Dr. James Chung-Ming Tsai, MD
- Medicare services, 2024
- 8,217
- Medicare patients, 2024
- 2,063
- MIPS score, 2024
- 89
- Hospital affiliations
- 4
- Industry payments
- $233
- Practice address
- 4805 NE Glisan Street, Portland, OR 97213
- Practice phone
- Call (503) 215-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tsai'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. James Chung-Ming Tsai is a diagnostic radiologist in Portland, Oregon
Dr. Tsai practices at Providence Portland Medical Center in Portland, Oregon, part of Providence Health & Services.
Dr. Tsai's NPI, 1164409868, was assigned on December 23, 2005. Dr. Tsai graduated from Ohio State University College of Medicine in 1996. Dr. Tsai holds Oregon license MD23999.
- NPI
- 1164409868NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375530280
- NPI enumeration date
- December 23, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 215-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Chung-Ming Tsai practices at Providence Portland Medical Center in Portland, Oregon
Dr. Tsai's primary practice is Providence Portland Medical Center, at 4805 NE Glisan Street, Portland, OR 97213 in Multnomah County. The practice phone is (503) 215-1111.
- Providence Portland Medical Center4805 NE Glisan Street, Portland, OR 97213 · Multnomah CountyPhone(503) 215-1111
Source: Dmand AI Affiliation Data
Dr. James Chung-Ming Tsai is affiliated with 6 sites of care and 2 medical groups
Dr. Tsai's primary practice is Providence Portland Medical Center in Portland, Oregon, part of Providence Health & Services. Dr. Tsai is also affiliated with Providence Willamette Falls Medical Center. The medical group on file is The Oregon Clinic. Dmand AI also links Dr. Tsai to 2 more hospitals, 2 group practices and clinics and 1 medical group, 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. James Chung-Ming Tsai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsai practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Portland Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James Chung-Ming Tsai is one of 414 diagnostic radiologists in Oregon
Diagnostic radiology is Dr. Tsai's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Tsai is licensed in Oregon.
Specialties and state licenses
- Diagnostic radiology, OregonPrimary
Diagnostic radiologists near Dr. Tsai
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. James Chung-Ming Tsai billed Medicare for 8,217 services in 2024
CMS data shows 8,217 Medicare services from Dr. Tsai across 45 procedure codes in 2024, for 2,063 Medicare patients. Medicare paid $101,501 for them.
Dr. Tsai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 3,2772024: 5,60371%
- Imaging
- 2023: 2,6042024: 2,614No change
Where Dr. Tsai's Medicare services took place, 2024
- In an office5,71270%
- In a facility2,50530%
Dr. Tsai compared with the Oregon median for diagnostic radiologists, 2024
- Dr. Tsai
- Oregon median
- Medicare services
- 8,217vs 1,8354.5 times
- Medicare patients
- 2,063vs 1,46541% above
Medians across 419 diagnostic radiologists in Oregon with Dmand AI profiles that report each measure.
Dr. Tsai'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. James Chung-Ming Tsai treated 2,063 Medicare patients in 2024, average age 73
CMS counts 2,063 Medicare patients who saw Dr. Tsai in 2024. The largest group is 65 to 74, with 805 patients. 73% of them have high blood pressure, and 64% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.59, 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. Tsai's median patient age at 72, with 60% women.
Dr. Tsai's Medicare patients by age, 2024
Dr. Tsai's Medicare patients by sex, 2024
- Women1,21759%
- Men84641%
Chronic conditions among Dr. Tsai's Medicare patients, 2024
- High blood pressure73%
- High cholesterol64%
- Arthritis51%
- Mood disorders38%
- Depression34%
- Anxiety28%
- Chronic kidney disease28%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tsai'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
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Chung-Ming Tsai scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Tsai for performance year 2024, reported as part of a group. Dr. Tsai accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tsai's MIPS scores, performance year 2024
- 89of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 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. James Chung-Ming Tsai received $233 in industry payments from 2018 to 2024
CMS Open Payments shows 2 general payments to Dr. Tsai from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. EMD Serono, Inc. paid the most, $123.
General payments to Dr. Tsai by program year, 2018 to 2024
Companies that paid Dr. Tsai the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Chung-Ming Tsai graduated from Ohio State University College of Medicine
Dr. Tsai graduated from Ohio State University College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Chung-Ming Tsai'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) |
| 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. James Chung-Ming Tsai
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. James Chung-Ming Tsai's NPI number?
Dr. James Chung-Ming Tsai's NPI number is 1164409868. It was assigned on December 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James Chung-Ming Tsai?
Dr. James Chung-Ming Tsai is a diagnostic radiologist in Portland, Oregon. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. James Chung-Ming Tsai practice?
Dr. Tsai practices at 4805 NE Glisan Street, Portland, OR 97213. Dr. Tsai's primary practice is Providence Portland Medical Center in Portland, Oregon, part of Providence Health & Services. Dmand AI also links Dr. Tsai to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. James Chung-Ming Tsai's office phone number?
The practice phone on file for Dr. Tsai is (503) 215-1111.
What is Dr. James Chung-Ming Tsai's medical license number?
Dr. Tsai holds Oregon license MD23999.
Which hospitals is Dr. James Chung-Ming Tsai affiliated with?
Dr. Tsai practices at Providence Portland Medical Center in Portland, Oregon. Dr. Tsai is also affiliated with Providence Willamette Falls Medical Center. Dmand AI links Dr. Tsai to 2 more hospitals.
What medical group is Dr. James Chung-Ming Tsai part of?
Dr. Tsai is linked to The Oregon Clinic. Dmand AI links Dr. Tsai to 1 more medical group.
Does Dr. James Chung-Ming Tsai accept Medicare?
Yes. CMS data shows Dr. Tsai billed Medicare for 8,217 services in 2024, and Dr. Tsai accepts Medicare assignment.
What is Dr. James Chung-Ming Tsai's MIPS score?
Dr. Tsai's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. James Chung-Ming Tsai see?
CMS counts 2,063 Medicare patients who saw Dr. Tsai in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. James Chung-Ming Tsai bill to Medicare?
In 2024, Dr. Tsai's most billed Medicare services were medicare temporary code (Q9967), medical supplies or transport (A9585) and diagnostic imaging (70450).
Where did Dr. James Chung-Ming Tsai go to medical school?
Dr. Tsai graduated from Ohio State University College of Medicine in 1996.
Has Dr. James Chung-Ming Tsai received payments from drug or device companies?
CMS Open Payments shows $233 in general payments to Dr. Tsai from 2 companies from 2018 to 2024. The largest total came from EMD Serono, Inc.
How long has Dr. James Chung-Ming Tsai been practicing?
Dr. Tsai graduated from medical school in 1996, 30 years ago.
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