CHRISTINA KNIGHT N.P.
NPI 1134172422
Nurse Practitioner in Cambridge, MA

NPI Status: Active since May 18, 2006

Contact Information

310 CAMBRIDGE ST
CAMBRIDGE, MA
ZIP 02141
Phone: (508) 254-8125
Fax: (253) 498-1400

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NPPES record last updated: February 24, 2021. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Female
  • Nurse Practitioner

About CHRISTINA KNIGHT

This page provides the complete NPI Profile along with additional information for Christina Knight, a provider established in Cambridge, Massachusetts with a medical specialization in Nurse Practitioner. The healthcare provider is registered in the NPI registry with number 1134172422 assigned on May 2006. The practitioner's primary taxonomy code is 363L00000X with license number 205114 (MA). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1134172422
Provider Name
CHRISTINA KNIGHT N.P.
Gender
Female
Entity Type
Individual
Location Address
310 CAMBRIDGE ST CAMBRIDGE, MA 02141
Location Phone
(508) 254-8125
Location Fax
(253) 498-1400
Mailing Address
310 CAMBRIDGE ST CAMBRIDGE, MA 02141
Mailing Phone
(508) 254-8125
Mailing Fax
(253) 498-1400
Is Sole Proprietor?
Yes
Enumeration Date
05-18-2006
Last Update Date
02-24-2021
Code Navigator

A nurse practitioner (NP) like Christina Knight 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

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

Taxonomy Code
363L00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
205114
License State
MA
Taxonomy Description
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

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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 1134172422, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
3
Doubled → 6
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
7
Unchanged
Pos 7
2
Doubled → 4
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
2
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 3 → 6 1 → 2 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 1 + 6 + 4 + 2 + 7 + 4 + 4 + 4 + 24 = 58

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1134172422.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Dentist
310 CAMBRIDGE ST
CAMBRIDGE, MA 02141

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134172422, enumerated as an "individual" on May 18, 2006.

The provider is located at 310 CAMBRIDGE ST CAMBRIDGE, MA 02141 and the phone number is (508) 254-8125.

Nurse Practitioner with taxonomy code 363L00000X.