DR. ANDREW CHARLES GJELSTEEN M.D.
NPI 1396728226
Radiology - Diagnostic Radiology in Tripler Amc, HI
NPI Status: Active since November 23, 2005
Contact Information
1 JARRETT WHITE RD
DEPARTMENT OF RADIOLOGY (MCHK-DR)
TRIPLER AMC, HI
ZIP 96859
Phone: (808) 433-6587
- Individual
- Male
- Radiology
- Diagnostic Radiology
About ANDREW GJELSTEEN
This page provides the complete NPI Profile along with additional information for Andrew Gjelsteen, a provider established in Tripler Amc, Hawaii with a medical specialization in Radiology, focusing in diagnostic radiology . The healthcare provider is registered in the NPI registry with number 1396728226 assigned on November 2005. The practitioner's primary taxonomy code is 2085R0202X with license number MD-10472 (HI). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1396728226
- Provider Name
- DR. ANDREW CHARLES GJELSTEEN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1 JARRETT WHITE RD DEPARTMENT OF RADIOLOGY (MCHK-DR) TRIPLER AMC, HI 96859
- Location Phone
- (808) 433-6587
- Mailing Address
- PO BOX 30186 HONOLULU, HI 96820
- Mailing Phone
- (808) 433-6587
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-23-2005
- Last Update Date
- 06-25-2025
- Code Navigator
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
Radiology Diagnostic Radiology
- Taxonomy Code
- 2085R0202X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD-10472
- License State
- HI
- Taxonomy Description
- A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
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) |
|---|---|---|---|---|
| 1 | 2085N0904X | Allopathic & Osteopathic Physicians | Radiology | MD-10472 (HI) |
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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 1396728226, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 64 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
TRIPLER ARMY MEDICAL CENTER, HI 96859
TAMC, HI 96859
TRIPLER AMC, HI 96859
TRIPLER AMC, HI 96859
TRIPLER AMC, HI 96859
TRIPLER AMC, HI 96859
TAMC, HI 96859
TAMC, HI 96859
TRIPLER AMC, HI 96859
TRIPLER AMC, HI 96859
TRIPLER AMC, HI 96859
TRIPLER AMC, HI 96859
TRIPLER AMC, HI 96859
TRIPLER AMC, HI 96859
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1396728226, enumerated as an "individual" on November 23, 2005.
The provider is located at 1 JARRETT WHITE RD DEPARTMENT OF RADIOLOGY (MCHK-DR) TRIPLER AMC, HI 96859 and the phone number is (808) 433-6587.
Radiology with taxonomy code 2085R0202X and a focus in Diagnostic Radiology.
