Brian Thielen
Family Medicine Physician · Hilo, HI
Brian Thielen is a family medicine physician with a practice address in Hilo, Hawaii, and NPI 1568042885, issued on Apr 11, 2021. Check the license (Hawaii MD-24299, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Brian Thielen
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD-24299 HI
MED-PHYS-LIC-160504 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1190 Waianuenue Ave, Hilo, HI 96720
- Phone
- (808) 932-3730
- Enumerated
- Apr 11, 2021
- Record last updated
- Jan 21, 2026
- Medicare enrollment
- Enrolled (PECOS I20260225001761); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2021
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 730 in Hawaii → Look up another NPI →
Also registered at 1190 Waianuenue Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Parirash Abdolhosseini, MDStudent in an Organized Health Care Education/Training Program1790470904
- Russell Adwan, MDPediatrics Physician1184291866
- Joseph Aoki, MDAnatomic Pathology & Clinical Pathology Physician1083827000
- Harman Arora, MDEmergency Medicine Physician1932369725
- Drew Arruda-AkinePharmacist1952232563
- Noemi Arzaga, DNP, FNP-BCNurse Practitioner1336508563
Verify Brian Thielen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-24299Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average family medicine physician in 2024
464 Medicare Part D claims for 85 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium33 claims
- Lisinopril27 claims
- Amlodipine Besylate20 claims
- Levothyroxine Sodium20 claims
- Hydrochlorothiazide16 claims
- Losartan Potassium15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $21.47
1 payment: food and beverage; the largest payer was Bioventus LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Kalispell Regional Medical Center IncKalispell, MT
- Sound Physicians OF Hawaii IncKealakekua, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Thielen among 730 family medicine physician records in Hawaii
Brian Thielen is one of 730 family medicine physician records with a practice address in Hawaii. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2021 · median 2006 among the 383 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
58 family medicine physician records list a practice address in Hilo
They are 58 of the 1,758 NPPES records with a practice address in Hilo, and 730 family medicine physician records in Hawaii.
All 730 in Hawaii → Every provider in Hilo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Alice Adee, MDHilo, HI 967201376638734
- Wilfred Alik, MDHilo, HI 967201366542060
- Susan Cauley, M.D.Hilo, HI 967201881701076
- Lynda Dolan, M.D.Hilo, HI 967201548207319
- Charles Dundas, M.D.Hilo, HI 967201285647826
- Edwin Etcubanez, MDHilo, HI 967201679555866
- Sheareen Gedayloo, M.D.Hilo, HI 967201801840525
- Lily Gillespie, MDHilo, HI 967201649370412
Common questions
What is Brian Thielen's NPI number?
Brian Thielen's National Provider Identifier (NPI) is 1568042885, issued on Apr 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Brian Thielen located?
The NPPES record lists a practice address at 1190 Waianuenue Ave, Hilo, HI, 96720. Phone: (808) 932-3730. Providers update this record themselves, so call before visiting.
How can I verify Brian Thielen's license?
NPPES lists Hawaii license number MD-24299, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Thielen prescribe under Medicare Part D?
In 2024, Brian Thielen had 464 Medicare Part D claims for 85 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.