Naomi Onaka
- Medicare services, 2024
- 43
- Medicare patients, 2024
- 45
- Part D claims, 2024
- 133
- Publications
- 4
- Hospital affiliations
- 2
- Practice address
- 2827 Fort Missoula Rd, Missoula, MT 59804
- Practice phone
- Call (406) 728-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Naomi Onaka'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.
Naomi Onaka is an emergency medicine physician in Missoula, Montana
Naomi Onaka practices at Community Medical Center in Missoula, Montana, part of Lifepoint Health.
Naomi Onaka's NPI, 1932720224, was assigned on April 28, 2020. Naomi Onaka graduated from University of Arizona College of Medicine in 2020. Naomi Onaka holds Montana license MED-PHYS-LIC-126078.
- NPI
- 1932720224NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042632028
- NPI enumeration date
- April 28, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (406) 728-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Naomi Onaka practices at Community Medical Center in Missoula, Montana
Naomi Onaka's primary practice is Community Medical Center, at 2827 Fort Missoula Rd, Missoula, MT 59804 in Missoula County. The practice phone is (406) 728-4100.
- Community Medical Center2827 Fort Missoula Rd, Missoula, MT 59804 · Missoula CountyPhone(406) 728-4100
Source: Dmand AI Affiliation Data
Naomi Onaka is affiliated with 2 sites of care and 2 medical groups
Naomi Onaka's primary practice is Community Medical Center in Missoula, Montana, part of Lifepoint Health. Naomi Onaka is also affiliated with Providence St. Joseph Medical Center. The medical group on file is Community Medical Center. Dmand AI also links Naomi Onaka to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Naomi Onaka's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Naomi Onaka practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Medical Center | Available with a free account |
| +1 more site 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 Lifepoint Health and 6.2K+ hospitals, with verified contacts in the same login.
Naomi Onaka is one of 245 emergency medicine physicians in Montana
Emergency medicine is Naomi Onaka's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Naomi Onaka's licenses on file in 2 states: Montana and Arizona.
Specialties and state licenses
- Emergency medicine, MontanaPrimary
- Arizona license
Emergency medicine physicians near Naomi Onaka
Counts of emergency medicine physicians 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
Naomi Onaka billed Medicare for 43 services in 2024
CMS data shows 43 Medicare services from Naomi Onaka across 2 procedure codes in 2024, for 45 Medicare patients. Medicare paid $4,961 for them. Every service was in a facility, such as a hospital, rather than an office.
Naomi Onaka compared with the Montana median for emergency medicine physicians, 2024
- Naomi Onaka
- Montana median
- Medicare services
- 43vs 30486% below
- Medicare patients
- 45vs 30285% below
- Part D claims
- 48vs 457% above
Medians across 269 emergency medicine physicians in Montana with Dmand AI profiles that report each measure.
Naomi Onaka'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 Naomi Onaka?
Medicare shows one payer. Book a meeting to get commercial claims data for Naomi Onaka and other emergency medicine physicians in Montana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Naomi Onaka treated 45 Medicare patients in 2024, average age 71
CMS counts 45 Medicare patients who saw Naomi Onaka in 2024. The largest group is 65 to 74, with 16 patients. 67% of them have high blood pressure, and 51% have anxiety. 33% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Naomi Onaka's median patient age at 46, with 54% women.
Naomi Onaka's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Naomi Onaka's Medicare patients by sex, 2024
- Women3169%
- Men1431%
Chronic conditions among Naomi Onaka's Medicare patients, 2024
- High blood pressure67%
- Anxiety51%
- High cholesterol47%
- Mood disorders47%
- Depression40%
- Arthritis38%
- Diabetes31%
- Chronic kidney disease29%
Share of Medicare patients with each condition. A patient can have several.
