KATELYN PATRICIA KEYS RN
NPI 1942022553
Nurse Practitioner - Family in Winchester, MA

NPI Status: Active since October 26, 2024

Contact Information

41 HIGHLAND AVE
WINCHESTER, MA
ZIP 01890
Phone: (774) 251-0188

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About KATELYN KEYS

This page provides the complete NPI Profile along with additional information for Katelyn Keys, a provider established in Winchester, Massachusetts with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1942022553 assigned on October 2024. The practitioner's primary taxonomy code is 363LF0000X with license number RN2303476 (MA). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1942022553
Provider Name
KATELYN PATRICIA KEYS RN
Gender
Female
Entity Type
Individual
Location Address
41 HIGHLAND AVE WINCHESTER, MA 01890
Location Phone
(774) 251-0188
Mailing Address
9 LINNEA LN READING, MA 01867
Mailing Phone
(774) 251-0188
Is Sole Proprietor?
No
Enumeration Date
10-26-2024
Last Update Date
05-28-2026
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A nurse practitioner (NP) like Katelyn Keys 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 Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RN2303476
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 1942022553, 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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
0
Doubled → 0
Pos 6
2
Unchanged
Pos 7
2
Doubled → 4
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
3
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 4 → 8 0 → 0 2 → 4 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 0 + 2 + 4 + 5 + 1 + 0 + 24 = 57

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.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1942022553.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pathology (Cytopathology)
41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890
Pathology (Dermatopathology)
41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890
Internal Medicine
41 HIGHLAND AVE, 4TH FLOOR
WINCHESTER, MA 01890
Surgery
41 HIGHLAND AVE
WINCHESTER, MA 01890
Anesthesiology
41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890
Nurse Anesthetist, Certified Registered
41 HIGHLAND AVE
WINCHESTER, MA 01890
Internal Medicine
41 HIGHLAND AVE, WINCHESTER HOSPITAL INPATIENT SPECIALIST OFFICE
WINCHESTER, MA 01890
Anesthesiology
41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890
Anesthesiology
41 HIGHLAND AVE
WINCHESTER, MA 01890
Emergency Medicine
41 HIGHLAND AVE, WINCHESTER HOSPITAL EMERGENCY DEPARTMENT
WINCHESTER, MA 01890
Emergency Medicine
41 HIGHLAND AVE
WINCHESTER, MA 01890
Emergency Medicine
41 HIGHLAND AVE
WINCHESTER, MA 01890
Anesthesiology (Pain Medicine)
41 HIGHLAND AVE
WINCHESTER, MA 01890
Emergency Medicine
41 HIGHLAND AVE
WINCHESTER, MA 01890
Emergency Medicine
41 HIGHLAND AVE
WINCHESTER, MA 01890
Emergency Medicine
41 HIGHLAND AVE
WINCHESTER, MA 01890
Pharmacist (Pharmacotherapy)
41 HIGHLAND AVE, WINCHESTER HOSPITAL
WINCHESTER, MA 01890
Pediatrics (Neonatal-Perinatal Medicine)
41 HIGHLAND AVE
WINCHESTER, MA 01890
Pediatrics (Neonatal-Perinatal Medicine)
41 HIGHLAND AVE
WINCHESTER, MA 01890
Emergency Medicine
41 HIGHLAND AVE
WINCHESTER, MA 01890

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942022553, enumerated as an "individual" on October 26, 2024.

The provider is located at 41 HIGHLAND AVE WINCHESTER, MA 01890 and the phone number is (774) 251-0188.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.