DR. APRIL A GERLOCK PH.D., ARNP
NPI 1902868755
Nurse Practitioner - Psychiatric/Mental Health in Tacoma, WA

NPI Status: Active since April 05, 2006

Contact Information

VA PUGET SOUND HEALTH CARE SYSTEM
AMERICAN LAKE DIVISION
TACOMA, WA
ZIP 98493
Phone: (253) 582-8440
Fax: (253) 589-4136

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  • Individual
  • Female
  • Nurse Practitioner
  • Psychiatric/Mental Health

About APRIL GERLOCK

This page provides the complete NPI Profile along with additional information for April Gerlock, a provider established in Tacoma, Washington with a medical specialization in Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1902868755 assigned on April 2006. The practitioner's primary taxonomy code is 363LP0808X with license number AP30004623 (WA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1902868755
Provider Name
DR. APRIL A GERLOCK PH.D., ARNP
Gender
Female
Entity Type
Individual
Location Address
VA PUGET SOUND HEALTH CARE SYSTEM AMERICAN LAKE DIVISION TACOMA, WA 98493
Location Phone
(253) 582-8440
Location Fax
(253) 589-4136
Mailing Address
615 7TH ST STEILACOOM, WA 98388
Mailing Phone
(253) 581-7378
Is Sole Proprietor?
Yes
Enumeration Date
04-05-2006
Last Update Date
07-08-2007
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A nurse practitioner (NP) like April Gerlock 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 Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
AP30004623
License State
WA

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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 1902868755, 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
9
Unchanged
Pos 3
0
Doubled → 0
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 0 → 0 8 → 16 → 7 8 → 16 → 7 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 + 0 + 2 + 1 + 6 + 6 + 1 + 6 + 7 + 1 + 0 + 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 1902868755.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Nurse Practitioner (Primary Care)
VA PUGET SOUND HEALTH CARE SYSTEM
TACOMA, WA 98493
Nurse Practitioner (Family)
VA PUGET SOUND HEALTH CARE SYSTEM, AMERICAN LAKE DIV
TACOMA, WA 98493
Optometrist (Low Vision Rehabilitation)
VA PUGET SOUND HEALTH CARE SYSTEM, BLIND REHAB CENTER (A-112-BRC)
TACOMA, WA 98493
Psychologist (Clinical)
VA PUGET SOUND HEALTH CARE SYSTEM, AMERICAN LAKE DIV. (A-116-R)
TACOMA, WA 98493
Occupational Therapist
VA PUGET SOUND HEALTH CARE SYSTEM, 9600 VETERANS DRIVE
TACOMA, WA 98493
Physician Assistant
VA PUGET SOUND HEALTH CARE SYSTEM
TACOMA, WA 98493
Psychologist (Clinical)
VA PUGET SOUND HEALTH CARE SYSTEM, AMERICAN LAKE DIVISION
TACOMA, WA 98493
Recreation Therapist
VA PUGET SOUND HEALTH CARE SYSTEM, 9600 VETERANS DRIVE
TACOMA, WA 98493
Social Worker (Clinical)
VA PUGET SOUND HEALTH CARE SYSTEM, 9600 VETERANS DRIVE
TACOMA, WA 98493
Rehabilitation Counselor
VA PUGET SOUND HEALTH CARE SYSTEM, 9600 VETERANS DRIVE
TACOMA, WA 98493
Rehabilitation Practitioner
VA PUGET SOUND HEALTH CARE SYSTEM, 9600 VETERANS DRIVE SOUTHWEST
TACOMA, WA 98493

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1902868755, enumerated as an "individual" on April 05, 2006.

The provider is located at VA PUGET SOUND HEALTH CARE SYSTEM AMERICAN LAKE DIVISION TACOMA, WA 98493 and the phone number is (253) 582-8440.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.