Dr. Mark Kuang-Mian Tu, MD

  • Walnut Creek, CA
  • Diagnostic radiologist
NPI1144262452PAC ID2769462589
Medicare services, 2024
6,389
Medicare patients, 2024
4,418
MIPS score, 2024
91
Hospital affiliations
6
Industry payments
$110
Practice address
1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
Practice phone
Call (925) 939-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

John Muir Medical Center, Walnut Creek

Hospital · Walnut Creek, California

See all 23 affiliations

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Dr. Mark Kuang-Mian Tu is a diagnostic radiologist in Walnut Creek, California

Dr. Tu practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.

Dr. Tu's NPI, 1144262452, was assigned on June 12, 2006. Dr. Tu graduated from UTMB Health in 1994. Dr. Tu's California license number on file is A60238.

NPI and contact details
Medicare PAC ID
2769462589
NPI enumeration date
June 12, 2006
NPI status
Active
Practice phone
(925) 939-3000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Mark Kuang-Mian Tu practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California

Dr. Tu's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.

Source: Dmand AI Affiliation Data

Dr. Mark Kuang-Mian Tu is affiliated with 14 sites of care and 9 medical groups

Dr. Tu's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dr. Tu is also affiliated with Santa Clara Valley Medical Center. The medical group on file is The Queen's Medical Center. Dmand AI also links Dr. Tu to 4 more hospitals, 8 group practices and clinics and 8 medical groups, each named with a free account.

See all 23 affiliations for Dr. Tu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mark Kuang-Mian Tu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tu practices, 14 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
John Muir Medical Center, Walnut CreekAvailable with a free account
+13 more sites and 8 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Mark Kuang-Mian Tu is one of 4,096 diagnostic radiologists in California

Diagnostic radiology is Dr. Tu's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Tu is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Tu's licenses on file in 6 states: California, Washington, Hawaii, North Dakota, New Mexico and Nevada.

Specialties and state licenses

  • Diagnostic radiology, CaliforniaPrimaryLicense A60238 · 1996 to 2025 · taxonomy 2085R0202X
  • Washington licenseSince 2013
  • Hawaii license2007 to 2026
  • North Dakota license2007 to 2008
  • New Mexico license2007 to 2008
  • Nevada license2001 to 2003

Diagnostic radiologists near Dr. Tu

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. Mark Kuang-Mian Tu billed Medicare for 6,389 services in 2024

CMS data shows 6,389 Medicare services from Dr. Tu across 53 procedure codes in 2024, for 4,418 Medicare patients. Medicare paid $236,697 for them.

Medicare services, 20246,389
Medicare patients4,418
Paid by Medicare$236,697
Procedure codes53

Dr. Tu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 5,9942024: 5,9551%
Tests and treatments
2023: 1992024: 30252%
Other services
2023: 1142024: 114No change
Surgery
2023: 132024: 1838%

Where Dr. Tu's Medicare services took place, 2024

  • In an office3886%
  • In a facility6,00194%

Dr. Tu compared with the California median for diagnostic radiologists, 2024

  • Dr. Tu
  • California median
Medicare services
6,389vs 2,2812.8 times
Medicare patients
4,418vs 1,3463.3 times

Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.

Dr. Tu'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.

See all procedures by Dr. Tu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mark Kuang-Mian Tu treated 4,418 Medicare patients in 2024, average age 76

CMS counts 4,418 Medicare patients who saw Dr. Tu in 2024. The largest group is 65 to 74, with 1,636 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 1.79, 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. Tu's median patient age at 55, with 71% women.

Medicare patients, 20244,418
Average age76
Average risk score1.79
Also on Medicaid29%

Dr. Tu's Medicare patients by age, 2024

Dr. Tu's Medicare patients by sex, 2024

  • Women2,97767%
  • Men1,44133%

Chronic conditions among Dr. Tu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Chronic kidney disease35%
  5. Diabetes34%
  6. Mood disorders33%
  7. Depression30%
  8. Ischemic heart disease30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Tu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women71%
  • Men27%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mark Kuang-Mian Tu scored 91 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Tu for performance year 2024, reported as part of a group.

