MRS. DEBORAH D GRESHAM CNS, RNC
NPI 1669684320
Registered Nurse - Obstetric, High-Risk in Dayton, OH

NPI Status: Active since May 04, 2007

Contact Information

870 VINTAGE LAKE CT
DAYTON, OH
ZIP 45458
Phone: (937) 885-3401

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NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Female
  • Registered Nurse
  • Obstetric, High-Risk

About DEBORAH GRESHAM

This page provides the complete NPI Profile along with additional information for Deborah Gresham, a women's health care provider established in Dayton, Ohio with a medical specialization in Registered Nurse, focusing in obstetric, high-risk . The healthcare provider is registered in the NPI registry with number 1669684320 assigned on May 2007. The practitioner's primary taxonomy code is 163WX0002X with license number 136463 (OH). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1669684320
Provider Name
MRS. DEBORAH D GRESHAM CNS, RNC
Gender
Female
Entity Type
Individual
Location Address
870 VINTAGE LAKE CT DAYTON, OH 45458
Location Phone
(937) 885-3401
Mailing Address
870 VINTAGE LAKE CT DAYTON, OH 45458
Mailing Phone
(937) 885-3401
Is Sole Proprietor?
Yes
Enumeration Date
05-04-2007
Last Update Date
07-08-2007
Code Navigator

Women's health care providers like Deborah Gresham 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, High-Risk

Taxonomy Code
163WX0002X
Type
Nursing Service Providers
License No.
136463
License State
OH

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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 1669684320, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 6 → 12 → 3 6 → 12 → 3 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 + 6 + 1 + 2 + 9 + 1 + 2 + 8 + 8 + 3 + 4 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1669684320.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669684320, enumerated as an "individual" on May 04, 2007.

The provider is located at 870 VINTAGE LAKE CT DAYTON, OH 45458 and the phone number is (937) 885-3401.

Registered Nurse with taxonomy code 163WX0002X and a focus in Obstetric, High-Risk.