Dr. John M. Semenza II, MD
- Medicare services, 2024
- 69
- Medicare patients, 2024
- 157
- Hospital affiliations
- 3
- Medical groups
- 4
- State licenses
- 3
- Practice address
- 888 S King Street, Honolulu, HI 96813
- Practice phone
- Call (808) 522-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Semenza'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 M. Semenza II is an anesthesiologist in Honolulu, Hawaii
Dr. Semenza practices at Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health.
Dr. Semenza's NPI, 1427219443, was assigned on June 23, 2008. Dr. Semenza graduated from University of Hawaii John A. Burns School of Medicine in 2008. Dr. Semenza holds Hawaii license MD16918.
- NPI
- 1427219443NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284897398
- NPI enumeration date
- June 23, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 522-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John M. Semenza II practices at Straub Benioff Medical Center in Honolulu, Hawaii
Dr. Semenza's primary practice is Straub Benioff Medical Center, at 888 S King Street, Honolulu, HI 96813 in Honolulu County. The practice phone is (808) 522-4000.
- Straub Benioff Medical Center888 S King Street, Honolulu, HI 96813 · Honolulu CountyPhone(808) 522-4000
Source: Dmand AI Affiliation Data
Dr. John M. Semenza II is affiliated with 6 sites of care and 4 medical groups
Dr. Semenza's primary practice is Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health. Dr. Semenza is also affiliated with The Queen's Medical Center. The medical group on file is Straub Benioff Medical Center. Dmand AI also links Dr. Semenza to 1 more hospital, 3 group practices and clinics and 3 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John M. Semenza II's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Semenza practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Straub Benioff Medical Center | Available with a free account |
| +5 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John M. Semenza II is one of 224 anesthesiologists in Hawaii
Anesthesiology is Dr. Semenza's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Semenza's licenses on file in 3 states: Hawaii, Michigan and Oregon.
Specialties and state licenses
- Anesthesiology, HawaiiPrimary
- Student in an organized health care education/training program, Michigan
- Oregon license
Anesthesiologists near Dr. Semenza
Counts of anesthesiologists 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 M. Semenza II billed Medicare for 69 services in 2024
CMS data shows 69 Medicare services from Dr. Semenza across 4 procedure codes in 2024, for 157 Medicare patients. Medicare paid $8,254 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Semenza's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 702024: 5127%
- Surgery
- 2023: 422024: 1857%
Dr. Semenza compared with the Hawaii median for anesthesiologists, 2024
- Dr. Semenza
- Hawaii median
- Medicare services
- 69vs 4747% above
- Medicare patients
- 157vs 11043% above
Medians across 195 anesthesiologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Semenza's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Semenza?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Semenza and other anesthesiologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John M. Semenza II treated 157 Medicare patients in 2024, average age 74
CMS counts 157 Medicare patients who saw Dr. Semenza in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Semenza's median patient age at 68, with 46% women.
Dr. Semenza's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Semenza's Medicare patients by sex, 2024
- Women7850%
- Men7950%
Chronic conditions among Dr. Semenza's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis43%
- Diabetes41%
- Chronic kidney disease34%
- Anxiety24%
- Ischemic heart disease24%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Semenza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John M. Semenza II takes part in Medicare
Dr. Semenza accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John M. Semenza II graduated from University of Hawaii John A. Burns School of Medicine
Dr. Semenza graduated from University of Hawaii John A. Burns School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John M. Semenza II'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 M. Semenza II
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 M. Semenza II's NPI number?
Dr. John M. Semenza II's NPI number is 1427219443. It was assigned on June 23, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. John M. Semenza II?
Dr. John M. Semenza II is an anesthesiologist in Honolulu, Hawaii. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John M. Semenza II practice?
Dr. Semenza practices at 888 S King Street, Honolulu, HI 96813. Dr. Semenza's primary practice is Straub Benioff Medical Center in Honolulu, Hawaii, part of Hawaiʻi Pacific Health. Dmand AI also links Dr. Semenza to 1 hospital, 3 group practices and clinics and 3 medical groups.
What is Dr. John M. Semenza II's office phone number?
The practice phone on file for Dr. Semenza is (808) 522-4000.
What is Dr. John M. Semenza II's medical license number?
Dr. Semenza holds Hawaii license MD16918, one of the licenses on file in 3 states.
Which states has Dr. John M. Semenza II been licensed in?
Dmand AI has state licenses on file for Dr. Semenza in Hawaii, Michigan and Oregon.
Which hospitals is Dr. John M. Semenza II affiliated with?
Dr. Semenza practices at Straub Benioff Medical Center in Honolulu, Hawaii. Dr. Semenza is also affiliated with The Queen's Medical Center. Dmand AI links Dr. Semenza to 1 more hospital.
What medical group is Dr. John M. Semenza II part of?
Dr. Semenza is linked to Straub Benioff Medical Center. Dmand AI links Dr. Semenza to 3 more medical groups.
Does Dr. John M. Semenza II accept Medicare?
Yes. CMS data shows Dr. Semenza billed Medicare for 69 services in 2024, and Dr. Semenza accepts Medicare assignment.
How many Medicare patients does Dr. John M. Semenza II see?
CMS counts 157 Medicare patients who saw Dr. Semenza in 2024, with an average age of 74.
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What services does Dr. John M. Semenza II bill to Medicare?
In 2024, Dr. Semenza's most billed Medicare services were anesthesia (00731), anesthesia (00811) and surgery: brain, spine and nerves (64415).
Where did Dr. John M. Semenza II go to medical school?
Dr. Semenza graduated from University of Hawaii John A. Burns School of Medicine in 2008.
How long has Dr. John M. Semenza II been practicing?
Dr. Semenza graduated from medical school in 2008, 18 years ago.
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