MRS. GRETCHEN M AMOROSO
NPI 1245545649
Pharmacy - Clinic Pharmacy in Phoenix, AZ
NPI Status: Active since August 10, 2010
Contact Information
4025 E THUNDERBIRD RD
PHOENIX, AZ
ZIP 85032
Phone: (602) 953-3540
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.
- Individual
- Female
- Pharmacy
- Clinic Pharmacy
About GRETCHEN AMOROSO
This page provides the complete NPI Profile along with additional information for Gretchen Amoroso, a provider established in Phoenix, Arizona with a medical specialization in Pharmacy, focusing in clinic pharmacy . The healthcare provider is registered in the NPI registry with number 1245545649 assigned on August 2010. The practitioner's primary taxonomy code is 3336C0002X with license number S011272 (AZ). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1245545649
- Provider Name
- MRS. GRETCHEN M AMOROSO
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 4025 E THUNDERBIRD RD PHOENIX, AZ 85032
- Location Phone
- (602) 953-3540
- Mailing Address
- 4779 E AGAVE LN CAVE CREEK, AZ 85331
- Mailing Phone
- (602) 369-9580
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-10-2010
- Last Update Date
- 06-30-2026
- 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
Pharmacy Clinic Pharmacy
- Taxonomy Code
- 3336C0002X
- Type
- Suppliers
- License No.
- S011272
- License State
- AZ
- Taxonomy Description
- A pharmacy in a clinic, emergency room or hospital (outpatient) that dispenses medications to patients for self-administration under the supervision of a pharmacist.
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 | S011272 (AZ) |
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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 1245545649, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
PHOENIX, AZ 85032
PHOENIX, AZ 85032
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1245545649, enumerated as an "individual" on August 10, 2010.
The provider is located at 4025 E THUNDERBIRD RD PHOENIX, AZ 85032 and the phone number is (602) 953-3540.
Pharmacy with taxonomy code 3336C0002X and a focus in Clinic Pharmacy.
