KATHERINE REBECCA DONALDSON NURSE PRACTITIONER
NPI 1245107143
Nurse Practitioner - Pediatrics in Annapolis, MD

NPI Status: Active since October 23, 2025

Contact Information

200 FORBES ST STE 200
ANNAPOLIS, MD
ZIP 21401
Phone: (410) 263-6363
Fax: (410) 263-7551

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  • Individual
  • Female
  • Nurse Practitioner
  • Pediatrics

About KATHERINE DONALDSON

This page provides the complete NPI Profile along with additional information for Katherine Donaldson, a provider established in Annapolis, Maryland with a medical specialization in Nurse Practitioner, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1245107143 assigned on October 2025. The practitioner's primary taxonomy code is 363LP0200X with license number R211850 (MD). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1245107143
Provider Name
KATHERINE REBECCA DONALDSON NURSE PRACTITIONER
Gender
Female
Entity Type
Individual
Location Address
200 FORBES ST STE 200 ANNAPOLIS, MD 21401
Location Phone
(410) 263-6363
Location Fax
(410) 263-7551
Mailing Address
9809 MOYER RD DAMASCUS, MD 20872
Mailing Phone
(301) 908-4377
Is Sole Proprietor?
No
Enumeration Date
10-23-2025
Last Update Date
10-23-2025
Code Navigator

A nurse practitioner (NP) like Katherine Donaldson 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 Pediatrics

Taxonomy Code
363LP0200X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
R211850
License State
MD

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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 1245107143, 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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
1
Unchanged
Pos 9
4
Doubled → 8
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 1 → 2 7 → 14 → 5 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 2 + 0 + 1 + 4 + 1 + 8 + 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 1245107143.

Other Providers at the Same Location


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

Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Nurse Practitioner (Pediatrics)
200 FORBES ST STE 200
ANNAPOLIS, MD 21401
Pediatrics
200 FORBES ST STE 200
ANNAPOLIS, MD 21401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245107143, enumerated as an "individual" on October 23, 2025.

The provider is located at 200 FORBES ST STE 200 ANNAPOLIS, MD 21401 and the phone number is (410) 263-6363.

Nurse Practitioner with taxonomy code 363LP0200X and a focus in Pediatrics.