DR. LEONARD HERMAN VERHEY MD, PHD
NPI 1427543487
Neurological Surgery in Toronto, ON

NPI Status: Active since June 22, 2018

Contact Information

555 UNIVERSITY AVENUE
TORONTO, ON
ZIP M5G 1
Phone: (416) 813-1500

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  • Individual
  • Male
  • Neurological Surgery
  • PECOS Enrolled

About LEONARD VERHEY

This page provides the complete NPI Profile along with additional information for Leonard Verhey, a provider established in Toronto, with a medical specialization in Neurological Surgery. The healthcare provider is registered in the NPI registry with number 1427543487 assigned on June 2018. The practitioner's primary taxonomy code is 207T00000X with license number 4301115440 (MI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1427543487
Provider Name
DR. LEONARD HERMAN VERHEY MD, PHD
Gender
Male
Entity Type
Individual
Location Address
555 UNIVERSITY AVENUE TORONTO, ON M5G 1
Location Phone
(416) 813-1500
Mailing Address
4315 SETTLERS RIDGE RD NE BELMONT, MI 49306
Mailing Phone
(616) 648-4611
Is Sole Proprietor?
No
Enumeration Date
06-22-2018
Last Update Date
06-21-2025
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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.
4301115440
License State
MI
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.

Medicare Participation & PECOS Enrollment Status

Leonard Verhey is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

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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 1427543487, 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
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 2 → 4 5 → 10 → 1 3 → 6 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 0 + 4 + 6 + 4 + 1 + 6 + 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 1427543487.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Pediatrics (Pediatric Endocrinology)
555 UNIVERSITY AVENUE
TORONTO, ONTARIO 518
Student in an Organized Health Care Education/Training Program
555 UNIVERSITY AVENUE
TORONTO, ONTARIO 518

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427543487, enumerated as an "individual" on June 22, 2018.

The provider is located at 555 UNIVERSITY AVENUE TORONTO, ON M5G 1 and the phone number is (416) 813-1500.

Neurological Surgery with taxonomy code 207T00000X.