Dr. Masahiro Horikawa, MD
- Medicare services, 2023
- 14
- Medicare patients, 2024
- 77
- Part D claims, 2024
- 71
- MIPS score, 2024
- 99
- Hospital affiliations
- 6
- Practice address
- 2801 N Gantenbein Avenue, Portland, OR 97227
- Practice phone
- Call (503) 413-2200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Horikawa's professional email, personal email and mobile number
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Dr. Masahiro Horikawa is an interventional radiologist in Portland, Oregon
Dr. Horikawa practices at Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health.
Dr. Horikawa's NPI, 1538587118, was assigned on April 1, 2014. Dr. Horikawa holds Oregon license MD185714.
- NPI
- 1538587118NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436374147
- NPI enumeration date
- April 1, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 413-2200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Masahiro Horikawa practices at Legacy Emanuel Medical Center in Portland, Oregon
Dr. Horikawa's primary practice is Legacy Emanuel Medical Center, at 2801 N Gantenbein Avenue, Portland, OR 97227 in Multnomah County. The practice phone is (503) 413-2200.
- Legacy Emanuel Medical Center2801 N Gantenbein Avenue, Portland, OR 97227 · Multnomah CountyPhone(503) 413-2200
Source: Dmand AI Affiliation Data
Dr. Masahiro Horikawa is affiliated with 8 sites of care and 6 medical groups
Dr. Horikawa's primary practice is Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health. Dr. Horikawa is also affiliated with OHSU Hospital. The medical group on file is Oregon Health & Science University (OHSU). Dmand AI also links Dr. Horikawa to 4 more hospitals, 5 medical groups, 1 clinical lab and 1 therapy and rehab clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Masahiro Horikawa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horikawa practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Emanuel Medical Center | Available with a free account |
| +7 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Legacy Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Masahiro Horikawa is one of 67 interventional radiologists in Oregon
Vascular and interventional radiology is Dr. Horikawa's primary specialty in the NPI Registry, under taxonomy code 2085R0204X. Dr. Horikawa is licensed in Oregon.
Specialties and state licenses
- Vascular and interventional radiology, OregonPrimary
Interventional radiologists near Dr. Horikawa
Counts of interventional radiologists 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. Masahiro Horikawa billed Medicare for 14 services in 2023
CMS data shows 14 Medicare services from Dr. Horikawa across 1 procedure code in 2023, for 77 Medicare patients. Medicare paid $139 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Horikawa's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 162023: 1413%
- Imaging
- 2022: 212023: 0100%
- Surgery
- 2022: 372023: 0100%
Dr. Horikawa compared with the Oregon median for interventional radiologists, 2023
- Dr. Horikawa
- Oregon median
- Medicare services
- 14vs 54897% below
- Medicare patients
- 77vs 36779% below
- Part D claims
- 39vs 133.0 times
Medians across 64 interventional radiologists in Oregon with Dmand AI profiles that report each measure.
Dr. Horikawa'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Masahiro Horikawa treated 77 Medicare patients in 2024, average age 73
CMS counts 77 Medicare patients who saw Dr. Horikawa in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 23% are also on Medicaid. Their average risk score is 2.16, 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. Horikawa's median patient age at 66, with 50% women.
Dr. Horikawa's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Horikawa's Medicare patients by sex, 2024
- Women4255%
- Men3545%
Chronic conditions among Dr. Horikawa's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Arthritis45%
- Ischemic heart disease39%
- Mood disorders34%
- Cancer32%
- Depression32%
- Heart failure32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Horikawa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Masahiro Horikawa wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Horikawa wrote 71 Medicare Part D claims for 27 patients. 99% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $219 in total drug cost.
Dr. Horikawa's Part D claims by kind of drug, 2024
- Generic70 claims99%
- Brand-name and other1 claims1%
Dr. Horikawa'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. Horikawa's Part D claims, 2024
- Opioids31%22 of 71 claims
- Antibiotics27%19 of 71 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Masahiro Horikawa scored 99 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Horikawa for performance year 2024, reported through an alternative payment model (APM). Dr. Horikawa accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Horikawa's MIPS scores, performance year 2024
- 99of 100Final score
- 84.3of 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. Masahiro Horikawa received $44,714 in industry payments from 2016 to 2025
CMS Open Payments shows 149 general payments to Dr. Horikawa from 19 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 41% of the total. Shimadzu Precision Instruments, Inc. paid the most, $14,923.
General payments to Dr. Horikawa by program year, 2016 to 2025
General payments to Dr. Horikawa by kind, 2016 to 2025
- Consulting fees$18,38741%
- Food and beverage$9,47621%
- Speaker and faculty fees$7,59817%
- Travel and lodging$7,27116%
- Honoraria$1,9824%
Companies that paid Dr. Horikawa the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Masahiro Horikawa'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) |
| 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. Masahiro Horikawa
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. Masahiro Horikawa's NPI number?
Dr. Masahiro Horikawa's NPI number is 1538587118. It was assigned on April 1, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Masahiro Horikawa?
Dr. Masahiro Horikawa is an interventional radiologist in Portland, Oregon. The primary specialty in the NPI Registry is Vascular & Interventional Radiology Physician (taxonomy code 2085R0204X).
Where does Dr. Masahiro Horikawa practice?
Dr. Horikawa practices at 2801 N Gantenbein Avenue, Portland, OR 97227. Dr. Horikawa's primary practice is Legacy Emanuel Medical Center in Portland, Oregon, part of Legacy Health. Dmand AI also links Dr. Horikawa to 4 hospitals, 5 medical groups, 1 clinical lab and 1 therapy and rehab clinic.
What is Dr. Masahiro Horikawa's office phone number?
The practice phone on file for Dr. Horikawa is (503) 413-2200.
What is Dr. Masahiro Horikawa's medical license number?
Dr. Horikawa holds Oregon license MD185714.
Which hospitals is Dr. Masahiro Horikawa affiliated with?
Dr. Horikawa practices at Legacy Emanuel Medical Center in Portland, Oregon. Dr. Horikawa is also affiliated with OHSU Hospital. Dmand AI links Dr. Horikawa to 4 more hospitals.
What medical group is Dr. Masahiro Horikawa part of?
Dr. Horikawa is linked to Oregon Health & Science University (OHSU). Dmand AI links Dr. Horikawa to 5 more medical groups.
Does Dr. Masahiro Horikawa accept Medicare?
Yes. CMS data shows Dr. Horikawa billed Medicare for 14 services in 2023, and Dr. Horikawa accepts Medicare assignment.
What is Dr. Masahiro Horikawa's MIPS score?
Dr. Horikawa's MIPS final score for performance year 2024 is 99 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Masahiro Horikawa see?
CMS counts 77 Medicare patients who saw Dr. Horikawa in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Masahiro Horikawa bill to Medicare?
In 2023, Dr. Horikawa's most billed Medicare services were special service (99152).
What drugs does Dr. Masahiro Horikawa prescribe most?
In 2024 Medicare Part D data, Dr. Horikawa's most prescribed drugs by claims were Oxycodone HCl and Methylprednisolone.
Has Dr. Masahiro Horikawa received payments from drug or device companies?
CMS Open Payments shows $44,714 in general payments to Dr. Horikawa from 19 companies from 2016 to 2025. The largest total came from Shimadzu Precision Instruments, Inc.
How long has Dr. Masahiro Horikawa been practicing?
Dr. Horikawa graduated from medical school in 2006, 20 years ago.
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