RONALD L FREEMAN, M.D., S.C.
NPI 1558533539
Ophthalmology in Libertyville, IL

NPI Status: Active since March 30, 2008

Contact Information

755 S MILWAUKEE AVE
SUITE 150
LIBERTYVILLE, IL
ZIP 60048
Phone: (847) 367-7080
Fax: (847) 367-7095

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  • Organization
  • Ophthalmology

About RONALD L FREEMAN, M.D., S.C.

This page provides the complete NPI Profile along with additional information for Ronald L Freeman, M.d., S.c., a provider established in Libertyville, Illinois operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1558533539 assigned on March 2008. The practitioner's primary taxonomy code is 207W00000X. The provider is registered as an organization and their NPI record was last updated 18 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. Ronald Lee Freeman M.d (President)

NPI
1558533539
Provider Name
RONALD L FREEMAN, M.D., S.C.
Entity Type
Organization
Location Address
755 S MILWAUKEE AVE SUITE 150 LIBERTYVILLE, IL 60048
Location Phone
(847) 367-7080
Location Fax
(847) 367-7095
Mailing Address
755 S MILWAUKEE AVE SUITE 150 LIBERTYVILLE, IL 60048
Mailing Phone
(847) 367-7080
Mailing Fax
(847) 367-7095
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-30-2008
Last Update Date
03-30-2008
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Ophthalmologists like Ronald L Freeman, M.d., S.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 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.

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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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. RONALD LEE FREEMAN M.D

Authorized Official Title
PRESIDENT
Authorized Official Phone
(847) 367-7080

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
D10179MEDICARE UPIN (02)IL 

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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 1558533539, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 0 + 8 + 1 + 0 + 3 + 6 + 5 + 6 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1558533539.

Other Providers at the Same Location


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

Specialist
755 S MILWAUKEE AVE, SUITE 224
LIBERTYVILLE, IL 60048
Internal Medicine (Endocrinology, Diabetes & Metabolism)
755 S MILWAUKEE AVE, SUITE 186
LIBERTYVILLE, IL 60048
Internal Medicine (Cardiovascular Disease)
755 S MILWAUKEE AVE, SUITE 263
LIBERTYVILLE, IL 60048
Family Medicine
755 S MILWAUKEE AVE, SUITE 240
LIBERTYVILLE, IL 60048
Family Medicine
755 S MILWAUKEE AVE, SUITE 240
LIBERTYVILLE, IL 60048
Otolaryngology
755 S MILWAUKEE AVE, #181
LIBERTYVILLE, IL 60048
Audiologist
755 S MILWAUKEE AVE, SUITE 189
LIBERTYVILLE, IL 60048
Internal Medicine
755 S MILWAUKEE AVE, SUITE 210
LIBERTYVILLE, IL 60048
Specialist
755 S MILWAUKEE AVE, SUITE 220
LIBERTYVILLE, IL 60048
Urology
755 S MILWAUKEE AVE, STE 263
LIBERTYVILLE, IL 60048
Clinic/Center
755 S MILWAUKEE AVE, SUITE 181
LIBERTYVILLE, IL 60048
Physical Therapist (Pediatrics)
755 S MILWAUKEE AVE, SUITE 283
LIBERTYVILLE, IL 60048
Hearing Instrument Specialist
755 S MILWAUKEE AVE, SUITE 189
LIBERTYVILLE, IL 60048
Internal Medicine (Addiction Medicine)
755 S MILWAUKEE AVE, SUITE 210
LIBERTYVILLE, IL 60048
Otolaryngology
755 S MILWAUKEE AVE, STE 181
LIBERTYVILLE, IL 60048
Family Medicine
755 S MILWAUKEE AVE, SUITE 164
LIBERTYVILLE, IL 60048
Dentist
755 S MILWAUKEE AVE, STE 240
LIBERTYVILLE, IL 60048
Internal Medicine (Nephrology)
755 S MILWAUKEE AVE, SUITE 262
LIBERTYVILLE, IL 60048
Family Medicine
755 S MILWAUKEE AVE, SUITE 261
LIBERTYVILLE, IL 60048
Audiologist
755 S MILWAUKEE AVE, SUITE 189
LIBERTYVILLE, IL 60048

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1558533539, enumerated as an "organization" on March 30, 2008.

The provider is located at 755 S MILWAUKEE AVE SUITE 150 LIBERTYVILLE, IL 60048 and the phone number is (847) 367-7080.

Ophthalmology with taxonomy code 207W00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.