Dr. Jon P. Nielsen, MD, MPH
- Medicare services, 2024
- 1,985
- Medicare patients, 2024
- 1,659
- Hospital affiliations
- 6
- Industry payments
- $21
- Medical groups
- 8
- Practice address
- 79-1019 Haukapila Street, Kealakekua, HI 96750
- Practice phone
- Call (808) 322-9311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nielsen'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. Jon P. Nielsen is a diagnostic radiologist in Kealakekua, Hawaii
Dr. Nielsen practices at Kona Community Hospital in Kealakekua, Hawaii, part of State of Hawaiʻi.
Dr. Nielsen's NPI, 1851684120, was assigned on May 19, 2011. Dr. Nielsen graduated from New York Medical College in 2010. Dr. Nielsen holds Colorado license DR.0055006.
- NPI
- 1851684120NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254647829
- NPI enumeration date
- May 19, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 322-9311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jon P. Nielsen practices at Kona Community Hospital in Kealakekua, Hawaii
Dr. Nielsen's primary practice is Kona Community Hospital, at 79-1019 Haukapila Street, Kealakekua, HI 96750 in Hawaii County. The practice phone is (808) 322-9311.
- Kona Community Hospital79-1019 Haukapila Street, Kealakekua, HI 96750 · Hawaii CountyPhone(808) 322-9311
Source: Dmand AI Affiliation Data
Dr. Jon P. Nielsen is affiliated with 12 sites of care and 8 medical groups
Dr. Nielsen's primary practice is Kona Community Hospital in Kealakekua, Hawaii, part of State of Hawaiʻi. Dr. Nielsen is also affiliated with AdventHealth Littleton. The medical group on file is Radiology Imaging Associates. Dmand AI also links Dr. Nielsen to 4 more hospitals, 7 medical groups and 6 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. Jon P. Nielsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nielsen practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kona Community Hospital | Available with a free account |
| +11 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jon P. Nielsen is one of 159 diagnostic radiologists in Hawaii
Diagnostic radiology is Dr. Nielsen's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Nielsen is licensed in Colorado.
Specialties and state licenses
- Diagnostic radiology, ColoradoPrimary
Diagnostic radiologists near Dr. Nielsen
Counts of diagnostic radiologists 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. Jon P. Nielsen billed Medicare for 1,985 services in 2024
CMS data shows 1,985 Medicare services from Dr. Nielsen across 26 procedure codes in 2024, for 1,659 Medicare patients. Medicare paid $54,189 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nielsen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 8632024: 1,960127%
- Tests and treatments
- 2023: 762024: 2567%
Dr. Nielsen compared with the Hawaii median for diagnostic radiologists, 2024
- Dr. Nielsen
- Hawaii median
- Medicare services
- 1,985vs 2,38917% below
- Medicare patients
- 1,659vs 1,615Close to median
Medians across 156 diagnostic radiologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Nielsen'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. Nielsen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nielsen and other diagnostic radiologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jon P. Nielsen treated 1,659 Medicare patients in 2024, average age 76
CMS counts 1,659 Medicare patients who saw Dr. Nielsen in 2024. The largest group is 75 to 84, with 598 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.06, 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. Nielsen's median patient age at 55, with 55% women.
Dr. Nielsen's Medicare patients by age, 2024
Dr. Nielsen's Medicare patients by sex, 2024
- Women89954%
- Men76046%
Chronic conditions among Dr. Nielsen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Chronic kidney disease41%
- Ischemic heart disease41%
- Mood disorders40%
- Heart failure39%
- Atrial fibrillation36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nielsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Jon P. Nielsen takes part in Medicare
Dr. Nielsen 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. Jon P. Nielsen received $21 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Nielsen from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $21.
Companies that paid Dr. Nielsen the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jon P. Nielsen graduated from New York Medical College
Dr. Nielsen graduated from New York Medical College in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jon P. Nielsen'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. Jon P. Nielsen
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. Jon P. Nielsen's NPI number?
Dr. Jon P. Nielsen's NPI number is 1851684120. It was assigned on May 19, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Jon P. Nielsen?
Dr. Jon P. Nielsen is a diagnostic radiologist in Kealakekua, Hawaii. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Jon P. Nielsen practice?
Dr. Nielsen practices at 79-1019 Haukapila Street, Kealakekua, HI 96750. Dr. Nielsen's primary practice is Kona Community Hospital in Kealakekua, Hawaii, part of State of Hawaiʻi. Dmand AI also links Dr. Nielsen to 4 hospitals, 7 medical groups and 6 group practices and clinics.
What is Dr. Jon P. Nielsen's office phone number?
The practice phone on file for Dr. Nielsen is (808) 322-9311.
What is Dr. Jon P. Nielsen's medical license number?
Dr. Nielsen holds Colorado license DR.0055006.
Which hospitals is Dr. Jon P. Nielsen affiliated with?
Dr. Nielsen practices at Kona Community Hospital in Kealakekua, Hawaii. Dr. Nielsen is also affiliated with AdventHealth Littleton. Dmand AI links Dr. Nielsen to 4 more hospitals.
What medical group is Dr. Jon P. Nielsen part of?
Dr. Nielsen is linked to Radiology Imaging Associates. Dmand AI links Dr. Nielsen to 7 more medical groups.
Does Dr. Jon P. Nielsen accept Medicare?
Yes. CMS data shows Dr. Nielsen billed Medicare for 1,985 services in 2024, and Dr. Nielsen accepts Medicare assignment.
How many Medicare patients does Dr. Jon P. Nielsen see?
CMS counts 1,659 Medicare patients who saw Dr. Nielsen in 2024, with an average age of 76.
What services does Dr. Jon P. Nielsen bill to Medicare?
In 2024, Dr. Nielsen's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (74177) and diagnostic imaging (71275).
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Where did Dr. Jon P. Nielsen go to medical school?
Dr. Nielsen graduated from New York Medical College in 2010.
Has Dr. Jon P. Nielsen received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Nielsen from 1 company from 2017 to 2017. The largest total came from Hologic Inc.
How long has Dr. Jon P. Nielsen been practicing?
Dr. Nielsen graduated from medical school in 2010, 16 years ago.
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