MRS. GISELLE L AHL RPH
NPI 1528922184
Pharmacist in Denver, CO
NPI Status: Active since December 09, 2025
Contact Information
3525 W OXFORD AVE UNIT G-1
DENVER, CO
ZIP 80236
Phone: (303) 315-6150
- Individual
- Female
- Pharmacist
About GISELLE AHL
This page provides the complete NPI Profile along with additional information for Giselle Ahl, a provider established in Denver, Colorado with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1528922184 assigned on December 2025. The practitioner's primary taxonomy code is 183500000X with license number PHA.0022078 (CO). The provider is registered as an individual and her NPI record was last updated one year ago. Giselle Ahl operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.
- NPI
- 1528922184
- Provider Name
- MRS. GISELLE L AHL RPH
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 3525 W OXFORD AVE UNIT G-1 DENVER, CO 80236
- Location Phone
- (303) 315-6150
- Mailing Address
- 2841 S JACKSON ST DENVER, CO 80210
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 12-09-2025
- Last Update Date
- 12-09-2025
- Code Navigator
A pharmacist like Giselle Ahl 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.
- PHA.0022078
- License State
- CO
- 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.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
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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 1528922184, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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.
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 66 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 14 providers are registered at the same or a nearby location.
DENVER, CO 80236
DENVER, CO 80236
DENVER, CO 80236
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1528922184, enumerated as an "individual" on December 09, 2025.
The provider is located at 3525 W OXFORD AVE UNIT G-1 DENVER, CO 80236 and the phone number is (303) 315-6150.
Pharmacist with taxonomy code 183500000X.
