DR. RAYMOND LOUIS LAGGER MD
NPI 1558209361
Neurological Surgery in Holualoa, HI
NPI Status: Active since March 23, 2026
Contact Information
75-961 IOKEPA PLACE
HOLUALOA, HI
ZIP 96725
Phone: (650) 280-9320
- Individual
- Male
- Neurological Surgery
About RAYMOND LAGGER
This page provides the complete NPI Profile along with additional information for Raymond Lagger, a provider established in Holualoa, Hawaii with a medical specialization in Neurological Surgery. The healthcare provider is registered in the NPI registry with number 1558209361 assigned on March 2026. The practitioner's primary taxonomy code is 207T00000X with license number G26136 (CA). The provider is registered as an individual and his NPI record was last updated March 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.
- NPI
- 1558209361
- Provider Name
- DR. RAYMOND LOUIS LAGGER MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 75-961 IOKEPA PLACE HOLUALOA, HI 96725
- Location Phone
- (650) 280-9320
- Mailing Address
- PO BOX 309 HOLUALOA, HI 96725
- Mailing Phone
- (650) 280-9320
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-23-2026
- Last Update Date
- 03-23-2026
- 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.
- G26136
- 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 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 1558209361, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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 59 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1558209361, enumerated as an "individual" on March 23, 2026.
The provider is located at 75-961 IOKEPA PLACE HOLUALOA, HI 96725 and the phone number is (650) 280-9320.
Neurological Surgery with taxonomy code 207T00000X.
