ERIN WESLANDER PHARMD
NPI 1205763836
Pharmacist - Infectious Diseases in Chicago, IL
NPI Status: Active since May 07, 2026
Contact Information
251 E HURON ST
CHICAGO, IL
ZIP 60611
Phone: (320) 293-7597
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Pharmacist
- Infectious Diseases
About ERIN WESLANDER
This page provides the complete NPI Profile along with additional information for Erin Weslander, a provider established in Chicago, Illinois with a medical specialization in Pharmacist, focusing in infectious diseases . The healthcare provider is registered in the NPI registry with number 1205763836 assigned on May 2026. The practitioner's primary taxonomy code is 1835I0206X with license number IND-930083 (IL). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1205763836
- Provider Name
- ERIN WESLANDER PHARMD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 251 E HURON ST CHICAGO, IL 60611
- Location Phone
- (320) 293-7597
- Mailing Address
- 235 W VAN BUREN ST UNIT 2205 CHICAGO, IL 60607
- Mailing Phone
- (320) 293-7597
- Mailing Fax
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-07-2026
- Last Update Date
- 05-07-2026
- 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.
- IND-930083
- License State
- IL
- 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.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 183500000X | Pharmacy Service Providers | Pharmacist | 051.304647 (IL) |
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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 1205763836, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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 64 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 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
CHICAGO, IL 60611
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1205763836, enumerated as an "individual" on May 07, 2026.
The provider is located at 251 E HURON ST CHICAGO, IL 60611 and the phone number is (320) 293-7597.
Pharmacist with taxonomy code 1835I0206X and a focus in Infectious Diseases.
