MARY JANE BERTULFO
NPI 1477407385
Clinic/Center - Health Service in San Diego, CA
NPI Status: Active since February 26, 2026
Contact Information
4029 CHAMOUNE AVE APT 3
SAN DIEGO, CA
ZIP 92105
Phone: (442) 300-8855
- Individual
- Female
- Clinic/Center
- Health Service
About MARY JANE BERTULFO
This page provides the complete NPI Profile along with additional information for Mary Jane Bertulfo, a provider established in San Diego, California with a medical specialization in Clinic/center, focusing in health service . The healthcare provider is registered in the NPI registry with number 1477407385 assigned on February 2026. The practitioner's primary taxonomy code is 261QH0100X. The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1477407385
- Provider Name
- MARY JANE BERTULFO
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 4029 CHAMOUNE AVE APT 3 SAN DIEGO, CA 92105
- Location Phone
- (442) 300-8855
- Mailing Address
- 4029 CHAMOUNE AVE APT 3 SAN DIEGO, CA 92105
- Mailing Phone
- (442) 300-8855
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-26-2026
- Last Update Date
- 02-26-2026
- 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
Clinic/Center Health Service
- Taxonomy Code
- 261QH0100X
- Type
- Ambulatory Health Care Facilities
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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 1477407385, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1477407385, enumerated as an "individual" on February 26, 2026.
The provider is located at 4029 CHAMOUNE AVE APT 3 SAN DIEGO, CA 92105 and the phone number is (442) 300-8855.
Clinic/Center with taxonomy code 261QH0100X and a focus in Health Service.
