GREGORY CALIWAG RN
NPI 1588211387
Nurse Anesthetist, Certified Registered in Apo, AP

NPI Status: Active since August 26, 2019

Contact Information

UNIT 2060
APO, AP
ZIP 96278
Phone: (315) 784-7190

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  • Individual
  • Male
  • Nurse Anesthetist, Certified Registered

About GREGORY CALIWAG

This page provides the complete NPI Profile along with additional information for Gregory Caliwag, a provider established in Apo, with a medical specialization in Nurse Anesthetist, Certified Registered. The healthcare provider is registered in the NPI registry with number 1588211387 assigned on August 2019. The practitioner's primary taxonomy code is 367500000X with license number 95001600 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1588211387
Provider Name
GREGORY CALIWAG RN
Gender
Male
Entity Type
Individual
Location Address
UNIT 2060 APO, AP 96278
Location Phone
(315) 784-7190
Mailing Address
UNIT 2060 APO, AP 96278
Is Sole Proprietor?
No
Enumeration Date
08-26-2019
Last Update Date
09-11-2025
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Location Map

Secondary Locations

  • BRIAN D. ALLGOOD ARMY COMMUNITY HOSPITAL (BDAACH) UNIT #15245 BLDG 3031
    APO, AP 96271
    (315) 737-2019

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.
95001600
License State
CA
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.

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)
1163W00000XNursing Service Providers

Registered Nurse

843482 (CA)

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Anesthesia for lens surgery

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

This service was performed 14 times for 14 patients

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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 1588211387, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
5
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
7
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 2 → 4 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 4 + 1 + 2 + 3 + 1 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1588211387.

Other Providers at the Same Location


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

Military Health Care Provider (Independent Duty Medical Technicians)
UNIT 2060
APO, AP 96278
Occupational Therapist
UNIT 2060
APO, AP 96278
Nurse Practitioner (Family)
UNIT 2060
APO, AP 96278
Military Health Care Provider (Independent Duty Medical Technicians)
UNIT 2060
APO, AP 96278
Dentist
UNIT 2060
APO, AP 96278
Nurse Anesthetist, Certified Registered
UNIT 2060
APO, AP 96278
Physical Therapist (Orthopedic)
UNIT 2060
APO, AP 96278
Nurse Practitioner (Family)
UNIT 2060
APO, AP 96278
Nurse Practitioner (Women's Health)
UNIT 2060
APO, AP 96278
Registered Nurse
UNIT 2060
APO, AP 96278
Pharmacist
UNIT 2060
APO, AP 96278
Military/U.S. Coast Guard Pharmacy
UNIT 2060, BLDG 777 RM UF 04
APO, AP 96278
Emergency Medicine
UNIT 2060
APO, AP 96278
Dentist (General Practice)
UNIT 2060
APO, AP 96278
Emergency Medicine
UNIT 2060
APO, AP 96278
Preventive Medicine (Aerospace Medicine)
UNIT 2060
APO, AP 96278
Nurse Practitioner (Family)
UNIT 2060
APO, AP 96278
Social Worker (Clinical)
UNIT 2060
APO, AP 96278
Dentist (General Practice)
UNIT 2060
APO, AP 96278
Nurse Practitioner (Family)
UNIT 2060
APO, AP 96278

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588211387, enumerated as an "individual" on August 26, 2019.

The provider is located at UNIT 2060 APO, AP 96278 and the phone number is (315) 784-7190.

Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.