TARA MARIE HANRAHAN RN
NPI 1124998653
Registered Nurse - Addiction (Substance Use Disorder) in Waterville, ME
NPI Status: Active since November 10, 2025
Contact Information
40 AIRPORT RD
WATERVILLE, ME
ZIP 04901
Phone: (207) 872-7272
Fax: (207) 872-0639
- Individual
- Female
- Registered Nurse
- Addiction (Substance Use Disorder)
About TARA HANRAHAN
This page provides the complete NPI Profile along with additional information for Tara Hanrahan, a provider established in Waterville, Maine with a medical specialization in Registered Nurse, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1124998653 assigned on November 2025. The practitioner's primary taxonomy code is 163WA0400X with license number RN85604 (ME). The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.
- NPI
- 1124998653
- Provider Name
- TARA MARIE HANRAHAN RN
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 40 AIRPORT RD WATERVILLE, ME 04901
- Location Phone
- (207) 872-7272
- Location Fax
- (207) 872-0639
- Mailing Address
- 40 AIRPORT RD WATERVILLE, ME 04901
- Mailing Phone
- (207) 872-7272
- Mailing Fax
- (207) 872-0639
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-10-2025
- Last Update Date
- 11-10-2025
- Code Navigator
A registered nurse (RN) like Tara Hanrahan coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.
Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.
Addiction nurses - this registered nurse specializes in addiction medicine assisting patients in overcoming dependencies on alcohol, drugs, and other substances.
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
Registered Nurse Addiction (Substance Use Disorder)
- Taxonomy Code
- 163WA0400X
- Type
- Nursing Service Providers
- License No.
- RN85604
- License State
- ME
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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 1124998653, 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.
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 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
WATERVILLE, ME 04901
WATERVILLE, ME 04901
WATERVILLE, ME 04901
WATERVILLE, ME 04901
WATERVILLE, ME 04901
WATERVILLE, ME 04901
WATERVILLE, ME 04901
WATERVILLE, ME 04901
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124998653, enumerated as an "individual" on November 10, 2025.
The provider is located at 40 AIRPORT RD WATERVILLE, ME 04901 and the phone number is (207) 872-7272.
Registered Nurse with taxonomy code 163WA0400X and a focus in Addiction (Substance Use Disorder).
