DR. PATTY A CALLAHAN PHARMD
NPI 1811329584
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Birmingham, AL

NPI Status: Active since August 05, 2013

Contact Information

1802 6TH AVE S
BIRMINGHAM, AL
ZIP 35233
Phone: (205) 934-3411

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  • Individual
  • Female
  • Pharmacist
  • Pharmacist Clinician (PhC)/ Clinical Pha...

About PATTY CALLAHAN

This page provides the complete NPI Profile along with additional information for Patty Callahan, a provider established in Birmingham, Alabama with a medical specialization in Pharmacist, focusing in pharmacist clinician (phc)/ clinical pharmacy specialist . The healthcare provider is registered in the NPI registry with number 1811329584 assigned on August 2013. The practitioner's primary taxonomy code is 1835P0018X with license number 17505 (AL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1811329584
Provider Name
DR. PATTY A CALLAHAN PHARMD
Gender
Female
Entity Type
Individual
Location Address
1802 6TH AVE S BIRMINGHAM, AL 35233
Location Phone
(205) 934-3411
Mailing Address
1802 6TH AVE S BIRMINGHAM, AL 35233
Mailing Phone
(205) 934-3411
Is Sole Proprietor?
No
Enumeration Date
08-05-2013
Last Update Date
03-02-2025
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A pharmacist like Patty Callahan 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 Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

Taxonomy Code
1835P0018X
Type
Pharmacy Service Providers
License No.
17505
License State
AL
Taxonomy Description
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.

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)
1183500000XPharmacy Service Providers

Pharmacist

17505 (AL)

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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 1811329584, 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.

Pos 1
1
Doubled → 2
Pos 2
8
Unchanged
Pos 3
1
Doubled → 2
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 1 → 2 3 → 6 9 → 18 → 9 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 8 + 2 + 1 + 6 + 2 + 1 + 8 + 5 + 1 + 6 + 24 = 66

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.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1811329584.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Hematology & Oncology)
1802 6TH AVE S, NP 2556
BIRMINGHAM, AL 35233
General Acute Care Hospital
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Practitioner (Adult Health)
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Practitioner (Acute Care)
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Practitioner (Family)
1802 6TH AVE S
BIRMINGHAM, AL 35233
General Acute Care Hospital
1802 6TH AVE S
BIRMINGHAM, AL 35233
Physician Assistant (Medical)
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Practitioner (Acute Care)
1802 6TH AVE S, 9TH FLOOR NORTH PAVILION- TBICU
BIRMINGHAM, AL 35233
Student in an Organized Health Care Education/Training Program
1802 6TH AVE S
BIRMINGHAM, AL 35233
Otolaryngology
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Practitioner (Family)
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Practitioner (Acute Care)
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Anesthetist, Certified Registered
1802 6TH AVE S
BIRMINGHAM, AL 35233
Physician Assistant
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Practitioner (Family)
1802 6TH AVE S
BIRMINGHAM, AL 35233
Nurse Practitioner (Acute Care)
1802 6TH AVE S
BIRMINGHAM, AL 35233
Physical Therapist
1802 6TH AVE S
BIRMINGHAM, AL 35233
Registered Nurse
1802 6TH AVE S
BIRMINGHAM, AL 35233
Registered Nurse (Critical Care Medicine)
1802 6TH AVE S
BIRMINGHAM, AL 35233
Registered Nurse
1802 6TH AVE S
BIRMINGHAM, AL 35233

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811329584, enumerated as an "individual" on August 05, 2013.

The provider is located at 1802 6TH AVE S BIRMINGHAM, AL 35233 and the phone number is (205) 934-3411.

Pharmacist with taxonomy code 1835P0018X and a focus in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist.