DR. ROBERTO JAVIER ALCAZAR FELIX MD
NPI 1942003199
Neurological Surgery in Chicago, IL

NPI Status: Active since March 31, 2025

Contact Information

5841 S MARYLAND AVE # MC3026
CHICAGO, IL
ZIP 60637
Phone: (773) 702-2123

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  • Individual
  • Male
  • Neurological Surgery

About ROBERTO ALCAZAR FELIX

This page provides the complete NPI Profile along with additional information for Roberto Alcazar Felix, a provider established in Chicago, Illinois with a medical specialization in Neurological Surgery. The healthcare provider is registered in the NPI registry with number 1942003199 assigned on March 2025. The practitioner's primary taxonomy code is 207T00000X with license number 125.085569 (IL). The provider is registered as an individual and his NPI record was last updated May 2025.

NPI
1942003199
Provider Name
DR. ROBERTO JAVIER ALCAZAR FELIX MD
Gender
Male
Entity Type
Individual
Location Address
5841 S MARYLAND AVE # MC3026 CHICAGO, IL 60637
Location Phone
(773) 702-2123
Mailing Address
180 HARVESTER DR STE 110 BURR RIDGE, IL 60527
Mailing Phone
(773) 702-1150
Is Sole Proprietor?
Yes
Enumeration Date
03-31-2025
Last Update Date
05-08-2025
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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 No.
125.085569
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.

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NPI Validation Check Digit Calculation


The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.

Start with the original NPI number, the last digit is the check digit and is not used in the calculation.
1942003199
Step 1: Double the value of the alternate digits, beginning with the rightmost digit.
2982006118
Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24.
2 + 9 + 8 + 2 + 0 + 0 + 6 + 1 + 1 + 8 + 24 = 61
Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit.
70 - 61 = 99

The NPI number 1942003199 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.

Other Providers at the Same Location


The following 11 providers are registered at the same or nearby location.

NPI Name / Type Taxonomy Address
1306844899DR. MARTIN D. HERMAN M.D., PH.D.
Individual
Neurological Surgery5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-1061
1497285894 HEATHER LYNNE SMITH MD/PHD
Individual
Pathology (Anatomic Pathology & Clinical Pathology)5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-8544
1598346983 AHMAD SWEID MD
Individual
Student in an Organized Health Care Education/Training Program5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-2123
1164002812 ZHE WANG
Individual
Student in an Organized Health Care Education/Training Program5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-2123
1326783515 ABHINAV K REDDY MD
Individual
Student in an Organized Health Care Education/Training Program5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-2123
1770103806 HUY TRAM NHAT NGUYEN
Individual
Radiology (Diagnostic Radiology)5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 834-0685
1215635214MS. MARISSA A MULLEN PA-C
Individual
Physician Assistant5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 795-4622
1396360723 AHMED MANSI MD
Individual
Neurological Surgery5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-2123
1407698285 MOMIN MOHIS MD
Individual
Neurological Surgery5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-2123
1689168122 ANUDARIYA BATBOLD
Individual
Orthopaedic Surgery5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-8544
1811720584DR. WHITNEY SCOTT GRIGGS MD, PHD
Individual
Neurological Surgery5841 S MARYLAND AVE # MC3026
CHICAGO, IL 60637
(773) 702-2123

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942003199, enumerated in the NPI registry as an "individual" on March 31, 2025

The provider is located at 5841 S Maryland Ave # Mc3026 Chicago, Il 60637 and the phone number is (773) 702-2123

The provider's speciality is Neurological Surgery with taxonomy code 207T00000X

This NPI record was last updated on March 31, 2025. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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