LESLIE SCHAFFER MD
NPI 1447234752
Neurological Surgery in Chicago, IL

NPI Status: Active since November 30, 2005

Contact Information

25 E WASHINGTON ST
SUITE 1329
CHICAGO, IL
ZIP 60602
Phone: (312) 704-0177
Fax: (312) 704-1938

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  • Individual
  • Male
  • Neurological Surgery

About LESLIE SCHAFFER

This page provides the complete NPI Profile along with additional information for Leslie Schaffer, a provider established in Chicago, Illinois with a medical specialization in Neurological Surgery. The healthcare provider is registered in the NPI registry with number 1447234752 assigned on November 2005. The practitioner's primary taxonomy code is 207T00000X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1447234752
Provider Name
LESLIE SCHAFFER MD
Gender
Male
Entity Type
Individual
Location Address
25 E WASHINGTON ST SUITE 1329 CHICAGO, IL 60602
Location Phone
(312) 704-0177
Location Fax
(312) 704-1938
Mailing Address
25 E WASHINGTON ST SUITE 1329 CHICAGO, IL 60602
Mailing Phone
(312) 704-0177
Mailing Fax
(312) 704-1938
Is Sole Proprietor?
Yes
Enumeration Date
11-30-2005
Last Update Date
11-06-2007
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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

Neurological Surgery

Taxonomy Code
207T00000X
Type
Allopathic & Osteopathic Physicians
License State
IL
Taxonomy Description
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

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.

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
0001617222OTHER (01)ILBC/BS
0859703OTHER (01)AETNA
D15670MEDICARE UPIN (02)IL 
736410MEDICARE 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 1447234752, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
2
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 2 → 4 4 → 8 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 + 8 + 7 + 4 + 3 + 8 + 7 + 1 + 0 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1447234752.

Other Providers at the Same Location


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

Dentist (Endodontics)
25 E WASHINGTON ST, SUITE 1921
CHICAGO, IL 60602
Ophthalmology
25 E WASHINGTON ST, SUITE 606
CHICAGO, IL 60602
Ophthalmology
25 E WASHINGTON ST, SUITE 606
CHICAGO, IL 60602
Ophthalmology
25 E WASHINGTON ST, SUITE 606
CHICAGO, IL 60602
Dentist (Oral and Maxillofacial Surgery)
25 E WASHINGTON ST, SUITE #1823
CHICAGO, IL 60602
Psychiatry & Neurology (Addiction Psychiatry)
25 E WASHINGTON ST, SUITE 1811
CHICAGO, IL 60602
Psychiatry & Neurology (Psychiatry)
25 E WASHINGTON ST, SUITE # 1726
CHICAGO, IL 60602
Physical Therapist (Orthopedic)
25 E WASHINGTON ST, 1310
CHICAGO, IL 60602
Physical Therapist (Orthopedic)
25 E WASHINGTON ST, SUITE 1310
CHICAGO, IL 60602
Dentist
25 E WASHINGTON ST, SUITE 1101
CHICAGO, IL 60602
Dentist (General Practice)
25 E WASHINGTON ST, SUITE 2041
CHICAGO, IL 60602
Dentist (General Practice)
25 E WASHINGTON ST, SUITE 2041
CHICAGO, IL 60602
Dentist (General Practice)
25 E WASHINGTON ST, SUITE 2041
CHICAGO, IL 60602
Dentist
25 E WASHINGTON ST, 1125
CHICAGO, IL 60602
Dentist (General Practice)
25 E WASHINGTON ST, SUITE 302
CHICAGO, IL 60602
Psychologist (Clinical)
25 E WASHINGTON ST, SUITE 1117
CHICAGO, IL 60602
Physical Therapist
25 E WASHINGTON ST, 1310
CHICAGO, IL 60602
Psychologist (Clinical)
25 E WASHINGTON ST, SUITE 1201
CHICAGO, IL 60602
Psychologist (Clinical)
25 E WASHINGTON ST, SUITE 1201
CHICAGO, IL 60602
Dentist (General Practice)
25 E WASHINGTON ST, SUITE 2027
CHICAGO, IL 60602

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447234752, enumerated as an "individual" on November 30, 2005.

The provider is located at 25 E WASHINGTON ST SUITE 1329 CHICAGO, IL 60602 and the phone number is (312) 704-0177.

Neurological Surgery with taxonomy code 207T00000X.

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