COURTNEY KELSEY RN
NPI 1184592958
Nurse Practitioner - Acute Care in Bangor, ME

NPI Status: Active since October 24, 2025

Contact Information

489 STATE ST
BANGOR, ME
ZIP 04401
Phone: (207) 973-7000

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  • Individual
  • Female
  • Nurse Practitioner
  • Acute Care

About COURTNEY KELSEY

This page provides the complete NPI Profile along with additional information for Courtney Kelsey, a provider established in Bangor, Maine with a medical specialization in Nurse Practitioner, focusing in acute care . The healthcare provider is registered in the NPI registry with number 1184592958 assigned on October 2025. The practitioner's primary taxonomy code is 363LA2100X with license number CNP261052 (ME). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1184592958
Provider Name
COURTNEY KELSEY RN
Other Name
COURTNEY H GROSS
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
489 STATE ST BANGOR, ME 04401
Location Phone
(207) 973-7000
Mailing Address
489 STATE ST BANGOR, ME 04401
Is Sole Proprietor?
No
Enumeration Date
10-24-2025
Last Update Date
01-17-2026
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A nurse practitioner (NP) like Courtney Kelsey 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 Acute Care

Taxonomy Code
363LA2100X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
CNP261052
License State
ME

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)
1163WC0200XNursing Service Providers

Registered Nurse
Critical Care Medicine

RN84115 (ME)

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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 1184592958, 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.

Pos 1
1
Doubled → 2
Pos 2
1
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
8
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 8 → 16 → 7 5 → 10 → 1 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 + 1 + 1 + 6 + 4 + 1 + 0 + 9 + 4 + 9 + 1 + 0 + 24 = 62

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.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1184592958.

Other Providers at the Same Location


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

Pharmacist (Pharmacotherapy)
489 STATE ST
BANGOR, ME 04401
Physician Assistant
489 STATE ST, VASCULAR CARE OF MAINE
BANGOR, ME 04401
Pharmacist (Pharmacotherapy)
489 STATE ST
BANGOR, ME 04401
Pharmacist
489 STATE ST, EASTERN MAINE MEDICAL CENTER
BANGOR, ME 04401
Physician Assistant (Medical)
489 STATE ST
BANGOR, ME 04401
Nurse Practitioner (Family)
489 STATE ST
BANGOR, ME 04401
Family Medicine
489 STATE ST
BANGOR, ME 04401
Advanced Practice Midwife
489 STATE ST
BANGOR, ME 04401
Nurse Practitioner
489 STATE ST, VASCULAR CARE OF MAINE
BANGOR, ME 04401
Nurse Practitioner
489 STATE ST, VASCULAR CARE OF MAINE
BANGOR, ME 04401
Clinical Neuropsychologist
489 STATE ST
BANGOR, ME 04401
Nurse Practitioner
489 STATE ST
BANGOR, ME 04401
Surgery (Plastic and Reconstructive Surgery)
489 STATE ST
BANGOR, ME 04401
Pediatrics (Pediatric Critical Care Medicine)
489 STATE ST
BANGOR, ME 04401
Physician Assistant
489 STATE ST
BANGOR, ME 04401
Physician Assistant
489 STATE ST
BANGOR, ME 04401
Pediatrics (Pediatric Hematology-Oncology)
489 STATE ST
BANGOR, ME 04401
Nurse Anesthetist, Certified Registered
489 STATE ST, EMMC
BANGOR, ME 04401
Internal Medicine (Hematology & Oncology)
489 STATE ST
BANGOR, ME 04401
Physician Assistant
489 STATE ST
BANGOR, ME 04401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184592958, enumerated as an "individual" on October 24, 2025.

The provider is located at 489 STATE ST BANGOR, ME 04401 and the phone number is (207) 973-7000.

Nurse Practitioner with taxonomy code 363LA2100X and a focus in Acute Care.