AMANDA FARMER RN
NPI 1871454223
Internal Medicine - Hepatology in Iowa City, IA

NPI Status: Active since November 24, 2025

Contact Information

601 HIGHWAY 6 W
IOWA CITY, IA
ZIP 52246
Phone: (319) 338-0581
Fax: (319) 688-3895

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  • Individual
  • Female
  • Internal Medicine
  • Hepatology

About AMANDA FARMER

This page provides the complete NPI Profile along with additional information for Amanda Farmer, an internist established in Iowa City, Iowa with a medical specialization in Internal Medicine, focusing in hepatology . The healthcare provider is registered in the NPI registry with number 1871454223 assigned on November 2025. The practitioner's primary taxonomy code is 207RI0008X with license number 156363 (IA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1871454223
Provider Name
AMANDA FARMER RN
Gender
Female
Entity Type
Individual
Location Address
601 HIGHWAY 6 W IOWA CITY, IA 52246
Location Phone
(319) 338-0581
Location Fax
(319) 688-3895
Mailing Address
601 HIGHWAY 6 W IOWA CITY, IA 52246
Mailing Phone
(319) 338-0581
Mailing Fax
(319) 688-3895
Is Sole Proprietor?
No
Enumeration Date
11-24-2025
Last Update Date
11-24-2025
Code Navigator

An internist like Amanda Farmer is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Hepatology

Taxonomy Code
207RI0008X
Type
Allopathic & Osteopathic Physicians
License No.
156363
License State
IA
Taxonomy Description
The discipline of Hepatology encompasses the structure, function, and diseases of the liver and biliary tract. The American Board of Internal Medicine considers Hepatology part of the subspecialty of gastroenterology. Physicians who identify themselves as Hepatologists usually, but not always, have been trained in gastrointestinal programs.

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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 1871454223, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 8 + 5 + 8 + 2 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1871454223.

Other Providers at the Same Location


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

Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, PHARMACY SERVICE (119), VAMC
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, PHARMACY (119)
IOWA CITY, IA 52246
Dentist (Prosthodontics)
601 HIGHWAY 6 W, DENTAL SERVICE (160), VAMC
IOWA CITY, IA 52246
Dentist (Prosthodontics)
601 HIGHWAY 6 W, DEPT VET AFFAIRS MED CENTER
IOWA CITY, IA 52246
Social Worker (Clinical)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Physician Assistant
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Physician Assistant
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, VA MEDICAL CENTER - PRIMARY CARE 111H
IOWA CITY, IA 52246
Pharmacist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Nurse Practitioner (Psychiatric/Mental Health)
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Dietitian, Registered
601 HIGHWAY 6 W, VA MEDICAL CENTER, IOWA CITY
IOWA CITY, IA 52246
Marriage & Family Therapist
601 HIGHWAY 6 W, VAMC
IOWA CITY, IA 52246
Pharmacist (Psychiatric)
601 HIGHWAY 6 W, IOWA CITY VA MEDICAL CENTER
IOWA CITY, IA 52246
Audiologist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Pharmacist (Pharmacotherapy)
601 HIGHWAY 6 W, VA MEDICAL CENTER
IOWA CITY, IA 52246
Dietitian, Registered
601 HIGHWAY 6 W, VAMC
IOWA CITY, IA 52246
Audiologist
601 HIGHWAY 6 W, AUDIOLOGY 126
IOWA CITY, IA 52246
Clinical Nurse Specialist
601 HIGHWAY 6 W
IOWA CITY, IA 52246
Religious Nonmedical Nursing Personnel
601 HIGHWAY 6 W
IOWA CITY, IA 52246

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871454223, enumerated as an "individual" on November 24, 2025.

The provider is located at 601 HIGHWAY 6 W IOWA CITY, IA 52246 and the phone number is (319) 338-0581.

Internal Medicine with taxonomy code 207RI0008X and a focus in Hepatology.