KAREN P SFERRA N.P.
NPI 1174995377
Nurse Practitioner - Pediatrics in Brighton, MA
NPI Status: Active since October 27, 2015
Contact Information
30 WARREN ST
BRIGHTON, MA
ZIP 02135
Phone: (617) 254-3800
- Individual
- Female
- Nurse Practitioner
- Pediatrics
About KAREN SFERRA
This page provides the complete NPI Profile along with additional information for Karen Sferra, a provider established in Brighton, Massachusetts with a medical specialization in Nurse Practitioner, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1174995377 assigned on October 2015. The practitioner's primary taxonomy code is 363LP0200X with license number RN2301561 (MA). The provider is registered as an individual and her NPI record was last updated April 2026.
- NPI
- 1174995377
- Provider Name
- KAREN P SFERRA N.P.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 30 WARREN ST BRIGHTON, MA 02135
- Location Phone
- (617) 254-3800
- Mailing Address
- 701 GROVE ST FRAMINGHAM, MA 01701
- Mailing Phone
- (501) 908-6209
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-27-2015
- Last Update Date
- 04-17-2026
- Code Navigator
A nurse practitioner (NP) like Karen Sferra 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
Secondary Locations
- 101 Plain St
Providence, RI 02903
(501) 908-6209
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 Pediatrics
- Taxonomy Code
- 363LP0200X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- RN2301561
- License State
- MA
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 | 163WH0200X | Nursing Service Providers | Registered Nurse | RN2301561 (MA) |
| 2 | 363LP0200X | Physician Assistants & Advanced Practice Nursing Providers | Nurse Practitioner | APRN05082 (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 1174995377, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).
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 63 is 70. 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.
BRIGHTON, MA 02135
BOSTON, MA 02135
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1174995377, enumerated as an "individual" on October 27, 2015.
The provider is located at 30 WARREN ST BRIGHTON, MA 02135 and the phone number is (617) 254-3800.
Nurse Practitioner with taxonomy code 363LP0200X and a focus in Pediatrics.
