (212) 427-0419

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About IRA FEIRSTEIN

This page provides the complete NPI Profile along with additional information for Ira Feirstein, a provider established in New York, New York with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1831256999 assigned on January 2007. The practitioner's primary taxonomy code is 2084P0800X with license number 106364 (NY). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1831256999
Provider Name
DR. IRA D FEIRSTEIN MD
Gender
Male
Entity Type
Individual
Location Address
1235 PARK AVE APT 1B NEW YORK, NY 10128
Location Phone
(212) 427-0419
Location Fax
(212) 427-0419
Mailing Address
1235 PARK AVE APT 1B NEW YORK, NY 10128
Mailing Phone
(212) 427-0419
Mailing Fax
(212) 427-0419
Is Sole Proprietor?
Yes
Enumeration Date
01-01-2007
Last Update Date
07-08-2007
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A psychiatrist like Ira Feirstein 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.
106364
License State
NY
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 1831256999, 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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
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 3 → 6 2 → 4 6 → 12 → 3 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 4 + 5 + 1 + 2 + 9 + 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 1831256999.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Child & Adolescent Psychiatry)
1235 PARK AVE
NEW YORK, NY 10128
Psychologist
1235 PARK AVE, SUITE 4C
NEW YORK, NY 10128
Psychiatry & Neurology (Psychiatry)
1235 PARK AVE, SUITE 1B
NEW YORK, NY 10128
Psychologist (Clinical)
1235 PARK AVE, 16D
NEW YORK, NY 10128
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1235 PARK AVE, SUITE 1B
NEW YORK, NY 10128
Psychiatry & Neurology (Child & Adolescent Psychiatry)
1235 PARK AVE, #1B
NEW YORK, NY 10128

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831256999, enumerated as an "individual" on January 01, 2007.

The provider is located at 1235 PARK AVE APT 1B NEW YORK, NY 10128 and the phone number is (212) 427-0419.

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