CHARLES BEHNFIELD MD
NPI 1669978839
Ophthalmology in Tripler Amc, HI

NPI Status: Active since April 04, 2018

Contact Information

1 JARRETT WHITE RD
TRIPLER AMC, HI
ZIP 96859
Phone: (808) 433-5000

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  • Individual
  • Male
  • Ophthalmology

About CHARLES BEHNFIELD

This page provides the complete NPI Profile along with additional information for Charles Behnfield, a provider established in Tripler Amc, Hawaii with a medical specialization in Ophthalmology. The healthcare provider is registered in the NPI registry with number 1669978839 assigned on April 2018. The practitioner's primary taxonomy code is 207W00000X with license number 32006 (NE). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1669978839
Provider Name
CHARLES BEHNFIELD MD
Gender
Male
Entity Type
Individual
Location Address
1 JARRETT WHITE RD TRIPLER AMC, HI 96859
Location Phone
(808) 433-5000
Mailing Address
1 JARRETT WHITE RD TRIPLER AMC, HI 96859
Mailing Phone
(808) 433-5000
Is Sole Proprietor?
No
Enumeration Date
04-04-2018
Last Update Date
08-05-2025
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Ophthalmologists like Charles Behnfield specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
32006
License State
NE
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

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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 1669978839, we treat the final digit (9) 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 81. The final step is to find the difference between that total and the next multiple of ten (90 - 81 = 9).

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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
9
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 6 → 12 → 3 9 → 18 → 9 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 8 + 7 + 1 + 6 + 8 + 6 + 24 = 81

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

The next multiple of ten after 81 is 90. The difference is the calculated check digit.

90 - 81 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1669978839.

Other Providers at the Same Location


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

Hospitalist
1 JARRETT WHITE RD, DEPT OF MEDICINE (MCHK-DM)
TRIPLER ARMY MEDICAL CENTER, HI 96859
Registered Nurse
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER
TAMC, HI 96859
Registered Nurse (Medical-Surgical)
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER
TRIPLER AMC, HI 96859
Nurse Anesthetist, Certified Registered
1 JARRETT WHITE RD, ATTN: MCHK-QS
TRIPLER AMC, HI 96859
Licensed Practical Nurse
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER ATTN: MCHK-QS
TRIPLER AMC, HI 96859
Internal Medicine (Hematology & Oncology)
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER, ATTN:MCHK-QS
TRIPLER AMC, HI 96859
Registered Nurse
1 JARRETT WHITE RD, AMC
TAMC, HI 96859
Internal Medicine (Pulmonary Disease)
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER
TAMC, HI 96859
Internal Medicine (Hematology & Oncology)
1 JARRETT WHITE RD, MCHK-DMO, TAMC
TAMC, HI 96859
Clinical Nurse Specialist (Psychiatric/Mental Health, Adult)
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER ATTN:MCHK-QS
TRIPLER AMC, HI 96859
Pathology (Anatomic Pathology & Clinical Pathology)
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER
TRIPLER AMC, HI 96859
Marriage & Family Therapist
1 JARRETT WHITE RD, TRIPLER ARMY MEDIAL CENTER ATTN: MCHK-QS
TRIPLER AMC, HI 96859
Registered Nurse
1 JARRETT WHITE RD
TAMC, HI 96859
Physical Therapist (Orthopedic)
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER
TRIPLER AMC, HI 96859
Pediatrics
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER
TRIPLER AMC, HI 96859
Dietitian, Registered
1 JARRETT WHITE RD, TRIPLER AMC
TRIPLER AMC, HI 96859
Social Worker (Clinical)
1 JARRETT WHITE RD, TRIPLER ARMY MEDICAL CENTER ATTN: MCHK-QS
TRIPLER AMC, HI 96859
Radiology (Diagnostic Radiology)
1 JARRETT WHITE RD
TAMC, HI 96859
Internal Medicine
1 JARRETT WHITE RD
TAMC, HI 96859
Optometrist
1 JARRETT WHITE RD, OPTOMETRY SERVICE
TRIPLER AMC, HI 96859

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669978839, enumerated as an "individual" on April 04, 2018.

The provider is located at 1 JARRETT WHITE RD TRIPLER AMC, HI 96859 and the phone number is (808) 433-5000.

Ophthalmology with taxonomy code 207W00000X.