LARA CHESLOW
NPI 1154120186
Ophthalmology in Chicago, IL

NPI Status: Active since March 11, 2025

Contact Information

251 E HURON ST
CHICAGO, IL
ZIP 60611
Phone: (312) 926-2000

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  • Individual
  • Ophthalmology

About LARA CHESLOW

This page provides the complete NPI Profile along with additional information for Lara Cheslow, a provider established in Chicago, Illinois operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1154120186 assigned on March 2025. The practitioner's primary taxonomy code is 207W00000X with license number 125087511 (IL). The provider is registered as an individual and their NPI record was last updated June 2026.

NPI
1154120186
Provider Name
LARA CHESLOW
Gender
Entity Type
Individual
Location Address
251 E HURON ST CHICAGO, IL 60611
Location Phone
(312) 926-2000
Mailing Address
251 E HURON ST CHICAGO, IL 60611
Mailing Phone
(312) 926-2000
Is Sole Proprietor?
Yes
Enumeration Date
03-11-2025
Last Update Date
06-14-2026
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Ophthalmologists like Lara Cheslow 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.

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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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
125087511
License State
IL
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.

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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 1154120186, we treat the final digit (6) 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 44. The final step is to find the difference between that total and the next multiple of ten (50 - 44 = 6).

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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
6
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 5 → 10 → 1 1 → 2 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 2 + 2 + 0 + 1 + 1 + 6 + 24 = 44

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

The next multiple of ten after 44 is 50. The difference is the calculated check digit.

50 - 44 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1154120186.

Other Providers at the Same Location


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

Radiology (Nuclear Radiology)
251 E HURON ST, NUCLEAR MEDICINE, GALTER 8-110
CHICAGO, IL 60611
Hospitalist
251 E HURON ST, SUITE 738
CHICAGO, IL 60611
Radiology (Radiation Oncology)
251 E HURON ST, GALTER PAVILLION
CHICAGO, IL 60611
Radiology (Radiation Oncology)
251 E HURON ST, GALTER PAVILLION
CHICAGO, IL 60611
Radiology (Radiation Oncology)
251 E HURON ST, GALTER PAVILLION
CHICAGO, IL 60611
Radiology (Radiation Oncology)
251 E HURON ST, GALTER PAVILLION
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
251 E HURON ST, FEINBERG 4-710
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, GALTER 5-704
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-520
CHICAGO, IL 60611
Radiology (Diagnostic Radiology)
251 E HURON ST, FEINBERG 4-741G
CHICAGO, IL 60611
Radiology (Vascular & Interventional Radiology)
251 E HURON ST, FEINBERG 4-741G
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-520
CHICAGO, IL 60611
Internal Medicine (Pulmonary Disease)
251 E HURON ST, GALTER-3-150
CHICAGO, IL 60611
Anesthesiology
251 E HURON ST, FEINBERG 5-704
CHICAGO, IL 60611
Nurse Anesthetist, Certified Registered
251 E HURON ST, FEINBERG5-704
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154120186, enumerated as an "individual" on March 11, 2025.

The provider is located at 251 E HURON ST CHICAGO, IL 60611 and the phone number is (312) 926-2000.

Ophthalmology with taxonomy code 207W00000X.