ALFRED J. COSSARI, M.D., P.C.
NPI 1417250135
Ophthalmology in Port Jefferson, NY

NPI Status: Active since December 20, 2010

Contact Information

311 BARNUM AVE
PORT JEFFERSON, NY
ZIP 11777
Phone: (631) 928-6400
Fax: (631) 928-2353

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  • Organization
  • Ophthalmology

About ALFRED J. COSSARI, M.D., P.C.

This page provides the complete NPI Profile along with additional information for Alfred J. Cossari, M.d., P.c., a provider established in Port Jefferson, New York operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1417250135 assigned on December 2010. The practitioner's primary taxonomy code is 207W00000X with license number 119075 (NY). The provider is registered as an organization and their NPI record was last updated 16 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Alfred J Cossari Md (President)

NPI
1417250135
Provider Name
ALFRED J. COSSARI, M.D., P.C.
Entity Type
Organization
Location Address
311 BARNUM AVE PORT JEFFERSON, NY 11777
Location Phone
(631) 928-6400
Location Fax
(631) 928-2353
Mailing Address
31 BARNUM AVENUE PORT JEFFERSON, NY 11777
Mailing Phone
(631) 928-6400
Mailing Fax
(631) 928-2353
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-20-2010
Last Update Date
12-20-2010
Code Navigator

Ophthalmologists like Alfred J. Cossari, M.d., P.c. specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

Location Map

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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
119075
License State
NY
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. ALFRED J COSSARI MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(631) 928-6400

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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 1417250135, 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
4
Unchanged
Pos 3
1
Doubled → 2
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
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 1 → 2 2 → 4 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 2 + 7 + 4 + 5 + 0 + 1 + 6 + 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 1417250135.

Other Providers at the Same Location


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

Optometrist
311 BARNUM AVE
PORT JEFFERSON, NY 11777

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1417250135, enumerated as an "organization" on December 20, 2010.

The provider is located at 311 BARNUM AVE PORT JEFFERSON, NY 11777 and the phone number is (631) 928-6400.

Ophthalmology with taxonomy code 207W00000X.