Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

NARCESSA GAIL- ROSALES GREENWOOD RN
NPI 1790604775
Registered Nurse - Oncology in Mobile, AL

Active since July 13, 2026
6701 AIRPORT BLVD, MOBILE, AL 36608(251) 607-5239 Get Directions Write a Review

NPPES record added: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Registered Nurse
  • Oncology

About NARCESSA GREENWOOD

This page provides the complete NPI Profile along with additional information for Narcessa Greenwood, a provider established in Mobile, Alabama with a medical specialization in Registered Nurse, focusing in oncology . The healthcare provider is registered in the NPI registry with number 1790604775 assigned on July 2026. The practitioner's primary taxonomy code is 163WX0200X with license number 1-201282 (AL). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1790604775
Provider Name
NARCESSA GAIL- ROSALES GREENWOOD RN
Gender
Female
Entity Type
Individual
Location Address
6701 AIRPORT BLVD MOBILE, AL 36608
Location Phone
(251) 607-5239
Mailing Address
23676 SPARROWS PT DAPHNE, AL 36526
Mailing Phone
(251) 607-5239
Is Sole Proprietor?
No
Enumeration Date
07-13-2026
Last Update Date
07-13-2026
Code Navigator

A registered nurse (RN) like Narcessa Greenwood coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

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

Registered Nurse Oncology

Taxonomy Code
163WX0200X
Type
Nursing Service Providers
License No.
1-201282
License State
AL

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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 1790604775, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
7
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
0
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
5
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 9 → 18 → 9 6 → 12 → 3 4 → 8 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 8 + 0 + 1 + 2 + 0 + 8 + 7 + 1 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1790604775.

Other Providers at the Same Location


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

Specialist
6701 AIRPORT BLVD, SUITE B213
MOBILE, AL 36608
Physician Assistant (Surgical)
6701 AIRPORT BLVD, SUITE B 114
MOBILE, AL 36608
Surgery
6701 AIRPORT BLVD, SUITE B217
MOBILE, AL 36608
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
6701 AIRPORT BLVD, SUITE B114
MOBILE, AL 36608
Nurse Anesthetist, Certified Registered
6701 AIRPORT BLVD, SUITE 430
MOBILE, AL 36608
Nurse Anesthetist, Certified Registered
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Anesthesiology
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Anesthesiology
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Anesthesiology
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Nurse Anesthetist, Certified Registered
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Nurse Anesthetist, Certified Registered
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Anesthesiology
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Anesthesiology
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Nurse Anesthetist, Certified Registered
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Nurse Anesthetist, Certified Registered
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Nurse Anesthetist, Certified Registered
6701 AIRPORT BLVD, SUITE D430B
MOBILE, AL 36608
Dentist (Oral and Maxillofacial Surgery)
6701 AIRPORT BLVD, SUITE D-238
MOBILE, AL 36608
Surgery
6701 AIRPORT BLVD, SUITE D231
MOBILE, AL 36608
Internal Medicine (Endocrinology, Diabetes & Metabolism)
6701 AIRPORT BLVD, SUITE A-101
MOBILE, AL 36608
Internal Medicine
6701 AIRPORT BLVD, SUITE A-101
MOBILE, AL 36608

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1790604775, enumerated as an "individual" on July 13, 2026.

The provider is located at 6701 AIRPORT BLVD MOBILE, AL 36608 and the phone number is (251) 607-5239.

Registered Nurse with taxonomy code 163WX0200X and a focus in Oncology.