Dr. John Sommerfeldt, MD
- Part D claims, 2024
- 60
- Hospital affiliations
- 1
- Industry payments
- $2,935
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 1 Jarrett White Rd, Honolulu, HI 96859
- Practice phone
- Call (808) 433-2778
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sommerfeldt's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Sommerfeldt is an otolaryngologist in Tripler Army Medical Center, Hawaii
Dr. Sommerfeldt practices at Tripler Army Medical Center in Honolulu, Hawaii, part of United States Department of War.
Dr. Sommerfeldt's NPI, 1093341240, was assigned on March 19, 2020. Dr. Sommerfeldt holds Hawaii license MD-22347.
- NPI
- 1093341240NPI Registry (opens in a new tab)
- NPI enumeration date
- March 19, 2020
- NPI status
- Active
- Practice phone
- (808) 433-2778
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John Sommerfeldt practices at Tripler Army Medical Center in Honolulu, Hawaii
Dr. Sommerfeldt's primary practice is Tripler Army Medical Center, at 1 Jarrett White Rd, Honolulu, HI 96859 in Honolulu County. The practice phone is (808) 433-2778.
- Tripler Army Medical Center1 Jarrett White Rd, Honolulu, HI 96859 · Honolulu CountyPhone(808) 433-2778
Source: Dmand AI Affiliation Data
Dr. John Sommerfeldt is affiliated with 1 site of care
Dr. Sommerfeldt's primary practice is Tripler Army Medical Center in Honolulu, Hawaii, part of United States Department of War. Dr. Sommerfeldt's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Sommerfeldt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sommerfeldt practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tripler Army Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Sommerfeldt is one of 41 otolaryngologists in Hawaii
Otolaryngology is Dr. Sommerfeldt's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Sommerfeldt is licensed in Hawaii.
Specialties and state licenses
- Otolaryngology, HawaiiPrimary
Otolaryngologists near Dr. Sommerfeldt
Counts of otolaryngologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Sommerfeldt's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Sommerfeldt's median patient age at 52, with 18% women.
Dr. Sommerfeldt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women18%
- Men82%
Source: Dmand AI Patient Panel Data
Dr. John Sommerfeldt wrote 60 Medicare Part D claims in 2024
In 2024, Dr. Sommerfeldt wrote 60 Medicare Part D claims for 38 patients. 95% of them were for generic drugs. CMS names the drug for 24 of them, across 1 drug with 11 or more claims each, at $86 in total drug cost. In 2023, CMS named 22 claims across 1 drug.
Dr. Sommerfeldt's Part D claims by kind of drug, 2024
- Generic57 claims95%
- Brand-name and other3 claims5%
Dr. Sommerfeldt's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sommerfeldt's Part D claims, 2024
- Opioids40%24 of 60 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 222024: 249%
Drugs named by CMS: 1 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. John Sommerfeldt received $2,935 in industry payments from 2023 to 2025
CMS Open Payments shows 20 general payments to Dr. Sommerfeldt from 3 drug and device companies from 2023 to 2025. Travel and lodging make up the largest share, 61% of the total. Inspire Medical Systems, Inc. paid the most, $2,821.
General payments to Dr. Sommerfeldt by program year, 2023 to 2025
General payments to Dr. Sommerfeldt by kind, 2023 to 2025
- Travel and lodging$1,80161%
- Food and beverage$1,13439%
Companies that paid Dr. Sommerfeldt the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Sommerfeldt's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Sommerfeldt
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Sommerfeldt's NPI number?
Dr. John Sommerfeldt's NPI number is 1093341240. It was assigned on March 19, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. John Sommerfeldt?
Dr. John Sommerfeldt is an otolaryngologist in Tripler Army Medical Center, Hawaii. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. John Sommerfeldt practice?
Dr. Sommerfeldt practices at 1 Jarrett White Rd, Honolulu, HI 96859. Dr. Sommerfeldt's primary practice is Tripler Army Medical Center in Honolulu, Hawaii, part of United States Department of War.
What is Dr. John Sommerfeldt's office phone number?
The practice phone on file for Dr. Sommerfeldt is (808) 433-2778.
What is Dr. John Sommerfeldt's medical license number?
Dr. Sommerfeldt holds Hawaii license MD-22347.
Which hospitals is Dr. John Sommerfeldt affiliated with?
Dr. Sommerfeldt practices at Tripler Army Medical Center in Honolulu, Hawaii.
What drugs does Dr. John Sommerfeldt prescribe most?
In 2024 Medicare Part D data, Dr. Sommerfeldt's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. John Sommerfeldt received payments from drug or device companies?
CMS Open Payments shows $2,935 in general payments to Dr. Sommerfeldt from 3 companies from 2023 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Dr. John Sommerfeldt been practicing?
Dr. Sommerfeldt's NPI was assigned in 2020.
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