Dr. Kei Hanafusa, MD
- Medicare services, 2024
- 633
- Medicare patients, 2024
- 583
- MIPS score, 2024
- 61
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hanafusa's professional email, personal email and mobile number
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Dr. Kei Hanafusa is a diagnostic radiologist in San Jose, California
Dr. Hanafusa practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Hanafusa's NPI, 1538122270, was assigned on April 11, 2006. Dr. Hanafusa graduated from University of Chicago, Pritzker School of Medicine in 1989. Dr. Hanafusa holds California license G84175.
- NPI
- 1538122270NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6002971652
- NPI enumeration date
- April 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kei Hanafusa practices at Santa Clara Valley Medical Center in San Jose, California
Dr. Hanafusa's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Kei Hanafusa is affiliated with 2 sites of care and 1 medical group
Dr. Hanafusa's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Hanafusa to 1 more community health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kei Hanafusa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hanafusa practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley 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. Kei Hanafusa is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Hanafusa's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Hanafusa is licensed in California.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
Diagnostic radiologists near Dr. Hanafusa
Counts of diagnostic 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. Kei Hanafusa billed Medicare for 633 services in 2024
CMS data shows 633 Medicare services from Dr. Hanafusa across 5 procedure codes in 2024, for 583 Medicare patients. Medicare paid $26,892 for them.
Dr. Hanafusa's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5482024: 63316%
Where Dr. Hanafusa's Medicare services took place, 2024
- In an office295%
- In a facility60495%
Dr. Hanafusa compared with the California median for diagnostic radiologists, 2024
- Dr. Hanafusa
- California median
- Medicare services
- 633vs 2,28172% below
- Medicare patients
- 583vs 1,34657% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Hanafusa'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. Kei Hanafusa treated 583 Medicare patients in 2024, average age 70
CMS counts 583 Medicare patients who saw Dr. Hanafusa in 2024. The largest group is 65 to 74, with 432 patients. 68% of them have high blood pressure, and 61% have high cholesterol. 72% are also on Medicaid. Their average risk score is 0.91, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hanafusa's median patient age at 66, with 98% women.
Dr. Hanafusa's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Hanafusa's Medicare patients, 2024
- High blood pressure68%
- High cholesterol61%
- Diabetes40%
- Arthritis24%
- Osteoporosis20%
- Mood disorders17%
- Anxiety16%
- Depression15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hanafusa'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
- Women98%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kei Hanafusa scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Hanafusa for performance year 2024, reported as part of a group. Dr. Hanafusa accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hanafusa's MIPS scores, performance year 2024
- 61of 100Final score
- 59.4of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
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. Kei Hanafusa graduated from University of Chicago, Pritzker School of Medicine
Dr. Hanafusa graduated from University of Chicago, Pritzker School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kei Hanafusa'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) |
| 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) |
| 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. Kei Hanafusa
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. Kei Hanafusa's NPI number?
Dr. Kei Hanafusa's NPI number is 1538122270. It was assigned on April 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kei Hanafusa?
Dr. Kei Hanafusa is a diagnostic radiologist in San Jose, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Kei Hanafusa practice?
Dr. Hanafusa practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Hanafusa's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Hanafusa to 1 community health center.
What is Dr. Kei Hanafusa's office phone number?
The practice phone on file for Dr. Hanafusa is (408) 885-5000.
What is Dr. Kei Hanafusa's medical license number?
Dr. Hanafusa holds California license G84175.
Which hospitals is Dr. Kei Hanafusa affiliated with?
Dr. Hanafusa practices at Santa Clara Valley Medical Center in San Jose, California.
What medical group is Dr. Kei Hanafusa part of?
Dr. Hanafusa is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.
Does Dr. Kei Hanafusa accept Medicare?
Yes. CMS data shows Dr. Hanafusa billed Medicare for 633 services in 2024, and Dr. Hanafusa accepts Medicare assignment.
What is Dr. Kei Hanafusa's MIPS score?
Dr. Hanafusa's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Kei Hanafusa see?
CMS counts 583 Medicare patients who saw Dr. Hanafusa in 2024, with an average age of 70.
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What services does Dr. Kei Hanafusa bill to Medicare?
In 2024, Dr. Hanafusa's most billed Medicare services were radiation oncology (77067), radiation oncology (77066) and ultrasound (76641).
Where did Dr. Kei Hanafusa go to medical school?
Dr. Hanafusa graduated from University of Chicago, Pritzker School of Medicine in 1989.
How long has Dr. Kei Hanafusa been practicing?
Dr. Hanafusa graduated from medical school in 1989, 37 years ago.
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