Dr. Tu's MIPS scores, performance year 2024

  • 91of 100Final score
  • 84.1of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Mark Kuang-Mian Tu received $110 in industry payments from 2017 to 2025

CMS Open Payments shows 4 general payments to Dr. Tu from 4 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $35.

General payments to Dr. Tu by program year, 2017 to 2025

Companies that paid Dr. Tu the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Tu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mark Kuang-Mian Tu graduated from UTMB Health

Dr. Tu graduated from UTMB Health in 1994.

  1. Medical schoolUTMB Health
  2. Board certified in diagnostic radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Mark Kuang-Mian Tu accepts plans from 2 insurance carriers

Dr. Tu is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Excellus BlueCross BlueShield
  • CMS Medicare

Plan types Dr. Tu accepts, by number of carriers

  1. Medicare2
  2. EPO1
  3. HMO1
  4. POS1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Mark Kuang-Mian Tu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mark Kuang-Mian Tu

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. Mark Kuang-Mian Tu's NPI number?

Dr. Mark Kuang-Mian Tu's NPI number is 1144262452. It was assigned on June 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Kuang-Mian Tu?

Dr. Mark Kuang-Mian Tu is a diagnostic radiologist in Walnut Creek, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Mark Kuang-Mian Tu practice?

Dr. Tu practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Tu's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Tu to 4 hospitals, 8 group practices and clinics and 8 medical groups.

What is Dr. Mark Kuang-Mian Tu's office phone number?

The practice phone on file for Dr. Tu is (925) 939-3000.

What is Dr. Mark Kuang-Mian Tu's medical license number?

Dr. Tu's California license number on file is A60238, one of the licenses on file in 6 states.

Which states has Dr. Mark Kuang-Mian Tu been licensed in?

Dmand AI has state licenses on file for Dr. Tu in California (1996 to 2025), Washington (since 2013), Hawaii (2007 to 2026), North Dakota (2007 to 2008), New Mexico (2007 to 2008) and Nevada (2001 to 2003).

Which hospitals is Dr. Mark Kuang-Mian Tu affiliated with?

Dr. Tu practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dr. Tu is also affiliated with Santa Clara Valley Medical Center. Dmand AI links Dr. Tu to 4 more hospitals.

What medical group is Dr. Mark Kuang-Mian Tu part of?

Dr. Tu is linked to The Queen's Medical Center. Dmand AI links Dr. Tu to 8 more medical groups.

Does Dr. Mark Kuang-Mian Tu accept Medicare?

Yes. CMS data shows Dr. Tu billed Medicare for 6,389 services in 2024.

What is Dr. Mark Kuang-Mian Tu's MIPS score?

Dr. Tu's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Mark Kuang-Mian Tu see?

CMS counts 4,418 Medicare patients who saw Dr. Tu in 2024, with an average age of 76.

Is Dr. Mark Kuang-Mian Tu board certified?

Yes. Dr. Tu is board certified in diagnostic radiology by the American Board of Radiology.

What services does Dr. Mark Kuang-Mian Tu bill to Medicare?

In 2024, Dr. Tu's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (70450) and radiation oncology (77063).

Where did Dr. Mark Kuang-Mian Tu go to medical school?

Dr. Tu graduated from UTMB Health in 1994.

Has Dr. Mark Kuang-Mian Tu received payments from drug or device companies?

CMS Open Payments shows $110 in general payments to Dr. Tu from 4 companies from 2017 to 2025. The largest total came from Stryker Corporation.

How long has Dr. Mark Kuang-Mian Tu been practicing?

Dr. Tu graduated from medical school in 1994, 32 years ago.

What insurance does Dr. Mark Kuang-Mian Tu accept?

Dr. Tu is in network with 2 carriers, including Excellus BlueCross BlueShield and CMS Medicare. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.

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