GIANNA SEELAND DAUGHERTY MD
NPI 1942762018
Obstetrics & Gynecology in Great Neck, NY

NPI Status: Active since April 05, 2019

Contact Information

865 NORTHERN BLVD STE 202
GREAT NECK, NY
ZIP 11021
Phone: (516) 622-5114

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  • Individual
  • Female
  • Obstetrics & Gynecology

About GIANNA DAUGHERTY

This page provides the complete NPI Profile along with additional information for Gianna Daugherty, a women's health care provider established in Great Neck, New York with a medical specialization in Obstetrics & Gynecology. The healthcare provider is registered in the NPI registry with number 1942762018 assigned on April 2019. The practitioner's primary taxonomy code is 207V00000X with license number 323022 (NY). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1942762018
Provider Name
GIANNA SEELAND DAUGHERTY MD
Other Name
GIANNA REGINA SEELAND MD
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
865 NORTHERN BLVD STE 202 GREAT NECK, NY 11021
Location Phone
(516) 622-5114
Mailing Address
865 NORTHERN BLVD STE 202 GREAT NECK, NY 11021
Mailing Phone
(516) 622-5114
Is Sole Proprietor?
No
Enumeration Date
04-05-2019
Last Update Date
04-06-2026
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Women's health care providers like Gianna Daugherty 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.
323022
License State
NY
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 1942762018, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 4 + 6 + 4 + 0 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1942762018.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
865 NORTHERN BLVD STE 202
GREAT NECK, NY 11021
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
865 NORTHERN BLVD STE 202
GREAT NECK, NY 11021
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
865 NORTHERN BLVD STE 202
GREAT NECK, NY 11021

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942762018, enumerated as an "individual" on April 05, 2019.

The provider is located at 865 NORTHERN BLVD STE 202 GREAT NECK, NY 11021 and the phone number is (516) 622-5114.

Obstetrics & Gynecology with taxonomy code 207V00000X.