RAFAEL ILAGAN
NPI 1033929047
Nurse Practitioner - Gerontology in San Francisco, CA

NPI Status: Active since January 10, 2025

Contact Information

461 2ND ST APT C130
SAN FRANCISCO, CA
ZIP 94107
Phone: (773) 510-2865

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  • Individual
  • Male
  • Nurse Practitioner
  • Gerontology

About RAFAEL ILAGAN

This page provides the complete NPI Profile along with additional information for Rafael Ilagan, a provider established in San Francisco, California with a medical specialization in Nurse Practitioner, focusing in gerontology . The healthcare provider is registered in the NPI registry with number 1033929047 assigned on January 2025. The practitioner's primary taxonomy code is 363LG0600X with license number 95032904 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1033929047
Provider Name
RAFAEL ILAGAN
Gender
Male
Entity Type
Individual
Location Address
461 2ND ST APT C130 SAN FRANCISCO, CA 94107
Location Phone
(773) 510-2865
Mailing Address
461 2ND ST APT C130 SAN FRANCISCO, CA 94107
Mailing Phone
(773) 510-2865
Is Sole Proprietor?
No
Enumeration Date
01-10-2025
Last Update Date
01-10-2025
Code Navigator

A nurse practitioner (NP) like Rafael Ilagan is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Gerontology

Taxonomy Code
363LG0600X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
95032904
License State
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 1033929047, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
Check
7
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 9 → 18 → 9 9 → 18 → 9 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 1 + 8 + 2 + 1 + 8 + 0 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1033929047.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033929047, enumerated as an "individual" on January 10, 2025.

The provider is located at 461 2ND ST APT C130 SAN FRANCISCO, CA 94107 and the phone number is (773) 510-2865.

Nurse Practitioner with taxonomy code 363LG0600X and a focus in Gerontology.