JUSTIN MAXWELL VISITACION FERNAN RRT-ACCS
NPI 1992653620
Respiratory Therapist, Registered in Muskogee, OK

NPI Status: Active since March 18, 2026

Contact Information

1011 HONOR HEIGHTS DR
MUSKOGEE, OK
ZIP 74401
Phone: (918) 577-3048

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  • Individual
  • Male
  • Respiratory Therapist, Registered

About JUSTIN MAXWELL FERNAN

This page provides the complete NPI Profile along with additional information for Justin Maxwell Fernan, a provider established in Muskogee, Oklahoma with a medical specialization in Respiratory Therapist, Registered. The healthcare provider is registered in the NPI registry with number 1992653620 assigned on March 2026. The practitioner's primary taxonomy code is 227900000X with license number 4277 (OK). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1992653620
Provider Name
JUSTIN MAXWELL VISITACION FERNAN RRT-ACCS
Gender
Male
Entity Type
Individual
Location Address
1011 HONOR HEIGHTS DR MUSKOGEE, OK 74401
Location Phone
(918) 577-3048
Mailing Address
3909 N COUNTRY CLUB CIR MUSKOGEE, OK 74403
Mailing Phone
(918) 520-5292
Is Sole Proprietor?
No
Enumeration Date
03-18-2026
Last Update Date
03-18-2026
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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

Respiratory Therapist, Registered

Taxonomy Code
227900000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
4277
License State
OK
Taxonomy Description
A Registered Respiratory Therapist (RRT) is an advanced therapist who has passed standardized written and clinical simulation examinations administered by the National Board for Respiratory Care (NBRC). In addition, to the certified therapist (CRT) entry level skills, RRTs have advanced education and training in patient assessment, in the development and modification of patient care plans, and in assuring the appropriate utilization of respiratory care resources. An RRT is a graduate of an associate or baccalaureate degree producing educational programs approved by the Commission on Accreditation of Allied Health Education Programs (CAAHEP) and where applicable, is licensed by the state and is practicing within the scope of that license.

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)
12279C0205XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Respiratory Therapist, Registered
Critical Care

4277 (OK)
22279E0002XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Respiratory Therapist, Registered
Emergency Care

4277 (OK)

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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 1992653620, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 2 + 5 + 6 + 6 + 4 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1992653620.

Other Providers at the Same Location


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

Clinical Nurse Specialist (Psychiatric/Mental Health, Adult)
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Pharmacist
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Audiologist
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Audiologist
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Pharmacist
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Pharmacist
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Dietitian, Registered
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Internal Medicine
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Dietitian, Registered
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Pharmacist (Pharmacotherapy)
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Pharmacist
1011 HONOR HEIGHTS DR, PHARMACY
MUSKOGEE, OK 74401
Social Worker (Clinical)
1011 HONOR HEIGHTS DR, FIVE EAST
MUSKOGEE, OK 74401
Internal Medicine
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Internal Medicine
1011 HONOR HEIGHTS DR, VAMC
MUSKOGEE, OK 74401
Social Worker (Clinical)
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Internal Medicine
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Social Worker
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401
Pharmacist
1011 HONOR HEIGHTS DR, PHARMACY
MUSKOGEE, OK 74401
Otolaryngology
1011 HONOR HEIGHTS DR
MUSKOGEE, OK 74401

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992653620, enumerated as an "individual" on March 18, 2026.

The provider is located at 1011 HONOR HEIGHTS DR MUSKOGEE, OK 74401 and the phone number is (918) 577-3048.

Respiratory Therapist, Registered with taxonomy code 227900000X.