Naomi Onaka's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Naomi Onaka wrote 133 Medicare Part D claims in 2024
In 2024, Naomi Onaka wrote 133 Medicare Part D claims for 94 patients. 95% of them were for generic drugs. CMS names the drug for 48 of them, across 3 drugs with 11 or more claims each, at $217 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Naomi Onaka's Part D claims by kind of drug, 2024
- Generic127 claims95%
- Brand-name and other6 claims5%
Naomi Onaka'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.
Drug classes CMS tracks in Naomi Onaka's Part D claims, 2024
- Opioids18%24 of 133 claims
- Antibiotics26%34 of 133 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 152024: 48220%
Drugs named by CMS: 3 in 2024, 1 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
How Naomi Onaka takes part in Medicare
Naomi Onaka accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Naomi Onaka has 4 publications on record
Dmand AI links 4 papers to Naomi Onaka, published from 2018 to 2021. 2018 was the busiest year, with 2. Naomi Onaka has published most often in World Neurosurg. Naomi Onaka's most frequent co-author is Peter Nakaji, MD.
Naomi Onaka's papers by year, 2018 to 2021
Naomi Onaka's most frequent co-authors
Recent publications by Naomi Onaka
See who Naomi Onaka researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Naomi Onaka works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Naomi Onaka graduated from University of Arizona College of Medicine
Naomi Onaka graduated from University of Arizona College of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Naomi Onaka'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Naomi Onaka
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Naomi Onaka's NPI number?
Naomi Onaka's NPI number is 1932720224. It was assigned on April 28, 2020, and it is active in the NPI Registry.
What does Naomi Onaka specialize in?
Naomi Onaka is an emergency medicine physician in Missoula, Montana. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Naomi Onaka practice?
Naomi Onaka practices at 2827 Fort Missoula Rd, Missoula, MT 59804. Naomi Onaka's primary practice is Community Medical Center in Missoula, Montana, part of Lifepoint Health. Dmand AI also links Naomi Onaka to 1 medical group.
What is Naomi Onaka's office phone number?
The practice phone on file for Naomi Onaka is (406) 728-4100.
What is Naomi Onaka's medical license number?
Naomi Onaka holds Montana license MED-PHYS-LIC-126078, one of the licenses on file in 2 states.
Which states has Naomi Onaka been licensed in?
Dmand AI has state licenses on file for Naomi Onaka in Montana and Arizona.
Which hospitals is Naomi Onaka affiliated with?
Naomi Onaka practices at Community Medical Center in Missoula, Montana. Naomi Onaka is also affiliated with Providence St. Joseph Medical Center.
What medical group is Naomi Onaka part of?
Naomi Onaka is linked to Community Medical Center. Dmand AI links Naomi Onaka to 1 more medical group.
Does Naomi Onaka accept Medicare?
Yes. CMS data shows Naomi Onaka billed Medicare for 43 services in 2024, and Naomi Onaka accepts Medicare assignment.
How many Medicare patients does Naomi Onaka see?
CMS counts 45 Medicare patients who saw Naomi Onaka in 2024, with an average age of 71.
Show 6 more questionsShow fewer questions
What services does Naomi Onaka bill to Medicare?
In 2024, Naomi Onaka's most billed Medicare services were emergency department visit (99285) and emergency department visit (99284).
Where did Naomi Onaka go to medical school?
Naomi Onaka graduated from University of Arizona College of Medicine in 2020.
What drugs does Naomi Onaka prescribe most?
In 2024 Medicare Part D data, Naomi Onaka's most prescribed drugs by claims were Oxycodone HCl, Ondansetron ODT and Methocarbamol.
How long has Naomi Onaka been practicing?
Naomi Onaka graduated from medical school in 2020, 6 years ago.
Does Naomi Onaka do research?
Dmand AI links 4 publications to Naomi Onaka, published from 2018 to 2021.
Who does Naomi Onaka publish with?
Naomi Onaka's most frequent co-authors are Peter Nakaji, MD (2 shared papers).
Selling to emergency medicine practices?
See emergency medicine physicians in Montana by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card