BROCK O'KEEFE
NPI 1821933953
Pharmacist - Oncology in Indianapolis, IN

NPI Status: Active since April 23, 2026

Contact Information

1030 W MICHIGAN ST
INDIANAPOLIS, IN
ZIP 46202
Phone: (888) 600-4822

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  • Individual
  • Male
  • Pharmacist
  • Oncology

About BROCK O'KEEFE

This page provides the complete NPI Profile along with additional information for Brock O'keefe, a provider established in Indianapolis, Indiana with a medical specialization in Pharmacist, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1821933953 assigned on April 2026. The practitioner's primary taxonomy code is 1835X0200X with license number 26024548A (IN). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1821933953
Provider Name
BROCK O'KEEFE
Gender
Male
Entity Type
Individual
Location Address
1030 W MICHIGAN ST INDIANAPOLIS, IN 46202
Location Phone
(888) 600-4822
Mailing Address
5231 N ILLINOIS ST INDIANAPOLIS, IN 46208
Is Sole Proprietor?
No
Enumeration Date
04-23-2026
Last Update Date
04-23-2026
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A pharmacist like Brock O'keefe 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.

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

Pharmacist Oncology

Taxonomy Code
1835X0200X
Type
Pharmacy Service Providers
License No.
26024548A
License State
IN
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.

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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 1821933953, 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
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 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 2 → 4 9 → 18 → 9 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 1 + 8 + 3 + 6 + 9 + 1 + 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 1821933953.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Registered Nurse
1030 W MICHIGAN ST, SIMON CANCER CENTER
INDIANAPOLIS, IN 46202
Nurse Practitioner (Family)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Genetic Counselor, MS
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Nurse Practitioner (Gerontology)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Physician Assistant
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Nurse Practitioner
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Nurse Practitioner (Family)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Internal Medicine (Hematology & Oncology)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Internal Medicine (Hematology & Oncology)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Internal Medicine (Hematology & Oncology)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Nurse Practitioner (Gerontology)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Surgery
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Nurse Practitioner (Family)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Registered Nurse
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Internal Medicine (Medical Oncology)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Physician Assistant
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202
Internal Medicine (Hematology & Oncology)
1030 W MICHIGAN ST
INDIANAPOLIS, IN 46202

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821933953, enumerated as an "individual" on April 23, 2026.

The provider is located at 1030 W MICHIGAN ST INDIANAPOLIS, IN 46202 and the phone number is (888) 600-4822.

Pharmacist with taxonomy code 1835X0200X and a focus in Oncology.