MR. NAOYUKI KAKEI M.D.
NPI 1679403620
Student in an Organized Health Care Education/Training Program in Honolulu, HI

NPI Status: Active since May 21, 2026

Contact Information

1301 PUNCHBOWL STREET
HONOLULU, HI
ZIP 96813
Phone: (808) 691-1000

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  • Individual
  • Male
  • Student in an Organized Health Care Educ...

About NAOYUKI KAKEI

This page provides the complete NPI Profile along with additional information for Naoyuki Kakei, a primary care provider established in Honolulu, Hawaii with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1679403620 assigned on May 2026. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1679403620
Provider Name
MR. NAOYUKI KAKEI M.D.
Gender
Male
Entity Type
Individual
Location Address
1301 PUNCHBOWL STREET HONOLULU, HI 96813
Location Phone
(808) 691-1000
Mailing Address
1356 LUSITANA STREET UNIVERSITY TOWER, 7TH FLOOR HONOLULU, HI 96813
Mailing Phone
(808) 586-2910
Is Sole Proprietor?
No
Enumeration Date
05-21-2026
Last Update Date
05-21-2026
Code Navigator

A primary care provider (PCP) like Naoyuki Kakei sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

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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 1679403620, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
2
Doubled → 4
Check
0
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 7 → 14 → 5 4 → 8 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 8 + 0 + 6 + 6 + 4 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1679403620.

Other Providers at the Same Location


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

Specialist
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Specialist
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Dentist
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Pharmacist
1301 PUNCHBOWL STREET, QUEEN EMMA CLINIC
HONOLULU, HI 96813
General Practice
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Specialist
1301 PUNCHBOWL STREET, OPERATING ROOMS, 3RD FLOOR,
HONOLULU, HI 96813
Nurse Practitioner (Family)
1301 PUNCHBOWL STREET, THE QUEENS MEDICAL CENTER
HONOLULU, HI 96813
Nurse Practitioner (Acute Care)
1301 PUNCHBOWL STREET, HARKNESS 103 THE QUEEN'S MEDICAL CENTER
HONOLULU, HI 96813
Dentist (Dental Public Health)
1301 PUNCHBOWL STREET, THE QUEEN'S MEDICAL CENTER
HONOLULU, HI 96813
Hospitalist
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Hospitalist
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Hospitalist
1301 PUNCHBOWL STREET, QUEEN'S MEDICAL CENTER
HONOLULU, HI 96813
Anesthesiology
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Dentist (Pediatric Dentistry)
1301 PUNCHBOWL STREET, QUEENS MEDICAL CENTER- DENTAL CLINIC
HONOLULU, HI 96813
Internal Medicine (Critical Care Medicine)
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Internal Medicine (Pulmonary Disease)
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Hospitalist
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Family Medicine
1301 PUNCHBOWL STREET
HONOLULU, HI 96813
Emergency Medicine
1301 PUNCHBOWL STREET, THE QUEEN'S MEDICAL CENTER - EMERGENCY DEPT.
HONOLULU, HI 96813
Pathology (Anatomic Pathology & Clinical Pathology)
1301 PUNCHBOWL STREET, IOLANI 4 PATHOLOGY
HONOLULU, HI 96813

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679403620, enumerated as an "individual" on May 21, 2026.

The provider is located at 1301 PUNCHBOWL STREET HONOLULU, HI 96813 and the phone number is (808) 691-1000.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.