STEVEN M KAHN M.D.
NPI 1720013725
Dermatology - Procedural Dermatology in Quincy, MA

NPI Status: Active since July 11, 2006

Contact Information

500 CONGRESS ST
QUINCY, MA
ZIP 02169
Phone: (617) 773-7431

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  • Individual
  • Male
  • Dermatology
  • Procedural Dermatology

About STEVEN KAHN

This page provides the complete NPI Profile along with additional information for Steven Kahn, a provider established in Quincy, Massachusetts with a medical specialization in Dermatology, focusing in procedural dermatology . The healthcare provider is registered in the NPI registry with number 1720013725 assigned on July 2006. The practitioner's primary taxonomy code is 207NS0135X with license number 44494 (MA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1720013725
Provider Name
STEVEN M KAHN M.D.
Gender
Male
Entity Type
Individual
Location Address
500 CONGRESS ST QUINCY, MA 02169
Location Phone
(617) 773-7431
Mailing Address
500 CONGRESS ST QUINCY, MA 02169
Mailing Phone
(617) 773-7431
Is Sole Proprietor?
No
Enumeration Date
07-11-2006
Last Update Date
07-08-2007
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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

Dermatology Procedural Dermatology

Taxonomy Code
207NS0135X
Type
Allopathic & Osteopathic Physicians
License No.
44494
License State
MA
Taxonomy Description
Procedural Dermatology, a subspecialty of Dermatology, encompassing a wide variety of surgical procedures and methods to remove or modify skin tissue for health or cosmetic benefit. These methods include scalpel surgery, laser surgery, chemical surgery, cryosurgery (liquid nitrogen), electrosurgery, aspiration surgery, liposuction, injection of filler substances, and Mohs micrographic controlled surgery (a special technique for the removal of growths, especially skin cancers).

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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 1720013725, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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
7
Unchanged
Pos 3
2
Doubled → 4
Pos 4
0
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
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 2 → 4 0 → 0 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 0 + 1 + 6 + 7 + 4 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1720013725.

Other Providers at the Same Location


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

Nurse Practitioner (Adult Health)
500 CONGRESS ST
QUINCY, MA 02169
Nurse Practitioner (Adult Health)
500 CONGRESS ST, SUITE 3C
QUINCY, MA 02169
Nurse Practitioner (Adult Health)
500 CONGRESS ST
QUINCY, MA 02169
Nurse Practitioner (Adult Health)
500 CONGRESS ST
QUINCY, MA 02169
Internal Medicine (Cardiovascular Disease)
500 CONGRESS ST
QUINCY, MA 02169
Internal Medicine
500 CONGRESS ST, SUITE 3C
QUINCY, MA 02169
Internal Medicine
500 CONGRESS ST, 3RD FLOOR
QUINCY, MA 02169
Family Medicine (Adult Medicine)
500 CONGRESS ST
QUINCY, MA 02169
Internal Medicine (Geriatric Medicine)
500 CONGRESS ST, 3RD FLOOR
QUINCY, MA 02169
Internal Medicine (Pulmonary Disease)
500 CONGRESS ST, 3RD FLOOR
QUINCY, MA 02169
Nurse Practitioner (Adult Health)
500 CONGRESS ST
QUINCY, MA 02169
Internal Medicine (Rheumatology)
500 CONGRESS ST, 3RD FLOOR
QUINCY, MA 02169
Internal Medicine (Cardiovascular Disease)
500 CONGRESS ST, 3RD FLOOR
QUINCY, MA 02169
Otolaryngology
500 CONGRESS ST, SUITE 2B
QUINCY, MA 02169
Otolaryngology
500 CONGRESS ST, SUITE 2B
QUINCY, MA 02169
Internal Medicine (Cardiovascular Disease)
500 CONGRESS ST, SUITE 3A
QUINCY, MA 02169
Internal Medicine (Gastroenterology)
500 CONGRESS ST, 3RD FLOOR
QUINCY, MA 02169
Internal Medicine (Endocrinology, Diabetes & Metabolism)
500 CONGRESS ST, 3RD FLOOR
QUINCY, MA 02169
Podiatrist
500 CONGRESS ST
QUINCY, MA 02169
Internal Medicine (Gastroenterology)
500 CONGRESS ST, 3RD FLOOR
QUINCY, MA 02169

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720013725, enumerated as an "individual" on July 11, 2006.

The provider is located at 500 CONGRESS ST QUINCY, MA 02169 and the phone number is (617) 773-7431.

Dermatology with taxonomy code 207NS0135X and a focus in Procedural Dermatology.