KATHERINE M FISCHER RN
NPI 1780477919
Registered Nurse - Obstetric, Inpatient in Indianapolis, IN

NPI Status: Active since May 28, 2025

Contact Information

2001 W 86TH ST
INDIANAPOLIS, IN
ZIP 46260
Phone: (317) 415-4650

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

Individual
Female
Registered Nurse
Obstetric, Inpatient

About KATHERINE FISCHER

This page provides the complete NPI Profile along with additional information for Katherine Fischer, a women's health care provider established in Indianapolis, Indiana with a medical specialization in Registered Nurse, focusing in obstetric, inpatient . The healthcare provider is registered in the NPI registry with number 1780477919 assigned on May 2025. The practitioner's primary taxonomy code is 163WX0003X with license number 28206411A (IN). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1780477919
Provider Name: KATHERINE M FISCHER RN
Gender: Female
Entity Type: Individual
Location Address: 2001 W 86TH ST INDIANAPOLIS, IN 46260
Location Phone: (317) 415-4650
Mailing Address: 5219 N COLLEGE AVE APT 712 INDIANAPOLIS, IN 46220
Mailing Phone: (317) 258-8426
Is Sole Proprietor?: Yes
Enumeration Date: 05-28-2025
Last Update Date: 05-28-2025
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Women's health care providers like Katherine Fischer treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

Location Map

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: Registered Nurse Obstetric, Inpatient
Taxonomy Code: 163WX0003X
Type: Nursing Service Providers
License No.: 28206411A
License State: IN

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 1780477919, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 8

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

Pos 8

Unchanged

Pos 9

Doubled → 2

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 8 → 16 → 7 4 → 8 7 → 14 → 5 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 8 + 7 + 1 + 4 + 9 + 2 + 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 1780477919.