HEATHER YVETTE PURCELL-MULLINS
NPI 1104774744
Clinical Nurse Specialist in Oceanside, CA
NPI Status: Active since March 19, 2026
Contact Information
200 MERCY CIRCLE
OCEANSIDE, CA
ZIP 92055
Phone: (760) 719-3272
- Individual
- Female
- Clinical Nurse Specialist
About HEATHER PURCELL-MULLINS
This page provides the complete NPI Profile along with additional information for Heather Purcell-mullins, a provider established in Oceanside, California with a medical specialization in Clinical Nurse Specialist. The healthcare provider is registered in the NPI registry with number 1104774744 assigned on March 2026. The practitioner's primary taxonomy code is 364S00000X with license number 4328 (CA). The provider is registered as an individual and her NPI record was last updated March 2026.
- NPI
- 1104774744
- Provider Name
- HEATHER YVETTE PURCELL-MULLINS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 200 MERCY CIRCLE OCEANSIDE, CA 92055
- Location Phone
- (760) 719-3272
- Mailing Address
- 200 MERCY CIRCLE OCEANSIDE, CA 92055
- Mailing Phone
- (760) 719-3272
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-19-2026
- Last Update Date
- 03-19-2026
- Code Navigator
A Clinical Nurse Specialist (CNS) like Heather Purcell-mullins is a type of advanced practice registered nurse (APRN) that provides direct patient care in various nursing specialties, including pediatrics or psychiatric-mental health. CNSs collaborate with other nurses and medical professionals to improve patient care quality. CNSs are often positioned in leadership roles where they may provide education and mentorship to other nursing personnel. Additionally, CNSs may also conduct research and advocate for certain healthcare policies.
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
Clinical Nurse Specialist
- Taxonomy Code
- 364S00000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 4328
- License State
- CA
- Taxonomy Description
- A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 364SA2100X | Physician Assistants & Advanced Practice Nursing Providers | Clinical Nurse Specialist | 4328 (CA) |
| 2 | 364SC0200X | Physician Assistants & Advanced Practice Nursing Providers | Clinical Nurse Specialist | 4328 (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 1104774744, 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.
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 66 is 70. The difference is the calculated check digit.
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OCEANSIDE, CA 92055
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1104774744, enumerated as an "individual" on March 19, 2026.
The provider is located at 200 MERCY CIRCLE OCEANSIDE, CA 92055 and the phone number is (760) 719-3272.
Clinical Nurse Specialist with taxonomy code 364S00000X.
