DR. ALEXANDER DOOLAS M.D.
NPI 1487729257
Surgery in Chicago, IL

NPI Status: Active since November 21, 2006

Contact Information

1725 W HARRISON
SUITE 810
CHICAGO, IL
ZIP 60612
Phone: (312) 942-6500
Fax: (312) 563-2080

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  • Individual
  • Male
  • Surgery

About ALEXANDER DOOLAS

This page provides the complete NPI Profile along with additional information for Alexander Doolas, a provider established in Chicago, Illinois with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1487729257 assigned on November 2006. The practitioner's primary taxonomy code is 208600000X with license number 36039433 (IL). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1487729257
Provider Name
DR. ALEXANDER DOOLAS M.D.
Gender
Male
Entity Type
Individual
Location Address
1725 W HARRISON SUITE 810 CHICAGO, IL 60612
Location Phone
(312) 942-6500
Location Fax
(312) 563-2080
Mailing Address
1725 W HARRISON SUITE 810 CHICAGO, IL 60612
Mailing Phone
(312) 942-6500
Mailing Fax
(312) 563-2080
Is Sole Proprietor?
No
Enumeration Date
11-21-2006
Last Update Date
07-14-2010
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A surgeon like Alexander Doolas 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.
36039433
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.

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.

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
C41144MEDICARE 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 1487729257, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
7
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 8 → 16 → 7 7 → 14 → 5 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 4 + 2 + 1 + 8 + 2 + 1 + 0 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1487729257.

Other Providers at the Same Location


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

Internal Medicine
1725 W HARRISON, SUITE 318
CHICAGO, IL 60612
Internal Medicine
1725 W HARRISON, SUITE 318
CHICAGO, IL 60612
Registered Nurse
1725 W HARRISON, SUITE 408 WEST
CHICAGO, IL 60612
Licensed Practical Nurse
1725 W HARRISON, SUITE 408 WEST
CHICAGO, IL 60612
Internal Medicine (Cardiovascular Disease)
1725 W HARRISON, SUITE 1138
CHICAGO, IL 60612
Internal Medicine (Cardiovascular Disease)
1725 W HARRISON, SUITE 1138
CHICAGO, IL 60612
Internal Medicine (Cardiovascular Disease)
1725 W HARRISON, SUITE 1138
CHICAGO, IL 60612
Internal Medicine (Cardiovascular Disease)
1725 W HARRISON, SUITE 1159
CHICAGO, IL 60612
Surgery
1725 W HARRISON, SUITE 810
CHICAGO, IL 60612
Surgery
1725 W HARRISON, SUITE 810
CHICAGO, IL 60612
Surgery
1725 W HARRISON, SUITE 837
CHICAGO, IL 60612
Surgery
1725 W HARRISON, SUITE 810
CHICAGO, IL 60612
Surgery
1725 W HARRISON, SUITE 810
CHICAGO, IL 60612
Surgery
1725 W HARRISON, SUITE 810
CHICAGO, IL 60612
Colon & Rectal Surgery
1725 W HARRISON, SUITE 810
CHICAGO, IL 60612
Internal Medicine
1725 W HARRISON, SUITE 318
CHICAGO, IL 60612
Urology
1725 W HARRISON, STE 352
CHICAGO, IL 60612
Urology
1725 W HARRISON, SUITE 352
CHICAGO, IL 60612
Dietitian, Registered
1725 W HARRISON, SUITE 207
CHICAGO, IL 60612
Psychiatry & Neurology (Neurology)
1725 W HARRISON, #755 NEUROSCIENCE INSTITUTE SECT OF MOVEMENT DISORDERS
CHICAGO, IL 60612

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487729257, enumerated as an "individual" on November 21, 2006.

The provider is located at 1725 W HARRISON SUITE 810 CHICAGO, IL 60612 and the phone number is (312) 942-6500.

Surgery with taxonomy code 208600000X.

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