MARISSA YANNO
NPI 1154259455
Registered Nurse in Warwick, RI
NPI Status: Active since May 08, 2026
Contact Information
215 TOLL GATE RD
WARWICK, RI
ZIP 02886
Phone: (401) 921-7290
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Registered Nurse
About MARISSA YANNO
This page provides the complete NPI Profile along with additional information for Marissa Yanno, a provider established in Warwick, Rhode Island with a medical specialization in Registered Nurse. The healthcare provider is registered in the NPI registry with number 1154259455 assigned on May 2026. The practitioner's primary taxonomy code is 163W00000X with license number RN66645 (RI). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1154259455
- Provider Name
- MARISSA YANNO
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 215 TOLL GATE RD WARWICK, RI 02886
- Location Phone
- (401) 921-7290
- Mailing Address
- 215 TOLL GATE RD WARWICK, RI 02886
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-08-2026
- Last Update Date
- 05-08-2026
- Code Navigator
A registered nurse (RN) like Marissa Yanno 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
Secondary Locations
- 455 Toll Gate Rd
Warwick, RI 02886
(401) 737-7000
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
- Taxonomy Code
- 163W00000X
- Type
- Nursing Service Providers
- License No.
- RN66645
- License State
- RI
- Taxonomy Description
- (1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
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 | 363LF0000X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | APRN05037 (RI) |
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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 1154259455, 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 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 55 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.
WARWICK, RI 02886
WARWICK, RI 02886
WARWICK, RI 02886
WARWICK, RI 02886
WARWICK, RI 02886
WARWICK, RI 02886
WARWICK, RI 02886
WARWICK, RI 02886
WARWICK, RI 02886
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1154259455, enumerated as an "individual" on May 08, 2026.
The provider is located at 215 TOLL GATE RD WARWICK, RI 02886 and the phone number is (401) 921-7290.
Registered Nurse with taxonomy code 163W00000X.
