MADISON GAHM
NPI 1699497586
Pharmacist in Portsmouth, OH

NPI Status: Active since September 16, 2022

Contact Information

1805 27TH ST
PORTSMOUTH, OH
ZIP 45662
Phone: (740) 356-8060

Get Directions Write a Review

  • Individual
  • Female
  • Pharmacist

About MADISON GAHM

This page provides the complete NPI Profile along with additional information for Madison Gahm, a provider established in Portsmouth, Ohio with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1699497586 assigned on September 2022. The practitioner's primary taxonomy code is 183500000X with license number 03442544 (OH). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1699497586
Provider Name
MADISON GAHM
Gender
Female
Entity Type
Individual
Location Address
1805 27TH ST PORTSMOUTH, OH 45662
Location Phone
(740) 356-8060
Mailing Address
10303 US HWY 23 PO BOX 210 LUCASVILLE, OH 45648
Is Sole Proprietor?
No
Enumeration Date
09-16-2022
Last Update Date
05-27-2026
Code Navigator

A pharmacist like Madison Gahm 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

Secondary Locations

  • 9101 Ohio River Rd
    Wheelersburg, OH 45694
    (740) 574-6569

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.
03442544
License State
OH
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.

Reviews for MADISON GAHM

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1699497586, 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 84. The final step is to find the difference between that total and the next multiple of ten (90 - 84 = 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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 9 → 18 → 9 4 → 8 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 8 + 9 + 1 + 4 + 5 + 1 + 6 + 24 = 84

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 84 is 90. The difference is the calculated check digit.

90 - 84 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1699497586.

Other Providers at the Same Location


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

Radiology (Diagnostic Radiology)
1805 27TH ST
PORTSMOUTH, OH 45662
Radiology (Diagnostic Radiology)
1805 27TH ST
PORTSMOUTH, OH 45662
Neuromusculoskeletal Medicine & OMM
1805 27TH ST
PORTSMOUTH, OH 45662
Nurse Practitioner (Family)
1805 27TH ST, SOUTHERN OHIO MEDICAL CENTER EMERGENCY DEPARTMENT
PORTSMOUTH, OH 45662
Anesthesiology
1805 27TH ST
PORTSMOUTH, OH 45662
Anesthesiology
1805 27TH ST
PORTSMOUTH, OH 45662
Anesthesiology
1805 27TH ST
PORTSMOUTH, OH 45662
Nurse Anesthetist, Certified Registered
1805 27TH ST
PORTSMOUTH, OH 45662
Anesthesiology
1805 27TH ST
PORTSMOUTH, OH 45662
Anesthesiology
1805 27TH ST
PORTSMOUTH, OH 45662
Emergency Medicine (Emergency Medical Services)
1805 27TH ST
PORTSMOUTH, OH 45662
Nurse Practitioner
1805 27TH ST
PORTSMOUTH, OH 45662
Nurse Practitioner
1805 27TH ST
PORTSMOUTH, OH 45662
Dietitian, Registered
1805 27TH ST
PORTSMOUTH, OH 45662
Dietitian, Registered
1805 27TH ST
PORTSMOUTH, OH 45662
Dietitian, Registered
1805 27TH ST
PORTSMOUTH, OH 45662
Dietitian, Registered
1805 27TH ST
PORTSMOUTH, OH 45662
Nurse Practitioner
1805 27TH ST
PORTSMOUTH, OH 45662
Psychiatric Unit
1805 27TH ST
PORTSMOUTH, OH 45662
Radiology (Diagnostic Radiology)
1805 27TH ST
PORTSMOUTH, OH 45662

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699497586, enumerated as an "individual" on September 16, 2022.

The provider is located at 1805 27TH ST PORTSMOUTH, OH 45662 and the phone number is (740) 356-8060.

Pharmacist with taxonomy code 183500000X.