LESCHKE SPINE AND NEUROSURGERY LLC
NPI 1700715521
Neurological Surgery in Appleton, WI
NPI Status: Active since May 18, 2026
Contact Information
1611 S MADISON ST STE 110
APPLETON, WI
ZIP 54915
Phone: (920) 939-7868
Fax: (920) 939-7869
This NPI profile has been added to the NPI registry within the last 30 days.
- Organization
- Neurological Surgery
About LESCHKE SPINE AND NEUROSURGERY LLC
This page provides the complete NPI Profile along with additional information for Leschke Spine And Neurosurgery Llc, a provider established in Appleton, Wisconsin operating as a Neurological Surgery. The healthcare provider is registered in the NPI registry with number 1700715521 assigned on May 2026. The practitioner's primary taxonomy code is 207T00000X. The provider is registered as an organization and their NPI record was last updated May 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is John M Leschke Md (Medical Director)
- NPI
- 1700715521
- Provider Name
- LESCHKE SPINE AND NEUROSURGERY LLC
- Entity Type
- Organization
- Location Address
- 1611 S MADISON ST STE 110 APPLETON, WI 54915
- Location Phone
- (920) 939-7868
- Location Fax
- (920) 939-7869
- Mailing Address
- 4764 W INTEGRITY WAY # 175 APPLETON, WI 54913
- Mailing Phone
- (920) 939-7868
- Mailing Fax
- (920) 939-7869
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-18-2026
- Last Update Date
- 05-27-2026
- 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
- 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.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1700715521, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 49 is 50. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1700715521, enumerated as an "organization" on May 18, 2026.
The provider is located at 1611 S MADISON ST STE 110 APPLETON, WI 54915 and the phone number is (920) 939-7868.
Neurological Surgery with taxonomy code 207T00000X.
