MARY SINEAD WERNER
NPI 1659291136
Registered Nurse - Obstetric, Inpatient in Chesterton, IN
- Individual
- Female
- Registered Nurse
- Obstetric, Inpatient
About MARY WERNER
This page provides the complete NPI Profile along with additional information for Mary Werner, a women's health care provider established in Chesterton, Indiana with a medical specialization in Registered Nurse, focusing in obstetric, inpatient . The healthcare provider is registered in the NPI registry with number 1659291136 assigned on July 2026. The practitioner's primary taxonomy code is 163WX0003X with license number 28260598A (IN). The provider is registered as an individual and her NPI record was last updated July 2026.
- NPI
- 1659291136
- Provider Name
- MARY SINEAD WERNER
- Other Name Type
- Professional Name (2)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 200 WREN CT CHESTERTON, IN 46304
- Location Phone
- (219) 763-8112
- Mailing Address
- 200 WREN CT CHESTERTON, IN 46304
- Mailing Phone
- (219) 763-8112
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-16-2026
- Last Update Date
- 07-16-2026
- Code Navigator
Women's health care providers like Mary Werner treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, 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
Registered Nurse Obstetric, Inpatient
- Taxonomy Code
- 163WX0003X
- Type
- Nursing Service Providers
- License No.
- 28260598A
- License State
- IN
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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 1659291136, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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 64 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1659291136, enumerated as an "individual" on July 16, 2026.
The provider is located at 200 WREN CT CHESTERTON, IN 46304 and the phone number is (219) 763-8112.
Registered Nurse with taxonomy code 163WX0003X and a focus in Obstetric, Inpatient.
