COMPREHENSIVE NEUROLOGICAL SCIENCES INC
NPI 1033499470
Neurological Surgery in Laguna Niguel, CA

NPI Status: Active since August 17, 2011

Contact Information

30131 TOWN CENTER DR STE 195
LAGUNA NIGUEL, CA
ZIP 92677
Phone: (714) 677-9463
Fax: (714) 215-1555

Get Directions Write a Review

  • Organization
  • Neurological Surgery

About COMPREHENSIVE NEUROLOGICAL SCIENCES INC

This page provides the complete NPI Profile along with additional information for Comprehensive Neurological Sciences Inc, a provider established in Laguna Niguel, California operating as a Neurological Surgery. The healthcare provider is registered in the NPI registry with number 1033499470 assigned on August 2011. The practitioner's primary taxonomy code is 207T00000X with license number A72588 (CA). The provider is registered as an organization and their NPI record was last updated February 2026. Comprehensive Neurological Sciences Inc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. William Gunter Loudon M.d. (President)

NPI
1033499470
Provider Name
COMPREHENSIVE NEUROLOGICAL SCIENCES INC
Entity Type
Organization
Location Address
30131 TOWN CENTER DR STE 195 LAGUNA NIGUEL, CA 92677
Location Phone
(714) 677-9463
Location Fax
(714) 215-1555
Mailing Address
30131 TOWN CENTER DR STE 195 LAGUNA NIGUEL, CA 92677
Mailing Phone
(714) 677-9463
Mailing Fax
(714) 215-1555
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-17-2011
Last Update Date
02-12-2026
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
License No.
A72588
License State
CA
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 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. WILLIAM GUNTER LOUDON M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(714) 677-9463

Reviews for COMPREHENSIVE NEUROLOGICAL SCIENCES INC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1033499470, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
0
Unchanged
Pos 3
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
4
Doubled → 8
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
0
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 3 → 6 4 → 8 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 8 + 9 + 1 + 8 + 4 + 1 + 4 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1033499470.

Other Providers at the Same Location


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

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
30131 TOWN CENTER DR STE 195
LAGUNA NIGUEL, CA 92677
Neurological Surgery
30131 TOWN CENTER DR STE 195
LAGUNA NIGUEL, CA 92677

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033499470, enumerated as an "organization" on August 17, 2011.

The provider is located at 30131 TOWN CENTER DR STE 195 LAGUNA NIGUEL, CA 92677 and the phone number is (714) 677-9463.

Neurological Surgery with taxonomy code 207T00000X.