SARAH COMBS
NPI 1356276588
Registered Nurse - Oncology in Allston, MA
NPI Status: Active since June 17, 2026
Contact Information
30 PENNIMAN RD UNIT 401
ALLSTON, MA
ZIP 02134
Phone: (631) 682-9537
This NPI profile has been added to the NPI registry within the last 30 days.
- Individual
- Female
- Registered Nurse
- Oncology
About SARAH COMBS
This page provides the complete NPI Profile along with additional information for Sarah Combs, a provider established in Allston, Massachusetts with a medical specialization in Registered Nurse, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1356276588 assigned on June 2026. The practitioner's primary taxonomy code is 163WX0200X with license number RN2333763 (MA). The provider is registered as an individual and her NPI record was last updated June 2026.
- NPI
- 1356276588
- Provider Name
- SARAH COMBS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 30 PENNIMAN RD UNIT 401 ALLSTON, MA 02134
- Location Phone
- (631) 682-9537
- Mailing Address
- 30 PENNIMAN RD UNIT 401 ALLSTON, MA 02134
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-17-2026
- Last Update Date
- 06-17-2026
- Code Navigator
A registered nurse (RN) like Sarah Combs 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 Oncology
- Taxonomy Code
- 163WX0200X
- Type
- Nursing Service Providers
- License No.
- RN2333763
- License State
- MA
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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 1356276588, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1356276588, enumerated as an "individual" on June 17, 2026.
The provider is located at 30 PENNIMAN RD UNIT 401 ALLSTON, MA 02134 and the phone number is (631) 682-9537.
Registered Nurse with taxonomy code 163WX0200X and a focus in Oncology.
