DIANA WALCZYK
NPI 1144110248
Pharmacist - Infectious Diseases in Philadelphia, PA
NPI Status: Active since July 09, 2025
Contact Information
51 N 39TH ST
PHILADELPHIA, PA
ZIP 19104
Phone: (215) 662-8000
- Individual
- Female
- Pharmacist
- Infectious Diseases
About DIANA WALCZYK
This page provides the complete NPI Profile along with additional information for Diana Walczyk, a provider established in Philadelphia, Pennsylvania with a medical specialization in Pharmacist, focusing in infectious diseases . The healthcare provider is registered in the NPI registry with number 1144110248 assigned on July 2025. The practitioner's primary taxonomy code is 1835I0206X with license number RP457924 (PA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1144110248
- Provider Name
- DIANA WALCZYK
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 51 N 39TH ST PHILADELPHIA, PA 19104
- Location Phone
- (215) 662-8000
- Mailing Address
- 636 WILSON AVE STATEN ISLAND, NY 10312
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 07-09-2025
- Last Update Date
- 07-09-2025
- Code Navigator
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 Infectious Diseases
- Taxonomy Code
- 1835I0206X
- Type
- Pharmacy Service Providers
- License No.
- RP457924
- License State
- PA
- Taxonomy Description
- A licensed pharmacist who has demonstrated specialized knowledge and skill in the use of microbiology and pharmacology to develop, implement, and monitor drug regimens that incorporate antimicrobials to optimize therapy for patients.
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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 1144110248, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 52 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
PHILADELPHIA, PA 19104
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1144110248, enumerated as an "individual" on July 09, 2025.
The provider is located at 51 N 39TH ST PHILADELPHIA, PA 19104 and the phone number is (215) 662-8000.
Pharmacist with taxonomy code 1835I0206X and a focus in Infectious Diseases.
