DR. JEFF COSSMAN M.D.
NPI 1649541517
Pathology - Anatomic Pathology in Potomac, MD

NPI Status: Active since January 24, 2012

Contact Information

11603 GLYNSHIRE CT
POTOMAC, MD
ZIP 20854
Phone: (301) 424-7344
Fax: (301) 340-8628

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  • Individual
  • Male
  • Pathology
  • Anatomic Pathology

About JEFF COSSMAN

This page provides the complete NPI Profile along with additional information for Jeff Cossman, a provider established in Potomac, Maryland with a medical specialization in Pathology, focusing in anatomic pathology . The healthcare provider is registered in the NPI registry with number 1649541517 assigned on January 2012. The practitioner's primary taxonomy code is 207ZP0101X with license number CDSM27386 (MD). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1649541517
Provider Name
DR. JEFF COSSMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
11603 GLYNSHIRE CT POTOMAC, MD 20854
Location Phone
(301) 424-7344
Location Fax
(301) 340-8628
Mailing Address
11603 GLYNSHIRE CT POTOMAC, MD 20854
Mailing Phone
(301) 424-7344
Mailing Fax
(301) 340-8628
Is Sole Proprietor?
Yes
Enumeration Date
01-24-2012
Last Update Date
01-24-2012
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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

Pathology Anatomic Pathology

Taxonomy Code
207ZP0101X
Type
Allopathic & Osteopathic Physicians
License No.
CDSM27386
License State
MD
Taxonomy Description
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

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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 1649541517, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 1 + 0 + 4 + 2 + 5 + 2 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1649541517.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Registered Nurse (Diabetes Educator)
11603 GLYNSHIRE CT
POTOMAC, MD 20854

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649541517, enumerated as an "individual" on January 24, 2012.

The provider is located at 11603 GLYNSHIRE CT POTOMAC, MD 20854 and the phone number is (301) 424-7344.

Pathology with taxonomy code 207ZP0101X and a focus in Anatomic Pathology.