GRASSI RETINA MD SC
NPI 1598121113
Ophthalmology - Retina Specialist in Naperville, IL
NPI Status: Active since January 12, 2016
Contact Information
1012 95TH ST
SUITE 9
NAPERVILLE, IL
ZIP 60564
Phone: (630) 995-3465
- Organization
- Ophthalmology
- Retina Specialist
About GRASSI RETINA MD SC
This page provides the complete NPI Profile along with additional information for Grassi Retina Md Sc, a provider established in Naperville, Illinois operating as a Ophthalmology, focusing in retina specialist . The healthcare provider is registered in the NPI registry with number 1598121113 assigned on January 2016. The practitioner's primary taxonomy code is 207WX0107X with license number 036115845 (IL). The provider is registered as an organization and their NPI record was last updated 9 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. Michael A Grassi M.d. (Owner)
- NPI
- 1598121113
- Provider Name
- GRASSI RETINA MD SC
- Entity Type
- Organization
- Location Address
- 1012 95TH ST SUITE 9 NAPERVILLE, IL 60564
- Location Phone
- (630) 995-3465
- Mailing Address
- 1012 95TH ST SUITE 9 NAPERVILLE, IL 60564
- Mailing Phone
- (630) 995-3465
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 01-12-2016
- Last Update Date
- 07-11-2017
- Code Navigator
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 Retina Specialist
- Taxonomy Code
- 207WX0107X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 036115845
- License State
- IL
- Taxonomy Description
- An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.
Group Taxonomy 193400000X 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.
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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 1598121113, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
NAPERVILLE, IL 60564
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1598121113, enumerated as an "organization" on January 12, 2016.
The provider is located at 1012 95TH ST SUITE 9 NAPERVILLE, IL 60564 and the phone number is (630) 995-3465.
Ophthalmology with taxonomy code 207WX0107X and a focus in Retina Specialist.
