DR. JOHN ALAN AALBERS M.D.
NPI 1942262431
Psychiatry & Neurology - Neurology in San Diego, CA
- Individual
- Male
- Psychiatry & Neurology
- Neurology
About JOHN AALBERS
This page provides the complete NPI Profile along with additional information for John Aalbers, a provider established in San Diego, California with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1942262431 assigned on April 2006. The practitioner's primary taxonomy code is 2084N0400X with license number G26935 (CA). The provider is registered as an individual and his NPI record was last updated July 2026.
- NPI
- 1942262431
- Provider Name
- DR. JOHN ALAN AALBERS M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4060 4TH AVE SUITE 700 SAN DIEGO, CA 92103
- Location Phone
- (619) 299-8500
- Location Fax
- (619) 297-1443
- Mailing Address
- 4060 4TH AVE SUITE 700 SAN DIEGO, CA 92103
- Mailing Phone
- (619) 299-8500
- Mailing Fax
- (619) 297-1443
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-03-2006
- Last Update Date
- 07-13-2026
- 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
Psychiatry & Neurology Neurology
- Taxonomy Code
- 2084N0400X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G26935
- 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.
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.
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 |
|---|---|---|---|
| 00G269350 | MEDICAID (05) | CA |
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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 1942262431, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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 69 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1942262431, enumerated as an "individual" on April 03, 2006.
The provider is located at 4060 4TH AVE SUITE 700 SAN DIEGO, CA 92103 and the phone number is (619) 299-8500.
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.
