JOHN CHERF MD SC
NPI 1043475783
Orthopaedic Surgery in Chicago, IL

NPI Status: Active since July 22, 2008

Contact Information

4646 N MARINE DR
SUITE 3A
CHICAGO, IL
ZIP 60640
Phone: (800) 843-0355

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  • Organization
  • Orthopaedic Surgery

About JOHN CHERF MD SC

This page provides the complete NPI Profile along with additional information for John Cherf Md Sc, a provider established in Chicago, Illinois operating as a Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1043475783 assigned on July 2008. The practitioner's primary taxonomy code is 207X00000X. 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 Lisa Ryan (Manager)

NPI
1043475783
Provider Name
JOHN CHERF MD SC
Entity Type
Organization
Location Address
4646 N MARINE DR SUITE 3A CHICAGO, IL 60640
Location Phone
(800) 843-0355
Mailing Address
2525 N GREENVIEW AVE CHICAGO, IL 60614
Mailing Phone
(800) 843-0355
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-22-2008
Last Update Date
02-05-2010
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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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

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

LISA RYAN

Authorized Official Title
MANAGER
Authorized Official Phone
(815) 834-7244

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
208921MEDICARE PIN (08)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 1043475783, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 8 + 7 + 1 + 0 + 7 + 1 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1043475783.

Other Providers at the Same Location


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

Podiatrist (Foot & Ankle Surgery)
4646 N MARINE DR, STE C-6500
CHICAGO, IL 60640
Internal Medicine
4646 N MARINE DR, SUITE 6200C
CHICAGO, IL 60640
Emergency Medicine
4646 N MARINE DR
CHICAGO, IL 60640
Emergency Medicine
4646 N MARINE DR
CHICAGO, IL 60640
Internal Medicine (Infectious Disease)
4646 N MARINE DR
CHICAGO, IL 60640
Dietitian, Registered
4646 N MARINE DR
CHICAGO, IL 60640
Specialist
4646 N MARINE DR, SUITE 3A
CHICAGO, IL 60640
Radiology (Therapeutic Radiology)
4646 N MARINE DR, RADIATION ONCOLOGY DEPARTMENT
CHICAGO, IL 60640
Anesthesiology
4646 N MARINE DR
CHICAGO, IL 60640
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
4646 N MARINE DR
CHICAGO, IL 60640
Dietitian, Registered
4646 N MARINE DR
CHICAGO, IL 60640
Dermatology
4646 N MARINE DR, B 125
CHICAGO, IL 60640
Obstetrics & Gynecology
4646 N MARINE DR, SUITE B-5000 GYNECOLOGY
CHICAGO, IL 60640
Anesthesiology
4646 N MARINE DR
CHICAGO, IL 60640
Internal Medicine
4646 N MARINE DR, 4BLUM
CHICAGO, IL 60640
Dietitian, Registered
4646 N MARINE DR
CHICAGO, IL 60640
Nurse Anesthetist, Certified Registered
4646 N MARINE DR
CHICAGO, IL 60640
Internal Medicine
4646 N MARINE DR, B 125
CHICAGO, IL 60640
Physician Assistant
4646 N MARINE DR
CHICAGO, IL 60640
Radiology (Diagnostic Radiology)
4646 N MARINE DR
CHICAGO, IL 60640

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1043475783, enumerated as an "organization" on July 22, 2008.

The provider is located at 4646 N MARINE DR SUITE 3A CHICAGO, IL 60640 and the phone number is (800) 843-0355.

Orthopaedic Surgery with taxonomy code 207X00000X.

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