JESSICA DIANE RYANS
NPI 1578407946
Registered Nurse - Lactation Consultant in Duncan, OK
NPI Status: Active since April 16, 2026
Contact Information
2621 N WHISENANT DR
DUNCAN, OK
ZIP 73533
Phone: (580) 251-6899
- Individual
- Female
- Registered Nurse
- Lactation Consultant
About JESSICA RYANS
This page provides the complete NPI Profile along with additional information for Jessica Ryans, a provider established in Duncan, Oklahoma with a medical specialization in Registered Nurse, focusing in lactation consultant . The healthcare provider is registered in the NPI registry with number 1578407946 assigned on April 2026. The practitioner's primary taxonomy code is 163WL0100X with license number R0103240 (OK). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1578407946
- Provider Name
- JESSICA DIANE RYANS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2621 N WHISENANT DR DUNCAN, OK 73533
- Location Phone
- (580) 251-6899
- Mailing Address
- 765 COUNTY ROAD 1470 NINNEKAH, OK 73067
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-16-2026
- Last Update Date
- 04-16-2026
- Code Navigator
A registered nurse (RN) like Jessica Ryans 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.
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 Lactation Consultant
- Taxonomy Code
- 163WL0100X
- Type
- Nursing Service Providers
- License No.
- R0103240
- License State
- OK
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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 1578407946, 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 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.
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 74 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 6 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1578407946, enumerated as an "individual" on April 16, 2026.
The provider is located at 2621 N WHISENANT DR DUNCAN, OK 73533 and the phone number is (580) 251-6899.
Registered Nurse with taxonomy code 163WL0100X and a focus in Lactation Consultant.
