Dr. Jason Charles Viereck, MD
- Medicare services, 2024
- 637
- Medicare patients, 2024
- 281
- Part D claims, 2024
- 236
- MIPS score, 2024
- 89
- Hospital affiliations
- 4
- Practice address
- 640 Ulukahiki St, Kailua, HI 96734
- Practice phone
- Call (808) 263-5015
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Viereck's professional email, personal email and mobile number
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Dr. Jason Charles Viereck is a neurologist in Kailua, Hawaii
Dr. Viereck practices at Adventist Health Castle in Kailua, Hawaii, part of Adventist Health.
Dr. Viereck's NPI, 1205898202, was assigned on April 5, 2006. Dr. Viereck graduated from Saint Louis University School of Medicine in 1993. Dr. Viereck holds Massachusetts license 158808.
- NPI
- 1205898202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577610161
- NPI enumeration date
- April 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (808) 263-5015
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jason Charles Viereck practices at Adventist Health Castle in Kailua, Hawaii
Dr. Viereck's primary practice is Adventist Health Castle, at 640 Ulukahiki St, Kailua, HI 96734 in Honolulu County. The practice phone is (808) 263-5015.
- Adventist Health Castle640 Ulukahiki St, Kailua, HI 96734 · Honolulu CountyPhone(808) 263-5015
Source: Dmand AI Affiliation Data
Dr. Jason Charles Viereck is affiliated with 4 sites of care and 2 medical groups
Dr. Viereck's primary practice is Adventist Health Castle in Kailua, Hawaii, part of Adventist Health. Dr. Viereck is also affiliated with The Queen's Medical Center. The medical group on file is Adventist Health Castle Medical Center. Dmand AI also links Dr. Viereck to 2 more hospitals and 1 medical group, each named with a free account. Dr. Viereck'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. Jason Charles Viereck's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Viereck practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Castle | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jason Charles Viereck is one of 63 neurologists in Hawaii
Neurology is Dr. Viereck's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Viereck is licensed in Massachusetts.
Specialties and state licenses
- Neurology, MassachusettsPrimary
Neurologists near Dr. Viereck
Counts of neurologists 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. Jason Charles Viereck billed Medicare for 637 services in 2024
CMS data shows 637 Medicare services from Dr. Viereck across 8 procedure codes in 2024, for 281 Medicare patients. Medicare paid $50,303 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Viereck's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6332024: 6371%
- Other services
- 2023: 222024: 0100%
Dr. Viereck compared with the Hawaii median for neurologists, 2024
- Dr. Viereck
- Hawaii median
- Medicare services
- 637vs 39860% above
- Medicare patients
- 281vs 18354% above
- Part D claims
- 136vs 74482% below
Medians across 56 neurologists in Hawaii with Dmand AI profiles that report each measure.
Dr. Viereck'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Viereck and other neurologists in Hawaii.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jason Charles Viereck treated 281 Medicare patients in 2024, average age 78
CMS counts 281 Medicare patients who saw Dr. Viereck in 2024. The largest group is 75 to 84, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.60, 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. Viereck's median patient age at 75, with 58% women.
Dr. Viereck's Medicare patients by age, 2024
Dr. Viereck's Medicare patients by sex, 2024
- Women15856%
- Men12344%
Chronic conditions among Dr. Viereck's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Stroke or TIA44%
- Diabetes40%
- Chronic kidney disease39%
- Ischemic heart disease31%
- Atrial fibrillation30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Viereck's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jason Charles Viereck wrote 236 Medicare Part D claims in 2024
In 2024, Dr. Viereck wrote 236 Medicare Part D claims for 85 patients. 74% of them were for generic drugs. CMS names the drug for 136 of them, across 6 drugs with 11 or more claims each, at $130,084 in total drug cost. In 2023, CMS named 1,036 claims across 27 drugs.
Dr. Viereck's Part D claims by kind of drug, 2024
- Generic175 claims74%
- Brand-name61 claims26%
Dr. Viereck'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0362024: 13687%
Drugs named by CMS: 6 in 2024, 27 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
Dr. Jason Charles Viereck scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Viereck for performance year 2024, reported as part of a group. Dr. Viereck accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Viereck's MIPS scores, performance year 2024
- 89of 100Final score
- 89.2of 100Quality
- 40of 100Improvement Activities
- 79of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jason Charles Viereck received $6,195 in industry payments from 2016 to 2025
CMS Open Payments shows 160 general payments to Dr. Viereck from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 63% of the total. Medtronic USA, Inc. paid the most, $2,776.
General payments to Dr. Viereck by program year, 2016 to 2025
General payments to Dr. Viereck by kind, 2016 to 2025
- Food and beverage$3,91163%
- Travel and lodging$2,21836%
- Education$411%
- Speaker and faculty fees$250%
Companies that paid Dr. Viereck the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jason Charles Viereck graduated from Saint Louis University School of Medicine
Dr. Viereck graduated from Saint Louis University School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jason Charles Viereck'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) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Jason Charles Viereck
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. Jason Charles Viereck's NPI number?
Dr. Jason Charles Viereck's NPI number is 1205898202. It was assigned on April 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jason Charles Viereck?
Dr. Jason Charles Viereck is a neurologist in Kailua, Hawaii. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Jason Charles Viereck practice?
Dr. Viereck practices at 640 Ulukahiki St, Kailua, HI 96734. Dr. Viereck's primary practice is Adventist Health Castle in Kailua, Hawaii, part of Adventist Health. Dmand AI also links Dr. Viereck to 2 hospitals and 1 medical group.
What is Dr. Jason Charles Viereck's office phone number?
The practice phone on file for Dr. Viereck is (808) 263-5015.
What is Dr. Jason Charles Viereck's medical license number?
Dr. Viereck holds Massachusetts license 158808.
Which hospitals is Dr. Jason Charles Viereck affiliated with?
Dr. Viereck practices at Adventist Health Castle in Kailua, Hawaii. Dr. Viereck is also affiliated with The Queen's Medical Center. Dmand AI links Dr. Viereck to 2 more hospitals.
What medical group is Dr. Jason Charles Viereck part of?
Dr. Viereck is linked to Adventist Health Castle Medical Center. Dmand AI links Dr. Viereck to 1 more medical group.
Does Dr. Jason Charles Viereck accept Medicare?
Yes. CMS data shows Dr. Viereck billed Medicare for 637 services in 2024, and Dr. Viereck accepts Medicare assignment.
What is Dr. Jason Charles Viereck's MIPS score?
Dr. Viereck's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jason Charles Viereck see?
CMS counts 281 Medicare patients who saw Dr. Viereck in 2024, with an average age of 78.
Show 5 more questionsShow fewer questions
What services does Dr. Jason Charles Viereck bill to Medicare?
In 2024, Dr. Viereck's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, new patient (99204).
Where did Dr. Jason Charles Viereck go to medical school?
Dr. Viereck graduated from Saint Louis University School of Medicine in 1993.
What drugs does Dr. Jason Charles Viereck prescribe most?
In 2024 Medicare Part D data, Dr. Viereck's most prescribed drugs by claims were Carbidopa-Levodopa, Privigen and Memantine HCl.
Has Dr. Jason Charles Viereck received payments from drug or device companies?
CMS Open Payments shows $6,195 in general payments to Dr. Viereck from 39 companies from 2016 to 2025. The largest total came from Medtronic USA, Inc.
How long has Dr. Jason Charles Viereck been practicing?
Dr. Viereck graduated from medical school in 1993, 33 years ago.
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