DR. CHARLES PRESTON ORSAY M.D.
NPI 1356461206
Surgery in Chicago, IL

NPI Status: Active since March 31, 2007

Contact Information

1901 W HARRISON ST
CHICAGO, IL
ZIP 60612
Phone: (312) 864-3197

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  • Individual
  • Male
  • Surgery

About CHARLES ORSAY

This page provides the complete NPI Profile along with additional information for Charles Orsay, a provider established in Chicago, Illinois with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1356461206 assigned on March 2007. The practitioner's primary taxonomy code is 208600000X with license number 03656171 (IL). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1356461206
Provider Name
DR. CHARLES PRESTON ORSAY M.D.
Gender
Male
Entity Type
Individual
Location Address
1901 W HARRISON ST CHICAGO, IL 60612
Location Phone
(312) 864-3197
Mailing Address
1609 35TH ST DOWNERS GROVE, IL 60515
Mailing Phone
(630) 964-6080
Is Sole Proprietor?
No
Enumeration Date
03-31-2007
Last Update Date
07-08-2007
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A surgeon like Charles Orsay treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
03656171
License State
IL
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

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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 1356461206, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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
3
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
6
Unchanged
Pos 5
4
Doubled → 8
Pos 6
6
Unchanged
Pos 7
1
Doubled → 2
Pos 8
2
Unchanged
Pos 9
0
Doubled → 0
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 4 → 8 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 0 + 6 + 8 + 6 + 2 + 2 + 0 + 24 = 54

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

The next multiple of ten after 54 is 60. The difference is the calculated check digit.

60 - 54 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1356461206.

Other Providers at the Same Location


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

Pharmacist (Pharmacotherapy)
1901 W HARRISON ST, LL 170
CHICAGO, IL 60612
Surgery (Surgical Critical Care)
1901 W HARRISON ST, DIVISION OF SURGICAL CRITICAL CARE
CHICAGO, IL 60612
Clinical Nurse Specialist (Adult Health)
1901 W HARRISON ST
CHICAGO, IL 60612
Radiology (Diagnostic Radiology)
1901 W HARRISON ST
CHICAGO, IL 60612
Specialist
1901 W HARRISON ST
CHICAGO, IL 60612
Radiology (Diagnostic Radiology)
1901 W HARRISON ST, ROOM 2533
CHICAGO, IL 60612
Nurse Practitioner (Adult Health)
1901 W HARRISON ST, 2ND FLOOR, GENERAL MEDICINE CLINIC
CHICAGO, IL 60612
Radiology (Diagnostic Radiology)
1901 W HARRISON ST, JOHN H. STROGER, JR. HOSPITAL OF COOK COUNTY
CHICAGO, IL 60612
Radiology (Therapeutic Radiology)
1901 W HARRISON ST, STROGER HOSPITAL OF COOK COUNTY
CHICAGO, IL 60612
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1901 W HARRISON ST
CHICAGO, IL 60612
Nurse Practitioner (Adult Health)
1901 W HARRISON ST, SUITE NO 215, 637 S WOOD ST
CHICAGO, IL 60612
Internal Medicine
1901 W HARRISON ST, JOHN H. STROGER, JR. HOSPITAL OF COOK COUNTY
CHICAGO, IL 60612
Internal Medicine
1901 W HARRISON ST, JOHN H. STROGER JR HOSPITAL OF COOK COUNTY
CHICAGO, IL 60612
Pediatrics (Pediatric Emergency Medicine)
1901 W HARRISON ST, JOHN H. STROGER JR. HOSPITAL, DEPARTMENT OF PEDIATRICS
CHICAGO, IL 60612
Internal Medicine (Geriatric Medicine)
1901 W HARRISON ST
CHICAGO, IL 60612
Nurse Practitioner (Adult Health)
1901 W HARRISON ST
CHICAGO, IL 60612
Pediatrics
1901 W HARRISON ST
CHICAGO, IL 60612
Internal Medicine
1901 W HARRISON ST, JOHN H. STROGER JR. HOSPITAL OF COOK COUNTY
CHICAGO, IL 60612
Radiology (Diagnostic Radiology)
1901 W HARRISON ST, RM 2533
CHICAGO, IL 60612
Podiatrist
1901 W HARRISON ST
CHICAGO, IL 60612

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1356461206, enumerated as an "individual" on March 31, 2007.

The provider is located at 1901 W HARRISON ST CHICAGO, IL 60612 and the phone number is (312) 864-3197.

Surgery with taxonomy code 208600000X.