RAHUL MAINI MD
NPI 1831891803
Psychiatry & Neurology - Child & Adolescent Psychiatry in Fontana, CA

NPI Status: Active since March 21, 2023

Contact Information

17234 VALLEY BLVD., BLDG. A
GRADUATE MEDICAL EDUCATION-CENTER FOR MEDICAL EDUCATION
FONTANA, CA
ZIP 92335
Phone: (909) 427-5679

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

About RAHUL MAINI

This page provides the complete NPI Profile along with additional information for Rahul Maini, a provider established in Fontana, California with a medical specialization in Psychiatry & Neurology, focusing in child & adolescent psychiatry . The healthcare provider is registered in the NPI registry with number 1831891803 assigned on March 2023. The practitioner's primary taxonomy code is 2084P0804X with license number A208141 (CA). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1831891803
Provider Name
RAHUL MAINI MD
Gender
Male
Entity Type
Individual
Location Address
17234 VALLEY BLVD., BLDG. A GRADUATE MEDICAL EDUCATION-CENTER FOR MEDICAL EDUCATION FONTANA, CA 92335
Location Phone
(909) 427-5679
Mailing Address
17234 VALLEY BLVD., BLDG. A GRADUATE MEDICAL EDUCATION-CENTER FOR MEDICAL EDUCATION FONTANA, CA 92335
Mailing Phone
(909) 427-5679
Is Sole Proprietor?
No
Enumeration Date
03-21-2023
Last Update Date
04-13-2026
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Location Map

Secondary Locations

  • 400 W Mineral King Ave
    Visalia, CA 93291
    (559) 624-5535

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.
A208141
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

A208141 (CA)
2390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

A208141 (CA)

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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 1831891803, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
8
Unchanged
Pos 3
3
Doubled → 6
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
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 3 → 6 8 → 16 → 7 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 1 + 6 + 9 + 2 + 8 + 0 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1831891803.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Psychiatry)
17234 VALLEY BLVD., BLDG. A
FONTANA, CA 92335
Student in an Organized Health Care Education/Training Program
17234 VALLEY BLVD., BLDG. A
FONTANA, CA 92335

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1831891803, enumerated as an "individual" on March 21, 2023.

The provider is located at 17234 VALLEY BLVD., BLDG. A GRADUATE MEDICAL EDUCATION-CENTER FOR MEDICAL EDUCATION FONTANA, CA 92335 and the phone number is (909) 427-5679.

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