RONALD STERN PHARM.D.
NPI 1720924632
Pharmacist in Chicago, IL
NPI Status: Active since April 24, 2026
Contact Information
5841 S MARYLAND AVE
CHICAGO, IL
ZIP 60637
Phone: (773) 702-1220
- Individual
- Male
- Pharmacist
About RONALD STERN
This page provides the complete NPI Profile along with additional information for Ronald Stern, a provider established in Chicago, Illinois with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1720924632 assigned on April 2026. The practitioner's primary taxonomy code is 183500000X with license number 051300906 (IL). The provider is registered as an individual and his NPI record was last updated April 2026.
- NPI
- 1720924632
- Provider Name
- RONALD STERN PHARM.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5841 S MARYLAND AVE CHICAGO, IL 60637
- Location Phone
- (773) 702-1220
- Mailing Address
- 5841 S MARYLAND AVE CHICAGO, IL 60637
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-24-2026
- Last Update Date
- 04-24-2026
- Code Navigator
A pharmacist like Ronald Stern 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
- Taxonomy Code
- 183500000X
- Type
- Pharmacy Service Providers
- License No.
- 051300906
- License State
- IL
- Taxonomy Description
- An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.
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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 1720924632, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).
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 68 is 70. 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.
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
CHICAGO, IL 60637
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720924632, enumerated as an "individual" on April 24, 2026.
The provider is located at 5841 S MARYLAND AVE CHICAGO, IL 60637 and the phone number is (773) 702-1220.
Pharmacist with taxonomy code 183500000X.
