Naomi Onaka
Emergency Medicine Physician · Polson, MT
Naomi Onaka is an emergency medicine physician with a practice address in Polson, Montana, and NPI 1932720224, issued on Apr 28, 2020. Check the license (Montana MED-PHYS-LIC-126078, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Naomi Onaka
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MED-PHYS-LIC-126078 MT
R77968 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 6 13TH Ave E, Polson, MT 59860
- Phone
- (406) 883-5680
- Enumerated
- Apr 28, 2020
- Record last updated
- Sep 26, 2023
- Medicare enrollment
- Enrolled (PECOS I20230928002221); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 243 in Montana → Look up another NPI →
Also registered at 6 13TH Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kelly Bagnell, M. D.Obstetrics Physician1558390617
- Elizabeth Bassler, LCSWClinical Social Worker1932601796
- Katie Bateman, LCPCMental Health Counselor1346631355
- Eugene BevilleEmergency Medicine Physician1093255879
Verify Naomi Onaka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-126078Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average emergency medicine physician in 2024
133 Medicare Part D claims for 94 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Oxycodone Hcl21 claims
- Ondansetron Odt16 claims
- Methocarbamol11 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.
The MIPS final score for 2023 (Medicare payment program): 96 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Clark Fork Emergency Physicians PLLCMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Naomi Onaka among 243 emergency medicine physician records in Montana
Naomi Onaka is one of 243 emergency medicine physician records with a practice address in Montana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 95% of them.
- NPI issued2020 · 95% of these records are older, 4% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2020 · median 2009 among the 144 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 emergency medicine physician records list a practice address in Polson
They are 9 of the 280 NPPES records with a practice address in Polson, and 243 emergency medicine physician records in Montana.
All 243 in Montana → Every provider in Polson → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Eugene BevillePolson, MT 598601093255879
- Darren Brockie, M.D.Polson, MT 598601043639164
- Kenneth Galewyrick, MDPolson, MT 598601588669576
- Corey Gaul, M.D.Polson, MT 598601992230239
- Aron Haire, DOPolson, MT 598601396242392
- Joseph Smith, M.D.Polson, MT 598601225423239
- Bruce Speicher, DOPolson, MT 598601184686859
- Dustyn Whitesel, MDPolson, MT 598601285210948
Common questions
What is Naomi Onaka's NPI number?
Naomi Onaka's National Provider Identifier (NPI) is 1932720224, issued on Apr 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Naomi Onaka located?
The NPPES record lists a practice address at 6 13TH Ave E, Polson, MT, 59860. Phone: (406) 883-5680. Providers update this record themselves, so call before visiting.
How can I verify Naomi Onaka's license?
NPPES lists Montana license number MED-PHYS-LIC-126078, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Naomi Onaka prescribe under Medicare Part D?
In 2024, Naomi Onaka had 133 Medicare Part D claims for 94 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Naomi Onaka's MIPS final score?
The 2023 MIPS final score is 96 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.