RAHUL SUBRAMANIAN IYER
NPI 1083581250
Nurse Practitioner - Psychiatric/Mental Health in Brentwood, NY

NPI Status: Active since October 21, 2025

Contact Information

1869 BRENTWOOD RD
BRENTWOOD, NY
ZIP 11717
Phone: (844) 400-1975

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  • Individual
  • Male
  • Nurse Practitioner
  • Psychiatric/Mental Health

About RAHUL IYER

This page provides the complete NPI Profile along with additional information for Rahul Iyer, a provider established in Brentwood, New York with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1083581250 assigned on October 2025. The practitioner's primary taxonomy code is 363LP0808X with license number 405648 (NY). The provider is registered as an individual and his NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1083581250
Provider Name
RAHUL SUBRAMANIAN IYER
Gender
Male
Entity Type
Individual
Location Address
1869 BRENTWOOD RD BRENTWOOD, NY 11717
Location Phone
(844) 400-1975
Mailing Address
400 LOCUST LN ROSLYN HEIGHTS, NY 11577
Is Sole Proprietor?
Yes
Enumeration Date
10-21-2025
Last Update Date
10-21-2025
Code Navigator

A nurse practitioner (NP) like Rahul Iyer is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

Location Map

Secondary Locations

  • 82 Middle Country Rd
    Coram, NY 11727
    (844) 400-1975
  • 501 N Ocean Ave
    Patchogue, NY 11772
    (844) 400-1975
  • 1556 Straight Path
    Wyandanch, NY 11798
    (844) 400-1975

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

Nurse Practitioner Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
405648
License State
NY

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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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 1083581250, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
2
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 8 → 16 → 7 5 → 10 → 1 1 → 2 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 1 + 0 + 8 + 2 + 2 + 1 + 0 + 24 = 50

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

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1083581250.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Clinic/Center (Public Health, State or Local)
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Physician Assistant
1869 BRENTWOOD RD, BRENTWOOD
BRENTWOOD, NY 11717
Physician Assistant
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Obstetrics & Gynecology
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Pediatrics
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Family Medicine
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Family Medicine
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Family Medicine
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Dietitian, Registered (Nutrition, Metabolic)
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Physician Assistant (Medical)
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Nurse Practitioner (Women's Health)
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Nurse Practitioner (Adult Health)
1869 BRENTWOOD RD, SUFFOLK COUNTY EMPLOYEE HEALTH SERVICES
BRENTWOOD, NY 11717
Registered Nurse (Diabetes Educator)
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Clinic/Center
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Dietitian, Registered
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Pediatrics
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Clinic/Center (Federally Qualified Health Center (FQHC))
1869 BRENTWOOD RD, HRHC BRENTWOOD
BRENTWOOD, NY 11717
Midwife
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Family Medicine
1869 BRENTWOOD RD
BRENTWOOD, NY 11717
Obstetrics & Gynecology
1869 BRENTWOOD RD
BRENTWOOD, NY 11717

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083581250, enumerated as an "individual" on October 21, 2025.

The provider is located at 1869 BRENTWOOD RD BRENTWOOD, NY 11717 and the phone number is (844) 400-1975.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.