DR. ALEXANDER CHARLES GELLMAN M.D.
NPI 1295798775
Urology in Denville, NJ

NPI Status: Active since April 07, 2006

Contact Information

16 POCONO RD
SUITE 114
DENVILLE, NJ
ZIP 07834
Phone: (973) 586-3056
Fax: (973) 625-0116

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  • Individual
  • Male
  • Urology

About ALEXANDER GELLMAN

This page provides the complete NPI Profile along with additional information for Alexander Gellman, a provider established in Denville, New Jersey with a medical specialization in Urology. The healthcare provider is registered in the NPI registry with number 1295798775 assigned on April 2006. The practitioner's primary taxonomy code is 208800000X with license number 25MA02409000 (NJ). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1295798775
Provider Name
DR. ALEXANDER CHARLES GELLMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
16 POCONO RD SUITE 114 DENVILLE, NJ 07834
Location Phone
(973) 586-3056
Location Fax
(973) 625-0116
Mailing Address
16 POCONO RD SUITE 114 DENVILLE, NJ 07834
Mailing Phone
(973) 586-3056
Mailing Fax
(973) 625-0116
Is Sole Proprietor?
Yes
Enumeration Date
04-07-2006
Last Update Date
06-22-2012
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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.
25MA02409000
License State
NJ
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 1295798775, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 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 9 → 18 → 9 7 → 14 → 5 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 4 + 9 + 1 + 6 + 7 + 1 + 4 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1295798775.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Specialist
16 POCONO RD, SUITE 110
DENVILLE, NJ 07834
Urology
16 POCONO RD, SUITE 205
DENVILLE, NJ 07834
Specialist
16 POCONO RD, STE 201
DENVILLE, NJ 07834
Ophthalmology
16 POCONO RD, SUITE 301
DENVILLE, NJ 07834
Internal Medicine (Pulmonary Disease)
16 POCONO RD
DENVILLE, NJ 07834
Plastic Surgery
16 POCONO RD, SUITE 103
DENVILLE, NJ 07834
Obstetrics & Gynecology (Gynecology)
16 POCONO RD, STE 107
DENVILLE, NJ 07834
Urology
16 POCONO RD, SUITE 302
DENVILLE, NJ 07834
Obstetrics & Gynecology
16 POCONO RD, SUITE 105
DENVILLE, NJ 07834
Family Medicine
16 POCONO RD, SUITE 110
DENVILLE, NJ 07834
Orthopaedic Surgery
16 POCONO RD, SUITE 217
DENVILLE, NJ 07834
Internal Medicine
16 POCONO RD, SUITE 313
DENVILLE, NJ 07834
Internal Medicine
16 POCONO RD, SUITE 313
DENVILLE, NJ 07834
Neuromusculoskeletal Medicine, Sports Medicine
16 POCONO RD, SUITE 100
DENVILLE, NJ 07834
Oral & Maxillofacial Surgery
16 POCONO RD, SUITE 117
DENVILLE, NJ 07834
Internal Medicine
16 POCONO RD, STE 305
DENVILLE, NJ 07834
Internal Medicine
16 POCONO RD, STE 305
DENVILLE, NJ 07834
Obstetrics & Gynecology
16 POCONO RD
DENVILLE, NJ 07834
Obstetrics & Gynecology
16 POCONO RD
DENVILLE, NJ 07834
Obstetrics & Gynecology (Gynecology)
16 POCONO RD, SUITE 103
DENVILLE, NJ 07834

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295798775, enumerated as an "individual" on April 07, 2006.

The provider is located at 16 POCONO RD SUITE 114 DENVILLE, NJ 07834 and the phone number is (973) 586-3056.

Urology with taxonomy code 208800000X.