MR. JUSTIN GUEVARRA MARAYAG CRNA
NPI 1912257684
Nurse Anesthetist, Certified Registered in Portland, OR

NPI Status: Active since September 10, 2012

Contact Information

1015 NW 22ND AVE
PORTLAND, OR
ZIP 97210
Phone: (949) 922-5019

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  • Individual
  • Male
  • Nurse Anesthetist, Certified Registered

About JUSTIN MARAYAG

This page provides the complete NPI Profile along with additional information for Justin Marayag, a provider established in Portland, Oregon with a medical specialization in Nurse Anesthetist, Certified Registered. The healthcare provider is registered in the NPI registry with number 1912257684 assigned on September 2012. The practitioner's primary taxonomy code is 367500000X with license number 201500687CRNA-PP (OR). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1912257684
Provider Name
MR. JUSTIN GUEVARRA MARAYAG CRNA
Gender
Male
Entity Type
Individual
Location Address
1015 NW 22ND AVE PORTLAND, OR 97210
Location Phone
(949) 922-5019
Mailing Address
1015 NW 22ND AVE PORTLAND, OR 97210
Mailing Phone
(949) 922-5019
Is Sole Proprietor?
No
Enumeration Date
09-10-2012
Last Update Date
02-09-2015
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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

Nurse Anesthetist, Certified Registered

Taxonomy Code
367500000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
201500687CRNA-PP
License State
OR
Taxonomy Description
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

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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 1912257684, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
2
Doubled → 4
Pos 6
5
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 1 → 2 2 → 4 7 → 14 → 5 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 4 + 5 + 1 + 4 + 6 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1912257684.

Other Providers at the Same Location


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

Radiology (Radiation Oncology)
1015 NW 22ND AVE, LL50
PORTLAND, OR 97210
Internal Medicine
1015 NW 22ND AVE
PORTLAND, OR 97210
Internal Medicine
1015 NW 22ND AVE, SUITE 200
PORTLAND, OR 97210
Internal Medicine (Critical Care Medicine)
1015 NW 22ND AVE, R200
PORTLAND, OR 97210
Psychiatry & Neurology (Psychiatry)
1015 NW 22ND AVE, NORTHRUP #33
PORTLAND, OR 97210
Internal Medicine
1015 NW 22ND AVE
PORTLAND, OR 97210
Hospitalist
1015 NW 22ND AVE
PORTLAND, OR 97210
Radiology (Diagnostic Radiology)
1015 NW 22ND AVE
PORTLAND, OR 97210
Radiology (Diagnostic Radiology)
1015 NW 22ND AVE, STE T-240
PORTLAND, OR 97210
Radiology (Diagnostic Radiology)
1015 NW 22ND AVE, STE T240
PORTLAND, OR 97210
Internal Medicine (Critical Care Medicine)
1015 NW 22ND AVE, LEGACY PORTLAND HOSPITALS
PORTLAND, OR 97210
Radiology (Diagnostic Radiology)
1015 NW 22ND AVE, STE T240
PORTLAND, OR 97210
Radiology (Diagnostic Radiology)
1015 NW 22ND AVE, STE T240
PORTLAND, OR 97210
Radiology (Diagnostic Radiology)
1015 NW 22ND AVE
PORTLAND, OR 97210
Pathology (Anatomic Pathology & Clinical Pathology)
1015 NW 22ND AVE
PORTLAND, OR 97210
Pathology (Anatomic Pathology & Clinical Pathology)
1015 NW 22ND AVE
PORTLAND, OR 97210
Emergency Medicine
1015 NW 22ND AVE
PORTLAND, OR 97210
Emergency Medicine
1015 NW 22ND AVE
PORTLAND, OR 97210
Emergency Medicine
1015 NW 22ND AVE
PORTLAND, OR 97210
Emergency Medicine
1015 NW 22ND AVE
PORTLAND, OR 97210

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912257684, enumerated as an "individual" on September 10, 2012.

The provider is located at 1015 NW 22ND AVE PORTLAND, OR 97210 and the phone number is (949) 922-5019.

Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.