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
- 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
- Code Navigator
Location Map
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. | |||||||||
1 | 9 | 4 | 2 | 0 | 0 | 3 | 1 | 9 | 9 |
Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
2 | 9 | 8 | 2 | 0 | 0 | 6 | 1 | 18 | |
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 = 9 | 9 |
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 |
---|---|---|---|
1306844899 | DR. MARTIN D. HERMAN M.D., PH.D. Individual | Neurological Surgery | 5841 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 Program | 5841 S MARYLAND AVE # MC3026 CHICAGO, IL 60637 (773) 702-2123 |
1164002812 | ZHE WANG Individual | Student in an Organized Health Care Education/Training Program | 5841 S MARYLAND AVE # MC3026 CHICAGO, IL 60637 (773) 702-2123 |
1326783515 | ABHINAV K REDDY MD Individual | Student in an Organized Health Care Education/Training Program | 5841 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 |
1215635214 | MS. MARISSA A MULLEN PA-C Individual | Physician Assistant | 5841 S MARYLAND AVE # MC3026 CHICAGO, IL 60637 (773) 795-4622 |
1396360723 | AHMED MANSI MD Individual | Neurological Surgery | 5841 S MARYLAND AVE # MC3026 CHICAGO, IL 60637 (773) 702-2123 |
1407698285 | MOMIN MOHIS MD Individual | Neurological Surgery | 5841 S MARYLAND AVE # MC3026 CHICAGO, IL 60637 (773) 702-2123 |
1689168122 | ANUDARIYA BATBOLD Individual | Orthopaedic Surgery | 5841 S MARYLAND AVE # MC3026 CHICAGO, IL 60637 (773) 702-8544 |
1811720584 | DR. WHITNEY SCOTT GRIGGS MD, PHD Individual | Neurological Surgery | 5841 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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