BARBARA LYNN TENDLER MD
NPI 1447770417
Obstetrics & Gynecology in Wilton, CT

NPI Status: Active since June 21, 2017

Contact Information

25 RIVER RD APT 5101
WILTON, CT
ZIP 06897
Phone: (203) 984-2263

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  • Individual
  • Female
  • Obstetrics & Gynecology

About BARBARA TENDLER

This page provides the complete NPI Profile along with additional information for Barbara Tendler, a women's health care provider established in Wilton, Connecticut with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1447770417 assigned on June 2017. The practitioner's primary taxonomy code is 207V00000X with license number 26283 (CT). The provider is registered as an individual and her NPI record was last updated 4 years ago.

NPI
1447770417
Provider Name
BARBARA LYNN TENDLER MD
Gender
Female
Entity Type
Individual
Location Address
25 RIVER RD APT 5101 WILTON, CT 06897
Location Phone
(203) 984-2263
Mailing Address
25 RIVER RD APT 5101 WILTON, CT 06897
Mailing Phone
(203) 984-2263
Is Sole Proprietor?
Yes
Enumeration Date
06-21-2017
Last Update Date
07-21-2022
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Women's health care providers like Barbara Tendler 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

Obstetrics & Gynecology

Taxonomy Code
207V00000X
Type
Allopathic & Osteopathic Physicians
License No.
26283
License State
CT
Taxonomy Description
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

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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 1447770417, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
4
Unchanged
Pos 3
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
1
Doubled → 2
Check
7
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 4 → 8 7 → 14 → 5 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 4 + 8 + 7 + 1 + 4 + 7 + 0 + 4 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1447770417.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447770417, enumerated as an "individual" on June 21, 2017.

The provider is located at 25 RIVER RD APT 5101 WILTON, CT 06897 and the phone number is (203) 984-2263.

Obstetrics & Gynecology with taxonomy code 207V00000X.