Cholangiopancreatography, Endoscopic RetrogradeFluoroscopyOperating Rooms
Dr. Rei Mitsuyama, MD
NPI1811519408
- Medicare services, 2024
- 77
- Medicare patients, 2024
- 57
- Part D claims, 2024
- 34
- Publications
- 2
- Industry payments
- $124
- Practice address
- 593 Eddy St, Providence, RI 02903
- Practice phone
- Call (401) 444-4741
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Mitsuyama'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.
Dr. Rei Mitsuyama is an internist in Providence, Rhode Island
Dr. Mitsuyama practices in Providence, Rhode Island.
Dr. Mitsuyama's NPI, 1811519408, was assigned on May 18, 2020. Dr. Mitsuyama graduated from Warren Alpert Medical School of Brown University in 2020. Dr. Mitsuyama holds Rhode Island license MD19179.
NPI and contact details
- NPI
- 1811519408NPI Registry (opens in a new tab)
- NPI enumeration date
- May 18, 2020
- NPI status
- Active
- Practice phone
- (401) 444-4741
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Rei Mitsuyama's practice address is in Providence, Rhode Island
Dr. Mitsuyama's practice address in the NPI Registry is 593 Eddy St, Providence, RI 02903, in Providence County. The practice phone is (401) 444-4741.
- NPI Registry address593 Eddy St, Providence, RI 02903 · Providence CountyPhone(401) 444-4741
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Rei Mitsuyama's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mitsuyama practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Mitsuyama's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Mitsuyama practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rei Mitsuyama is one of 805 internists in Rhode Island
Internal medicine is Dr. Mitsuyama's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mitsuyama is licensed in Rhode Island.
Specialties and state licenses
- Internal medicine, Rhode IslandPrimary
Internists near Dr. Mitsuyama
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. Rei Mitsuyama billed Medicare for 77 services in 2024
CMS data shows 77 Medicare services from Dr. Mitsuyama across 3 procedure codes in 2024, for 57 Medicare patients. Medicare paid $7,437 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202477
Medicare patients57
Paid by Medicare$7,437
Procedure codes3
Dr. Mitsuyama's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 132024: 77492%
Dr. Mitsuyama compared with the Rhode Island median for internists, 2024
- Dr. Mitsuyama
- Rhode Island median
- Medicare services
- 77vs 34277% below
- Medicare patients
- 57vs 14561% below
- Part D claims
- 323vs 28414% above
Medians across 772 internists in Rhode Island with Dmand AI profiles that report each measure.
Dr. Mitsuyama'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 Dr. Mitsuyama?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mitsuyama and other internists in Rhode Island.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rei Mitsuyama treated 57 Medicare patients in 2024, average age 75
CMS counts 57 Medicare patients who saw Dr. Mitsuyama in 2024. The largest group is 65 to 74, with 17 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 2.56, 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. Mitsuyama's median patient age at 45, with 67% women.
Medicare patients, 202457
Average age75
Average risk score2.56
Also on Medicaid30%
Dr. Mitsuyama's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mitsuyama's Medicare patients by sex, 2024
- Women1730%
- Men4070%
Chronic conditions among Dr. Mitsuyama's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Ischemic heart disease58%
- Heart failure54%
- Arthritis53%
- Mood disorders51%
- Anxiety46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mitsuyama's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Rei Mitsuyama wrote 34 Medicare Part D claims in 2024
In 2024, Dr. Mitsuyama wrote 34 Medicare Part D claims. 97% of them were for generic drugs. They cover 15 drugs, with $10,943 in total drug cost. In 2022, CMS named 399 claims across 18 drugs.
Part D claims, 202434
Drugs named by CMS15
Total drug cost$10,943
Dr. Mitsuyama's Part D claims by kind of drug, 2024
- Generic33 claims97%
- Brand-name and other1 claims3%
Dr. Mitsuyama's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 3992023: 32319%
Drugs named by CMS: 15 in 2023, 18 in 2022.
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
For MedTech and pharma teams
Find internists like Dr. Mitsuyama by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Rei Mitsuyama has 2 publications on record
Dmand AI links 2 papers to Dr. Mitsuyama, published from 2022 to 2025. Dr. Mitsuyama's most frequent co-authors are Herbert David Aronow, MD, Akwi Wasi Asombang, MD and Chirag Pankajkumar Bavishi, MD, MPH.
Papers2
Years published2022 to 2025
Dr. Mitsuyama's most frequent co-authors
- Herbert David Aronow, MD1 shared paper
- Akwi Wasi Asombang, MD1 shared paper
- Chirag Pankajkumar Bavishi, MD, MPH1 shared paper
Recent publications by Dr. Mitsuyama
Cardiovasc Revasc Med
Acute Coronary SyndromeClopidogrelHospitals
See who Dr. Mitsuyama researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Mitsuyama works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rei Mitsuyama received $124 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Mitsuyama from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $124.
Companies that paid Dr. Mitsuyama the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rei Mitsuyama graduated from Warren Alpert Medical School of Brown University
Dr. Mitsuyama graduated from Warren Alpert Medical School of Brown University in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rei Mitsuyama'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Rei Mitsuyama
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. Rei Mitsuyama's NPI number?
Dr. Rei Mitsuyama's NPI number is 1811519408. It was assigned on May 18, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Rei Mitsuyama?
Dr. Rei Mitsuyama is an internist in Providence, Rhode Island. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Rei Mitsuyama practice?
Dr. Mitsuyama practices at 593 Eddy St, Providence, RI 02903.
What is Dr. Rei Mitsuyama's office phone number?
The practice phone on file for Dr. Mitsuyama is (401) 444-4741.
What is Dr. Rei Mitsuyama's medical license number?
Dr. Mitsuyama holds Rhode Island license MD19179.
Does Dr. Rei Mitsuyama accept Medicare?
Yes. CMS data shows Dr. Mitsuyama billed Medicare for 77 services in 2024.
How many Medicare patients does Dr. Rei Mitsuyama see?
CMS counts 57 Medicare patients who saw Dr. Mitsuyama in 2024, with an average age of 75.
What services does Dr. Rei Mitsuyama bill to Medicare?
In 2024, Dr. Mitsuyama's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99238).
Where did Dr. Rei Mitsuyama go to medical school?
Dr. Mitsuyama graduated from Warren Alpert Medical School of Brown University in 2020.
What drugs does Dr. Rei Mitsuyama prescribe most?
In 2023 Medicare Part D data, Dr. Mitsuyama's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metformin HCl.
Show 4 more questionsShow fewer questions
Has Dr. Rei Mitsuyama received payments from drug or device companies?
CMS Open Payments shows $124 in general payments to Dr. Mitsuyama from 1 company from 2024 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Rei Mitsuyama been practicing?
Dr. Mitsuyama graduated from medical school in 2020, 6 years ago.
Does Dr. Rei Mitsuyama do research?
Dmand AI links 2 publications to Dr. Mitsuyama, published from 2022 to 2025.
Who does Dr. Rei Mitsuyama publish with?
Dr. Mitsuyama's most frequent co-authors are Herbert David Aronow, MD (1 shared paper), Akwi Wasi Asombang, MD (1 shared paper) and Chirag Pankajkumar Bavishi, MD, MPH (1 shared paper).
Selling to internal medicine practices?
See internists in Rhode Island 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