Dr. Rodney Tadashi Ono, MD
- Medicare services, 2023
- 297
- Medicare patients, 2024
- 18
- Part D claims, 2024
- 6,062
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- 10 Wayman Lane, Bar Harbor, ME 04609
- Practice phone
- Call (207) 288-5081
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ono's professional email, personal email and mobile number
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Dr. Rodney Tadashi Ono is an internist in Bar Harbor, Maine
Dr. Ono practices at Mount Desert Island Hospital in Bar Harbor, Maine, part of Mount Desert Island Hospital.
Dr. Ono's NPI, 1477626802, was assigned on November 15, 2006. Dr. Ono graduated from Tufts University School of Medicine in 1980. Dr. Ono holds Hawaii license 4760.
- NPI
- 1477626802NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779775010
- NPI enumeration date
- November 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (207) 288-5081
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rodney Tadashi Ono practices at Mount Desert Island Hospital in Bar Harbor, Maine
Dr. Ono's primary practice is Mount Desert Island Hospital, at 10 Wayman Lane, Bar Harbor, ME 04609 in Hancock County. The practice phone is (207) 288-5081.
- Mount Desert Island Hospital10 Wayman Lane, Bar Harbor, ME 04609 · Hancock CountyPhone(207) 288-5081
Source: Dmand AI Affiliation Data
Dr. Rodney Tadashi Ono is affiliated with 6 sites of care and 2 medical groups
Dr. Ono's primary practice is Mount Desert Island Hospital in Bar Harbor, Maine, part of Mount Desert Island Hospital. Dr. Ono is also affiliated with Northern Light Maine Coast Hospital. The medical group on file is Mount Desert Island Hospital. Dmand AI also links Dr. Ono to 2 more home health agencies, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group, each named with a free account. Dr. Ono'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. Rodney Tadashi Ono's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ono practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mount Desert Island Hospital | Available with a free account |
| +5 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 Mount Desert Island Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rodney Tadashi Ono is one of 572 internists in Maine
Internal medicine is Dr. Ono's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ono is licensed in Hawaii.
Specialties and state licenses
- Internal medicine, HawaiiPrimary
Internists near Dr. Ono
Counts of internists 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. Rodney Tadashi Ono billed Medicare for 297 services in 2023
CMS data shows 297 Medicare services from Dr. Ono across 2 procedure codes in 2023, for 18 Medicare patients. Medicare paid $20,596 for them. Every service was in an office.
Dr. Ono's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 4192023: 29729%
Dr. Ono compared with the Maine median for internists, 2023
- Dr. Ono
- Maine median
- Medicare services
- 297vs 3145% below
- Medicare patients
- 18vs 15488% below
- Part D claims
- 5,252vs 21124.9 times
Medians across 600 internists in Maine with Dmand AI profiles that report each measure.
Dr. Ono's most billed Medicare procedure codes, 2023
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. Ono and other internists in Maine.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rodney Tadashi Ono treated 18 Medicare patients in 2024, average age 82
CMS counts 18 Medicare patients who saw Dr. Ono in 2024. 75% of them have high blood pressure. Their average risk score is 1.56, 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. Ono's median patient age at 74, with 45% women.
Chronic conditions among Dr. Ono's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ono's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women45%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rodney Tadashi Ono wrote 6,062 Medicare Part D claims in 2024
In 2024, Dr. Ono wrote 6,062 Medicare Part D claims for 413 patients. 86% of them were for generic drugs. CMS names the drug for 5,252 of them, across 108 drugs with 11 or more claims each, at $504,640 in total drug cost. In 2023, CMS named 6,299 claims across 129 drugs.
Dr. Ono's Part D claims by kind of drug, 2024
- Generic5,227 claims86%
- Brand-name810 claims13%
- Other25 claims0%
Dr. Ono'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 Dr. Ono's Part D claims, 2024
- Opioids3%154 of 6,062 claims
- Antibiotics3%169 of 6,062 claims
- Antipsychotics, patients 65 and over0%19 of 6,062 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: 6,2992024: 5,25217%
Drugs named by CMS: 108 in 2024, 129 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. Rodney Tadashi Ono scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Ono for performance year 2024, reported through an alternative payment model (APM). Dr. Ono accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ono's MIPS scores, performance year 2024
- 97of 100Final score
- 83.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Rodney Tadashi Ono received $3,051 in industry payments from 2016 to 2023
CMS Open Payments shows 187 general payments to Dr. Ono from 20 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $478.
General payments to Dr. Ono by program year, 2016 to 2023
General payments to Dr. Ono by kind, 2016 to 2023
- Food and beverage$2,92796%
- Education$1244%
Companies that paid Dr. Ono the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rodney Tadashi Ono graduated from Tufts University School of Medicine
Dr. Ono graduated from Tufts University School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rodney Tadashi Ono'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. Rodney Tadashi Ono
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. Rodney Tadashi Ono's NPI number?
Dr. Rodney Tadashi Ono's NPI number is 1477626802. It was assigned on November 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Rodney Tadashi Ono?
Dr. Rodney Tadashi Ono is an internist in Bar Harbor, Maine. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rodney Tadashi Ono practice?
Dr. Ono practices at 10 Wayman Lane, Bar Harbor, ME 04609. Dr. Ono's primary practice is Mount Desert Island Hospital in Bar Harbor, Maine, part of Mount Desert Island Hospital. Dmand AI also links Dr. Ono to 2 home health agencies, 1 group practice or clinic, 1 therapy and rehab clinic and 1 medical group.
What is Dr. Rodney Tadashi Ono's office phone number?
The practice phone on file for Dr. Ono is (207) 288-5081.
What is Dr. Rodney Tadashi Ono's medical license number?
Dr. Ono holds Hawaii license 4760.
Which hospitals is Dr. Rodney Tadashi Ono affiliated with?
Dr. Ono practices at Mount Desert Island Hospital in Bar Harbor, Maine. Dr. Ono is also affiliated with Northern Light Maine Coast Hospital.
What medical group is Dr. Rodney Tadashi Ono part of?
Dr. Ono is linked to Mount Desert Island Hospital. Dmand AI links Dr. Ono to 1 more medical group.
Does Dr. Rodney Tadashi Ono accept Medicare?
Yes. CMS data shows Dr. Ono billed Medicare for 297 services in 2023, and Dr. Ono accepts Medicare assignment.
What is Dr. Rodney Tadashi Ono's MIPS score?
Dr. Ono's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Rodney Tadashi Ono see?
CMS counts 18 Medicare patients who saw Dr. Ono in 2024, with an average age of 82.
Show 5 more questionsShow fewer questions
What services does Dr. Rodney Tadashi Ono bill to Medicare?
In 2023, Dr. Ono's most billed Medicare services were nursing facility care (99309) and nursing facility care (99308).
Where did Dr. Rodney Tadashi Ono go to medical school?
Dr. Ono graduated from Tufts University School of Medicine in 1980.
What drugs does Dr. Rodney Tadashi Ono prescribe most?
In 2024 Medicare Part D data, Dr. Ono's most prescribed drugs by claims were Spironolactone, Atorvastatin Calcium and Pantoprazole Sodium.
Has Dr. Rodney Tadashi Ono received payments from drug or device companies?
CMS Open Payments shows $3,051 in general payments to Dr. Ono from 20 companies from 2016 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Rodney Tadashi Ono been practicing?
Dr. Ono graduated from medical school in 1980, 46 years ago.
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