DR. TERRA ANN NAUMOWICH PHARMD
NPI 1952239477
Pharmacist - Oncology in Rockford, IL

NPI Status: Active since May 13, 2026

Contact Information

3535 N BELL SCHOOL RD
ROCKFORD, IL
ZIP 61114
Phone: (779) 696-9419
Fax: (779) 696-9424

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Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

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

Individual
Female
Pharmacist
Oncology

About TERRA NAUMOWICH

This page provides the complete NPI Profile along with additional information for Terra Naumowich, a provider established in Rockford, Illinois with a medical specialization in Pharmacist, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1952239477 assigned on May 2026. The practitioner's primary taxonomy code is 1835X0200X with license number 051-040287 (IL). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI: 1952239477
Provider Name: DR. TERRA ANN NAUMOWICH PHARMD
Gender: Female
Entity Type: Individual
Location Address: 3535 N BELL SCHOOL RD ROCKFORD, IL 61114
Location Phone: (779) 696-9419
Location Fax: (779) 696-9424
Mailing Address: 3535 N BELL SCHOOL RD ROCKFORD, IL 61114
Mailing Phone: (779) 696-9419
Mailing Fax: (779) 696-9424
Is Sole Proprietor?: No
Enumeration Date: 05-13-2026
Last Update Date: 05-13-2026
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A pharmacist like Terra Naumowich fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

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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: Pharmacist Oncology
Taxonomy Code: 1835X0200X
Type: Pharmacy Service Providers
License No.: 051-040287
License State: IL
Taxonomy Description: A licensed pharmacist who has demonstrated specialized knowledge and skill in developing, recommending, implementing, monitoring, and modifying pharmacotherapeutic plans to optimize outcomes in patients with malignant diseases.

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 1952239477, 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 → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 4

Pos 6

Unchanged

Pos 7

Doubled → 18 → 1 + 8

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

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 5 → 10 → 1 2 → 4 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 4 + 3 + 1 + 8 + 4 + 1 + 4 + 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 1952239477.