JOHN SOMMERFELDT MD
NPI 1093341240
Otolaryngology in Tripler Army Medical Center, HI

NPI Status: Active since March 19, 2020

Contact Information

1 JARRETT WHITE RD
TRIPLER ARMY MEDICAL CENTER, HI
ZIP 96859
Phone: (808) 433-5334

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  • Individual
  • Male
  • Otolaryngology

About JOHN SOMMERFELDT

This page provides the complete NPI Profile along with additional information for John Sommerfeldt, a provider established in Tripler Army Medical Center, Hawaii with a medical specialization in Otolaryngology. The healthcare provider is registered in the NPI registry with number 1093341240 assigned on March 2020. The practitioner's primary taxonomy code is 207Y00000X with license number MD-22347 (HI). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1093341240
Provider Name
JOHN SOMMERFELDT MD
Gender
Male
Entity Type
Individual
Location Address
1 JARRETT WHITE RD TRIPLER ARMY MEDICAL CENTER, HI 96859
Location Phone
(808) 433-5334
Mailing Address
1 JARRETT WHITE RD TRIPLER ARMY MEDICAL CENTER, HI 96859
Is Sole Proprietor?
No
Enumeration Date
03-19-2020
Last Update Date
03-06-2025
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Location Map

Secondary Locations

  • 8901 Rockville Pike
    Bethesda, MD 20889
    (215) 760-3300

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

Otolaryngology

Taxonomy Code
207Y00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD-22347
License State
HI
Taxonomy Description
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

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)
1208D00000XAllopathic & Osteopathic Physicians

General Practice

MD-22347 (HI)
2390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1093341240, 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 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
0
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
3
Unchanged
Pos 5
3
Doubled → 6
Pos 6
4
Unchanged
Pos 7
1
Doubled → 2
Pos 8
2
Unchanged
Pos 9
4
Doubled → 8
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 9 → 18 → 9 3 → 6 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 8 + 3 + 6 + 4 + 2 + 2 + 8 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1093341240.

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 1093341240, enumerated as an "individual" on March 19, 2020.

The provider is located at 1 JARRETT WHITE RD TRIPLER ARMY MEDICAL CENTER, HI 96859 and the phone number is (808) 433-5334.

Otolaryngology with taxonomy code 207Y00000X.