JAMES SANTIAGO GRISOLIA, M.D. INC
NPI 1801933684
Psychiatry & Neurology - Neurology in San Diego, CA

NPI Status: Active since January 31, 2007

Contact Information

4033 3RD AVE STE 204
SAN DIEGO, CA
ZIP 92103
Phone: (619) 297-1155

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  • Organization
  • Psychiatry & Neurology
  • Neurology

About JAMES SANTIAGO GRISOLIA, M.D. INC

This page provides the complete NPI Profile along with additional information for James Santiago Grisolia, M.d. Inc, a provider established in San Diego, California operating as a Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1801933684 assigned on January 2007. The practitioner's primary taxonomy code is 2084N0400X with license number G42884 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. 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 James Santiago Grisolia M.d. (Present)

NPI
1801933684
Provider Name
JAMES SANTIAGO GRISOLIA, M.D. INC
Entity Type
Organization
Location Address
4033 3RD AVE STE 204 SAN DIEGO, CA 92103
Location Phone
(619) 297-1155
Mailing Address
4033 3RD AVE STE 204 SAN DIEGO, CA 92103
Mailing Phone
(619) 297-1155
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-31-2007
Last Update Date
03-26-2025
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
G42884
License State
CA
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

JAMES SANTIAGO GRISOLIA M.D.

Authorized Official Title
PRESENT
Authorized Official Phone
(619) 297-1155

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00G428840MEDICAID (05)CA 

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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 1801933684, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 0 → 0 9 → 18 → 9 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 + 8 + 0 + 1 + 1 + 8 + 3 + 6 + 6 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1801933684.

Other Providers at the Same Location


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

Surgery
4033 3RD AVE STE 204
SAN DIEGO, CA 92103
Psychiatry & Neurology (Neurology)
4033 3RD AVE STE 204
SAN DIEGO, CA 92103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801933684, enumerated as an "organization" on January 31, 2007.

The provider is located at 4033 3RD AVE STE 204 SAN DIEGO, CA 92103 and the phone number is (619) 297-1155.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.