Dr. Hitomi Nakai, MD
- Medicare services, 2024
- 58
- Medicare patients, 2024
- 27
- Part D claims, 2024
- 683
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 10180 Se Sunnyside Road, Clackamas, OR 97015
- Practice phone
- Call (503) 652-2880
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Hitomi Nakai is an internist in Clackamas, Oregon
Dr. Nakai practices at Kaiser Permanente Sunnyside Medical Center in Clackamas, Oregon, part of Kaiser Permanente.
Dr. Nakai's NPI, 1205031283, was assigned on June 19, 2007. Dr. Nakai holds Oregon license MD28599.
- NPI
- 1205031283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557438314
- NPI enumeration date
- June 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 652-2880
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hitomi Nakai practices at Kaiser Permanente Sunnyside Medical Center in Clackamas, Oregon
Dr. Nakai's primary practice is Kaiser Permanente Sunnyside Medical Center, at 10180 Se Sunnyside Road, Clackamas, OR 97015 in Clackamas County. The practice phone is (503) 652-2880.
- Kaiser Permanente Sunnyside Medical Center10180 Se Sunnyside Road, Clackamas, OR 97015 · Clackamas CountyPhone(503) 652-2880
Source: Dmand AI Affiliation Data
Dr. Hitomi Nakai is affiliated with 2 sites of care and 1 medical group
Dr. Nakai's primary practice is Kaiser Permanente Sunnyside Medical Center in Clackamas, Oregon, part of Kaiser Permanente. Dr. Nakai is also affiliated with Providence Newberg Medical Center. The medical group on file is Kaiser Permanente Northwest.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hitomi Nakai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nakai practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Sunnyside Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Hitomi Nakai is one of 1,680 internists in Oregon
Internal medicine is Dr. Nakai's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nakai is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Nakai
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. Hitomi Nakai billed Medicare for 58 services in 2024
CMS data shows 58 Medicare services from Dr. Nakai across 2 procedure codes in 2024, for 27 Medicare patients. Medicare paid $3,827 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nakai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 262024: 58123%
Dr. Nakai compared with the Oregon median for internists, 2024
- Dr. Nakai
- Oregon median
- Medicare services
- 58vs 30081% below
- Medicare patients
- 27vs 13280% below
- Part D claims
- 380vs 22271% above
Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.
Dr. Nakai'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Hitomi Nakai treated 27 Medicare patients in 2024, average age 70
CMS counts 27 Medicare patients who saw Dr. Nakai in 2024. The largest group is 65 to 74, with 11 patients. 75% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 2.29, 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. Nakai's median patient age at 72, with 51% women.
Dr. Nakai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Nakai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
- Atrial fibrillation56%
- Diabetes56%
- Heart failure52%
- Arthritis44%
- Mood disorders41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nakai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hitomi Nakai wrote 683 Medicare Part D claims in 2024
In 2024, Dr. Nakai wrote 683 Medicare Part D claims for 187 patients. 82% of them were for generic drugs. CMS names the drug for 380 of them, across 19 drugs with 11 or more claims each, at $24,306 in total drug cost. In 2023, CMS named 456 claims across 24 drugs.
Dr. Nakai's Part D claims by kind of drug, 2024
- Generic560 claims82%
- Brand-name and other123 claims18%
Dr. Nakai'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. Nakai's Part D claims, 2024
- Opioids4%28 of 683 claims
- Antibiotics9%59 of 683 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: 4562024: 38017%
Drugs named by CMS: 19 in 2024, 24 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 Dr. Hitomi Nakai takes part in Medicare
Dr. Nakai accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Hitomi Nakai'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) |
| 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. Hitomi Nakai
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What is Dr. Hitomi Nakai's NPI number?
Dr. Hitomi Nakai's NPI number is 1205031283. It was assigned on June 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Hitomi Nakai?
Dr. Hitomi Nakai is an internist in Clackamas, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Hitomi Nakai practice?
Dr. Nakai practices at 10180 Se Sunnyside Road, Clackamas, OR 97015. Dr. Nakai's primary practice is Kaiser Permanente Sunnyside Medical Center in Clackamas, Oregon, part of Kaiser Permanente.
What is Dr. Hitomi Nakai's office phone number?
The practice phone on file for Dr. Nakai is (503) 652-2880.
What is Dr. Hitomi Nakai's medical license number?
Dr. Nakai holds Oregon license MD28599.
Which hospitals is Dr. Hitomi Nakai affiliated with?
Dr. Nakai practices at Kaiser Permanente Sunnyside Medical Center in Clackamas, Oregon. Dr. Nakai is also affiliated with Providence Newberg Medical Center.
What medical group is Dr. Hitomi Nakai part of?
Dr. Nakai is linked to Kaiser Permanente Northwest.
Does Dr. Hitomi Nakai accept Medicare?
Yes. CMS data shows Dr. Nakai billed Medicare for 58 services in 2024, and Dr. Nakai accepts Medicare assignment.
How many Medicare patients does Dr. Hitomi Nakai see?
CMS counts 27 Medicare patients who saw Dr. Nakai in 2024, with an average age of 70.
What services does Dr. Hitomi Nakai bill to Medicare?
In 2024, Dr. Nakai's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99239).
What drugs does Dr. Hitomi Nakai prescribe most?
In 2024 Medicare Part D data, Dr. Nakai's most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Potassium Chloride.
How long has Dr. Hitomi Nakai been practicing?
Dr. Nakai graduated from medical school in 2005, 21 years ago.
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