DANIEL S TRESLEY P C
NPI 1154650539
Technician/Technologist - Ophthalmic in Northbrook, IL
NPI Status: Active since December 15, 2009
Contact Information
500 SKOKIE BLVD STE 120
NORTHBROOK, IL
ZIP 60062
Phone: (847) 291-6900
Fax: (847) 291-6968
- Organization
- Technician/Technologist
- Ophthalmic
About DANIEL S TRESLEY P C
This page provides the complete NPI Profile along with additional information for Daniel S Tresley P C, a provider established in Northbrook, Illinois operating as a Technician/technologist, focusing in ophthalmic . The healthcare provider is registered in the NPI registry with number 1154650539 assigned on December 2009. The practitioner's primary taxonomy code is 156FX1100X with license number 036077219 (IL). The provider is registered as an organization and their NPI record was last updated 4 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 Daniel Scott Tresley Md (Owner)
- NPI
- 1154650539
- Provider Name
- DANIEL S TRESLEY P C
- Entity Type
- Organization
- Location Address
- 500 SKOKIE BLVD STE 120 NORTHBROOK, IL 60062
- Location Phone
- (847) 291-6900
- Location Fax
- (847) 291-6968
- Mailing Address
- 800 DRYDEN LN HIGHLAND PARK, IL 60035
- Mailing Phone
- (847) 291-6900
- Mailing Fax
- (847) 291-6968
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 12-15-2009
- Last Update Date
- 03-30-2022
- Code Navigator
Location Map
Secondary Locations
- 1800 Hollister Dr Ste 205
Libertyville, IL 60048
(847) 291-6900
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
Technician/Technologist Ophthalmic
- Taxonomy Code
- 156FX1100X
- Type
- Eye and Vision Services Providers
- License No.
- 036077219
- License State
- IL
- Taxonomy Description
- An ophthalmic technician/technologist assists ophthalmologists by performing ophthalmic clinical functions, including administering eye exams, administering eye medications, and instructing the patient in care and use of corrective lenses.
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 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 1154650539, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).
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 51 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1154650539, enumerated as an "organization" on December 15, 2009.
The provider is located at 500 SKOKIE BLVD STE 120 NORTHBROOK, IL 60062 and the phone number is (847) 291-6900.
Technician/Technologist with taxonomy code 156FX1100X and a focus in Ophthalmic.
