MRS. REGINE B STILLWELL AGNP-C
NPI 1609724236
Nurse Practitioner - Adult Health in Los Angeles, CA
NPI Status: Active since March 19, 2026
Contact Information
14204 SUNBURST STREET
LOS ANGELES, CA
ZIP 91402
Phone: (504) 220-6617
- Individual
- Female
- Nurse Practitioner
- Adult Health
About REGINE STILLWELL
This page provides the complete NPI Profile along with additional information for Regine Stillwell, a provider established in Los Angeles, California with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1609724236 assigned on March 2026. The practitioner's primary taxonomy code is 363LA2200X with license number AG01260061 (CA). The provider is registered as an individual and her NPI record was last updated March 2026. Regine Stillwell operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization.
- NPI
- 1609724236
- Provider Name
- MRS. REGINE B STILLWELL AGNP-C
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 14204 SUNBURST STREET LOS ANGELES, CA 91402
- Location Phone
- (504) 220-6617
- Mailing Address
- 13651 WILLARD ST PANORAMA, CA 91402
- Mailing Phone
- (504) 220-6617
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-19-2026
- Last Update Date
- 03-19-2026
- Code Navigator
A nurse practitioner (NP) like Regine Stillwell 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 Adult Health
- Taxonomy Code
- 363LA2200X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- AG01260061
- License State
- CA
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.
Reviews for MRS. REGINE B STILLWELL AGNP-C
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1609724236, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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 64 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1609724236, enumerated as an "individual" on March 19, 2026.
The provider is located at 14204 SUNBURST STREET LOS ANGELES, CA 91402 and the phone number is (504) 220-6617.
Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.
