COLLEEN DUNHAM FNP
NPI 1720532351
Nurse Practitioner in Alton, IL
NPI Status: Active since August 11, 2016
Contact Information
1 MEMORIAL DR
ALTON, IL
ZIP 62002
Phone: (618) 463-7311
NPPES record last updated: October 31, 2020. Verified against the NPPES registry weekly; last sync: July 12, 2026.
Record update history: Oct 31, 2020, Aug 11, 2016 (2 updates tracked since 2016).
- Individual
- Female
- Nurse Practitioner
About COLLEEN DUNHAM
This page provides the complete NPI Profile along with additional information for Colleen Dunham, a provider established in Alton, Illinois with a medical specialization in Nurse Practitioner. The healthcare provider is registered in the NPI registry with number 1720532351 assigned on August 2016. The practitioner's primary taxonomy code is 363L00000X with license number 209014678 (IL). The provider is registered as an individual and her NPI record was last updated 6 years ago.
- NPI
- 1720532351
- Provider Name
- COLLEEN DUNHAM FNP
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1 MEMORIAL DR ALTON, IL 62002
- Location Phone
- (618) 463-7311
- Mailing Address
- 1431 CENTERPOINT BLVD SUITE 100 KNOXVILLE, TN 37932
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-11-2016
- Last Update Date
- 10-31-2020
- Code Navigator
A nurse practitioner (NP) like Colleen Dunham is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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
Nurse Practitioner
- Taxonomy Code
- 363L00000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 209014678
- License State
- IL
- Taxonomy Description
- (1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
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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 1720532351, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).
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 49 is 50. 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.
ALTON, IL 62002
ALTON, IL 62002
ALTON, IL 62002
ALTON, IL 62002
ALTON, IL 62002
ALTON, IL 62002
ALTON, IL 62002
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1720532351, enumerated as an "individual" on August 11, 2016.
The provider is located at 1 MEMORIAL DR ALTON, IL 62002 and the phone number is (618) 463-7311.
Nurse Practitioner with taxonomy code 363L00000X.
