DR. STEVEN L GERSEN PHD
NPI 1942539325
Medical Genetics, Ph.D. Medical Genetics in Shelton, CT

NPI Status: Active since December 15, 2009

Contact Information

1 GREENWICH PL
SHELTON, CT
ZIP 06484
Phone: (866) 393-7434
Fax: (203) 447-8672

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  • Individual
  • Male
  • Medical Genetics, Ph.D. Medical Genetics

About STEVEN GERSEN

This page provides the complete NPI Profile along with additional information for Steven Gersen, a provider established in Shelton, Connecticut with a medical specialization in Medical Genetics, Ph.d. Medical Genetics. The healthcare provider is registered in the NPI registry with number 1942539325 assigned on December 2009. The practitioner's primary taxonomy code is 170100000X with license number D131902 (FL). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1942539325
Provider Name
DR. STEVEN L GERSEN PHD
Gender
Male
Entity Type
Individual
Location Address
1 GREENWICH PL SHELTON, CT 06484
Location Phone
(866) 393-7434
Location Fax
(203) 447-8672
Mailing Address
7111 FAIRWAY DR 400 PALM BEACH GARDENS, FL 33418
Mailing Phone
(561) 712-7300
Mailing Fax
(203) 447-8672
Is Sole Proprietor?
No
Enumeration Date
12-15-2009
Last Update Date
12-15-2009
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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

Medical Genetics, Ph.D. Medical Genetics

Taxonomy Code
170100000X
Type
Other Service Providers
License No.
D131902
License State
FL
Taxonomy Description
A medical geneticist works in association with a medical specialist, is affiliated with a clinical genetics program, and serves as a consultant to medical and dental specialists.

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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 1942539325, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
Check
5
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 5 → 10 → 1 9 → 18 → 9 2 → 4

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 + 0 + 3 + 1 + 8 + 3 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1942539325.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Pathology (Anatomic Pathology)
1 GREENWICH PL
SHELTON, CT 06484
Pathology (Anatomic Pathology)
1 GREENWICH PL
SHELTON, CT 06484
Medical Genetics, Ph.D. Medical Genetics
1 GREENWICH PL
SHELTON, CT 06484
Pathology (Anatomic Pathology & Clinical Pathology)
1 GREENWICH PL
SHELTON, CT 06484
Pathology (Anatomic Pathology & Clinical Pathology)
1 GREENWICH PL
SHELTON, CT 06484
Physical Therapist
1 GREENWICH PL
SHELTON, CT 06484
Pathology (Clinical Laboratory Director, Non-physician)
1 GREENWICH PL
SHELTON, CT 06484
Pathology (Hematology)
1 GREENWICH PL
SHELTON, CT 06484
Physical Therapist
1 GREENWICH PL, 889 BRIDGEPORT AVE
SHELTON, CT 06484
Clinical Medical Laboratory
1 GREENWICH PL
SHELTON, CT 06484
Behavior Analyst
1 GREENWICH PL
SHELTON, CT 06484
Community/Behavioral Health
1 GREENWICH PL
SHELTON, CT 06484
Counselor (Professional)
1 GREENWICH PL
SHELTON, CT 06484

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942539325, enumerated as an "individual" on December 15, 2009.

The provider is located at 1 GREENWICH PL SHELTON, CT 06484 and the phone number is (866) 393-7434.

Medical Genetics, Ph.D. Medical Genetics with taxonomy code 170100000X.