MS. SHARON ANN CASTELLANOS WHNP, CNS
NPI 1841300233
Registered Nurse - Community Health in Santa Clara, CA
NPI Status: Active since August 30, 2006
Contact Information
710 LAWRENCE EXPY
SANTA CLARA, CA
ZIP 95051
Phone: (408) 851-3551
- Individual
- Female
- Registered Nurse
- Community Health
- PECOS Enrolled
About SHARON CASTELLANOS
This page provides the complete NPI Profile along with additional information for Sharon Castellanos, a provider established in Santa Clara, California with a medical specialization in Registered Nurse, focusing in community health . The healthcare provider is registered in the NPI registry with number 1841300233 assigned on August 2006. The practitioner's primary taxonomy code is 163WC1500X with license number 37566 (CA). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1841300233
- Provider Name
- MS. SHARON ANN CASTELLANOS WHNP, CNS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 710 LAWRENCE EXPY SANTA CLARA, CA 95051
- Location Phone
- (408) 851-3551
- Mailing Address
- 710 LAWRENCE EXPY SANTA CLARA, CA 95051
- Mailing Phone
- (408) 851-3035
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-30-2006
- Last Update Date
- 09-11-2025
- Code Navigator
A registered nurse (RN) like Sharon Castellanos coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.
Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.
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
Registered Nurse Community Health
- Taxonomy Code
- 163WC1500X
- Type
- Nursing Service Providers
- License No.
- 37566
- License State
- CA
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 | 163W00000X | Nursing Service Providers | Registered Nurse | 3773 (CA) |
| 2 | 363LW0102X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | 378650 (CA) |
| 3 | 364S00000X | Physician Assistants & Advanced Practice Nursing Providers | Clinical Nurse Specialist | 2622 (CA) |
Medicare Participation & PECOS Enrollment Status
Sharon Castellanos is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Durable Medical Equipment (DME) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): No
Eligible to Order or Refer Power Mobility Devices: Yes
Reviews for MS. SHARON ANN CASTELLANOS WHNP, CNS
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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 1841300233, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. 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.
SANTA CLARA, CA 95051
SANTA CLARA, CA 95051
SANTA CLARA, CA 95051
SANTA CLARA, CA 95051
SANTA CLARA, CA 95051
SANTA CLARA, CA 95051
SANTA CLARA, CA 95051
SANTA CLARA, CA 95051
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1841300233, enumerated as an "individual" on August 30, 2006.
The provider is located at 710 LAWRENCE EXPY SANTA CLARA, CA 95051 and the phone number is (408) 851-3551.
Registered Nurse with taxonomy code 163WC1500X and a focus in Community Health.
