CAROLINE E DIRR
NPI 1043151384
Nurse Practitioner - Family in Pittsburgh, PA

NPI Status: Active since April 02, 2026

Contact Information

300 HALKET ST STE 4500
PITTSBURGH, PA
ZIP 15213
Phone: (412) 641-6600

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About CAROLINE DIRR

This page provides the complete NPI Profile along with additional information for Caroline Dirr, a provider established in Pittsburgh, Pennsylvania with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1043151384 assigned on April 2026. The practitioner's primary taxonomy code is 363LF0000X with license number SP035494 (PA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1043151384
Provider Name
CAROLINE E DIRR
Gender
Female
Entity Type
Individual
Location Address
300 HALKET ST STE 4500 PITTSBURGH, PA 15213
Location Phone
(412) 641-6600
Mailing Address
1759 WATERFRONT PL APT 457M PITTSBURGH, PA 15222
Is Sole Proprietor?
No
Enumeration Date
04-02-2026
Last Update Date
04-02-2026
Code Navigator

A nurse practitioner (NP) like Caroline Dirr is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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

Nurse Practitioner Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
SP035494
License State
PA

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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 1043151384, we treat the final digit (4) 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

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
0
Unchanged
Pos 3
4
Doubled → 8
Pos 4
3
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 4 → 8 1 → 2 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 2 + 5 + 2 + 3 + 1 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1043151384.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Physician Assistant (Medical)
300 HALKET ST STE 4500
PITTSBURGH, PA 15213
Nurse Practitioner (Family)
300 HALKET ST STE 4500
PITTSBURGH, PA 15213
Physician Assistant (Medical)
300 HALKET ST STE 4500
PITTSBURGH, PA 15213

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043151384, enumerated as an "individual" on April 02, 2026.

The provider is located at 300 HALKET ST STE 4500 PITTSBURGH, PA 15213 and the phone number is (412) 641-6600.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.