Dr. Jeff S. Nabonsal, MD
- Medicare services, 2020
- 167
- Medicare patients, 2024
- 37
- Hospital affiliations
- 1
- Industry payments
- $186
- Medical groups
- 6
- Practice address
- 1190 Waianuenue Avenue, Hilo, HI 96720
- Practice phone
- Call (808) 932-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nabonsal'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. Jeff S. Nabonsal is an anesthesiologist in Hilo, Hawaii
Dr. Nabonsal practices at Hilo Benioff Medical Center in Hilo, Hawaii, part of State of Hawaiʻi.
Dr. Nabonsal's NPI, 1790731842, was assigned on May 26, 2006. Dr. Nabonsal graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1990. Dr. Nabonsal holds Virginia license 0101251421.
- NPI
- 1790731842NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810912029
- NPI enumeration date
- May 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 932-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeff S. Nabonsal practices at Hilo Benioff Medical Center in Hilo, Hawaii
Dr. Nabonsal's primary practice is Hilo Benioff Medical Center, at 1190 Waianuenue Avenue, Hilo, HI 96720 in Hawaii County. The practice phone is (808) 932-3000.
- Hilo Benioff Medical Center1190 Waianuenue Avenue, Hilo, HI 96720 · Hawaii CountyPhone(808) 932-3000
Source: Dmand AI Affiliation Data
Dr. Jeff S. Nabonsal is affiliated with 3 sites of care and 6 medical groups
Dr. Nabonsal's primary practice is Hilo Benioff Medical Center in Hilo, Hawaii, part of State of Hawaiʻi. The medical group on file is MedStream Anesthesia PLLC. Dmand AI also links Dr. Nabonsal to 5 more medical groups and 2 group practices and clinics, 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. Jeff S. Nabonsal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nabonsal practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hilo Benioff Medical Center | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeff S. Nabonsal is one of 224 anesthesiologists in Hawaii
Anesthesiology is Dr. Nabonsal's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Nabonsal is licensed in Virginia.
Specialties and state licenses
- Anesthesiology, VirginiaPrimary
Anesthesiologists near Dr. Nabonsal
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. Jeff S. Nabonsal billed Medicare for 167 services in 2020
CMS data shows 167 Medicare services from Dr. Nabonsal across 6 procedure codes in 2020, for 37 Medicare patients. Medicare paid $11,839 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nabonsal's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Anesthesia
- 2019: 1092020: 16753%
- Imaging
- 2019: 152020: 0100%
Dr. Nabonsal compared with the Hawaii median for anesthesiologists, 2020
- Dr. Nabonsal
- Hawaii median
- Medicare services
- 167vs 473.6 times
- Medicare patients
- 37vs 11066% below
Medians across 195 anesthesiologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Nabonsal's most billed Medicare procedure codes, 2020
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. Nabonsal?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nabonsal and other anesthesiologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeff S. Nabonsal treated 37 Medicare patients in 2024, average age 77
CMS counts 37 Medicare patients who saw Dr. Nabonsal in 2024. The largest group is 75 to 84, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Nabonsal's median patient age at 58, with 42% women.
Dr. Nabonsal's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nabonsal's Medicare patients by sex, 2024
- Women1746%
- Men2054%
Chronic conditions among Dr. Nabonsal's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety57%
- Chronic kidney disease54%
- Mood disorders54%
- Arthritis49%
- Depression49%
- Ischemic heart disease49%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nabonsal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Jeff S. Nabonsal takes part in Medicare
Dr. Nabonsal 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. Jeff S. Nabonsal received $186 in industry payments from 2016 to 2018
CMS Open Payments shows 3 general payments to Dr. Nabonsal from 3 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $97.
General payments to Dr. Nabonsal by program year, 2016 to 2018
Companies that paid Dr. Nabonsal the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeff S. Nabonsal graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Nabonsal graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeff S. Nabonsal'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) |
| Industry payments | Open Payments (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. Jeff S. Nabonsal
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. Jeff S. Nabonsal's NPI number?
Dr. Jeff S. Nabonsal's NPI number is 1790731842. It was assigned on May 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeff S. Nabonsal?
Dr. Jeff S. Nabonsal is an anesthesiologist in Hilo, Hawaii. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Jeff S. Nabonsal practice?
Dr. Nabonsal practices at 1190 Waianuenue Avenue, Hilo, HI 96720. Dr. Nabonsal's primary practice is Hilo Benioff Medical Center in Hilo, Hawaii, part of State of Hawaiʻi. Dmand AI also links Dr. Nabonsal to 5 medical groups and 2 group practices and clinics.
What is Dr. Jeff S. Nabonsal's office phone number?
The practice phone on file for Dr. Nabonsal is (808) 932-3000.
What is Dr. Jeff S. Nabonsal's medical license number?
Dr. Nabonsal holds Virginia license 0101251421.
Which hospitals is Dr. Jeff S. Nabonsal affiliated with?
Dr. Nabonsal practices at Hilo Benioff Medical Center in Hilo, Hawaii.
What medical group is Dr. Jeff S. Nabonsal part of?
Dr. Nabonsal is linked to MedStream Anesthesia PLLC. Dmand AI links Dr. Nabonsal to 5 more medical groups.
Does Dr. Jeff S. Nabonsal accept Medicare?
Yes. CMS data shows Dr. Nabonsal billed Medicare for 167 services in 2020, and Dr. Nabonsal accepts Medicare assignment.
How many Medicare patients does Dr. Jeff S. Nabonsal see?
CMS counts 37 Medicare patients who saw Dr. Nabonsal in 2024, with an average age of 77.
What services does Dr. Jeff S. Nabonsal bill to Medicare?
In 2020, Dr. Nabonsal's most billed Medicare services were anesthesia (00142), anesthesia (00731) and anesthesia (00811).
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Where did Dr. Jeff S. Nabonsal go to medical school?
Dr. Nabonsal graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1990.
Has Dr. Jeff S. Nabonsal received payments from drug or device companies?
CMS Open Payments shows $186 in general payments to Dr. Nabonsal from 3 companies from 2016 to 2018. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Jeff S. Nabonsal been practicing?
Dr. Nabonsal graduated from medical school in 1990, 36 years ago.
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