Dr. Ronald Chan, MD

  • Concord, CA
  • Diagnostic radiologist
NPI1154367993PAC ID2769475169
Medicare services, 2024
8,003
Medicare patients, 2024
4,072
Publications
1
MIPS score, 2024
91
Hospital affiliations
4
Practice address
2410 High School Ave, Concord, CA 94520
Practice phone
Call (925) 296-7156
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

John Muir Magnetic Imaging Center

Concord, California

See all 19 affiliations

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Dr. Ronald Chan is a diagnostic radiologist in Concord, California

Dr. Chan practices at John Muir Magnetic Imaging Center in Concord, California.

Dr. Chan's NPI, 1154367993, was assigned on June 21, 2006. Dr. Chan graduated from New York University School of Medicine in 1998. Dr. Chan holds California license A82947.

NPI and contact details
Medicare PAC ID
2769475169
NPI enumeration date
June 21, 2006
NPI status
Active
Practice phone
(925) 296-7156
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

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

Dr. Ronald Chan practices at John Muir Magnetic Imaging Center in Concord, California

Dr. Chan's primary practice is John Muir Magnetic Imaging Center, at 2410 High School Ave, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 296-7156.

  • John Muir Magnetic Imaging Center
    2410 High School Ave, Concord, CA 94520 · Contra Costa CountyPhone(925) 296-7156

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ronald Chan is affiliated with 12 sites of care and 7 medical groups

Dr. Chan's primary practice is John Muir Magnetic Imaging Center in Concord, California. Dr. Chan is also affiliated with Concord Medical Center. The medical group on file is John Muir Health. Dmand AI also links Dr. Chan to 3 more hospitals, 7 group practices and clinics and 6 medical groups, each named with a free account.

See all 19 affiliations for Dr. Chan

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ronald Chan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 11 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
John Muir Magnetic Imaging CenterAvailable with a free account
+11 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ronald Chan is one of 4,096 diagnostic radiologists in California

Diagnostic radiology is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Chan is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Chan's licenses on file in 3 states: California, Hawaii and Illinois.

Specialties and state licenses

  • Diagnostic radiology, CaliforniaPrimaryLicense A82947 · 2003 to 2027 · taxonomy 2085R0202X
  • Hawaii license2024 to 2026
  • Illinois license1998 to 2003

Diagnostic radiologists near Dr. Chan

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. Ronald Chan billed Medicare for 8,003 services in 2024

CMS data shows 8,003 Medicare services from Dr. Chan across 60 procedure codes in 2024, for 4,072 Medicare patients. Medicare paid $171,900 for them.

Medicare services, 20248,003
Medicare patients4,072
Paid by Medicare$171,900
Procedure codes60

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

  • 2023
  • 2024
Imaging
2023: 4,1542024: 4,4818%
Other services
2023: 7,4352024: 3,45554%
Tests and treatments
2023: 1132024: 6741%

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

  • In an office4,59157%
  • In a facility3,41243%

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

  • Dr. Chan
  • California median
Medicare services
8,003vs 2,2813.5 times
Medicare patients
4,072vs 1,3463.0 times

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

Dr. Chan'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. Chan

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

Dr. Ronald Chan treated 4,072 Medicare patients in 2024, average age 76

CMS counts 4,072 Medicare patients who saw Dr. Chan in 2024. The largest group is 65 to 74, with 1,633 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.57, 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. Chan's median patient age at 58, with 54% women.

Medicare patients, 20244,072
Average age76
Average risk score1.57
Also on Medicaid21%

Dr. Chan's Medicare patients by age, 2024

Dr. Chan's Medicare patients by sex, 2024

  • Women2,35858%
  • Men1,71442%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis55%
  4. Chronic kidney disease31%
  5. Diabetes30%
  6. Ischemic heart disease29%
  7. Mood disorders29%
  8. Anxiety27%

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

Dr. Chan's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women54%
  • Men43%

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

Dr. Ronald Chan 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. Chan for performance year 2024, reported as part of a group.

Dr. Chan'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. Ronald Chan has 1 publication on record

Dmand AI links 1 paper to Dr. Chan.

Papers1

Recent publications by Dr. Chan

See all 1 publications and co-authors

See who Dr. Chan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chan works with, so you can find a warm path to the right diagnostic radiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ronald Chan received $92 in industry payments from 2016 to 2018

CMS Open Payments shows 2 general payments to Dr. Chan from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Ethicon Inc. paid the most, $50.

General payments to Dr. Chan by program year, 2016 to 2018

Companies that paid Dr. Chan the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Chan

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

Dr. Ronald Chan graduated from New York University School of Medicine

Dr. Chan graduated from New York University School of Medicine in 1998.

  1. Medical schoolNew York University School of Medicine
  2. Board certified in diagnostic radiologyAmerican Board of Radiology

Source: Dmand AI Professional Profile Data

Dr. Ronald Chan accepts plans from 2 insurance carriers

Dr. Chan 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. Chan accepts, by number of carriers

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

Source: Dmand AI Insurance Network Data

Sources for Dr. Ronald Chan'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Ronald Chan

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. Ronald Chan's NPI number?

Dr. Ronald Chan's NPI number is 1154367993. It was assigned on June 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ronald Chan?

Dr. Ronald Chan is a diagnostic radiologist in Concord, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Ronald Chan practice?

Dr. Chan practices at 2410 High School Ave, Concord, CA 94520. Dr. Chan's primary practice is John Muir Magnetic Imaging Center in Concord, California. Dmand AI also links Dr. Chan to 3 hospitals, 7 group practices and clinics and 6 medical groups.

What is Dr. Ronald Chan's office phone number?

The practice phone on file for Dr. Chan is (925) 296-7156.

What is Dr. Ronald Chan's medical license number?

Dr. Chan holds California license A82947, one of the licenses on file in 3 states.

Which states has Dr. Ronald Chan been licensed in?

Dmand AI has state licenses on file for Dr. Chan in California (2003 to 2027), Hawaii (2024 to 2026) and Illinois (1998 to 2003).

Which hospitals is Dr. Ronald Chan affiliated with?

Dr. Chan is affiliated with Concord Medical Center. Dmand AI links Dr. Chan to 3 more hospitals.

What medical group is Dr. Ronald Chan part of?

Dr. Chan is linked to John Muir Health. Dmand AI links Dr. Chan to 6 more medical groups.

Does Dr. Ronald Chan accept Medicare?

Yes. CMS data shows Dr. Chan billed Medicare for 8,003 services in 2024.

What is Dr. Ronald Chan's MIPS score?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Ronald Chan see?

CMS counts 4,072 Medicare patients who saw Dr. Chan in 2024, with an average age of 76.

Is Dr. Ronald Chan board certified?

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

What services does Dr. Ronald Chan bill to Medicare?

In 2024, Dr. Chan's most billed Medicare services were medical supplies or transport (A9585), diagnostic imaging (71045) and diagnostic imaging (73721).

Where did Dr. Ronald Chan go to medical school?

Dr. Chan graduated from New York University School of Medicine in 1998.

Has Dr. Ronald Chan received payments from drug or device companies?

CMS Open Payments shows $92 in general payments to Dr. Chan from 2 companies from 2016 to 2018. The largest total came from Ethicon Inc.

How long has Dr. Ronald Chan been practicing?

Dr. Chan graduated from medical school in 1998, 28 years ago.

Does Dr. Ronald Chan do research?

Dmand AI links 1 publication to Dr. Chan.

What insurance does Dr. Ronald Chan accept?

Dr. Chan 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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