DR. ALAN CAHN DAVIDSON M.D.
NPI 1487095451
Urology in Woodbridge, CT

NPI Status: Active since July 08, 2013

Contact Information

15 EDGEHILL DR
WOODBRIDGE, CT
ZIP 06525
Phone: (203) 389-6521
Fax: (203) 389-6521

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  • Individual
  • Male
  • Urology

About ALAN DAVIDSON

This page provides the complete NPI Profile along with additional information for Alan Davidson, a provider established in Woodbridge, Connecticut with a medical specialization in Urology. The healthcare provider is registered in the NPI registry with number 1487095451 assigned on July 2013. The practitioner's primary taxonomy code is 208800000X with license number 13863 (CT). The provider is registered as an individual and his NPI record was last updated 13 years ago.

NPI
1487095451
Provider Name
DR. ALAN CAHN DAVIDSON M.D.
Gender
Male
Entity Type
Individual
Location Address
15 EDGEHILL DR WOODBRIDGE, CT 06525
Location Phone
(203) 389-6521
Location Fax
(203) 389-6521
Mailing Address
15 EDGEHILL DR WOODBRIDGE, CT 06525
Mailing Phone
(203) 389-6521
Mailing Fax
(203) 389-6521
Is Sole Proprietor?
Yes
Enumeration Date
07-08-2013
Last Update Date
07-08-2013
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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

Urology

Taxonomy Code
208800000X
Type
Allopathic & Osteopathic Physicians
License No.
13863
License State
CT
Taxonomy Description
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

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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 1487095451, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
9
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
1
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 8 → 16 → 7 0 → 0 5 → 10 → 1 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 0 + 9 + 1 + 0 + 4 + 1 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1487095451.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487095451, enumerated as an "individual" on July 08, 2013.

The provider is located at 15 EDGEHILL DR WOODBRIDGE, CT 06525 and the phone number is (203) 389-6521.

Urology with taxonomy code 208800000X.