CHRISTINA MARIE HAISLEY APRN
NPI 1427928407
Psychiatry & Neurology - Geriatric Psychiatry in Indianapolis, IN

NPI Status: Active since November 06, 2025

Contact Information

429 E VERMONT ST STE 110
INDIANAPOLIS, IN
ZIP 46202
Phone: (317) 445-3575

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Psychiatry & Neurology
Geriatric Psychiatry

About CHRISTINA HAISLEY

This page provides the complete NPI Profile along with additional information for Christina Haisley, a provider established in Indianapolis, Indiana with a medical specialization in Psychiatry & Neurology, focusing in geriatric psychiatry . The healthcare provider is registered in the NPI registry with number 1427928407 assigned on November 2025. The practitioner's primary taxonomy code is 2084P0805X with license number 28180301A (IN). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1427928407
Provider Name: CHRISTINA MARIE HAISLEY APRN
Gender: Female
Entity Type: Individual
Location Address: 429 E VERMONT ST STE 110 INDIANAPOLIS, IN 46202
Location Phone: (317) 445-3575
Mailing Address: 1414 CASCADES DR GREENFIELD, IN 46140
Mailing Phone: (765) 914-9425
Mailing Fax
Is Sole Proprietor?: No
Enumeration Date: 11-06-2025
Last Update Date: 11-06-2025
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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 Geriatric Psychiatry
Taxonomy Code: 2084P0805X
Type: Allopathic & Osteopathic Physicians
License No.: 28180301A
License State: IN
Taxonomy Description: Geriatric Psychiatry is a subspecialty with psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.

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 1427928407, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 4

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 0

Check

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 2 → 4 9 → 18 → 9 8 → 16 → 7 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 8 + 2 + 1 + 6 + 4 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7

This NPI is valid

The calculated check digit is 7, which matches the last digit of 1427928407.