Dr. Stephen Michael Chan, MD
- Medicare services, 2024
- 167
- Medicare patients, 2024
- 249
- Hospital affiliations
- 2
- Industry payments
- $20
- Medical group
- 1
- Practice address
- 7373 West Ln, Stockton, CA 95210
- Practice phone
- Call (209) 476-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Stockton, California
Find Dr. Chan's professional email, personal email and mobile number
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Dr. Stephen Michael Chan is a diagnostic radiologist in Stockton, California
Dr. Chan practices at Permanente Medical Group Inc in Stockton, California.
Dr. Chan's NPI, 1760833420, was assigned on June 23, 2016. Dr. Chan graduated from University of Southern California Keck School of Medicine in 2016. Dr. Chan holds California license A156034.
- NPI
- 1760833420NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880090562
- NPI enumeration date
- June 23, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 476-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Michael Chan practices at Permanente Medical Group Inc in Stockton, California
Dr. Chan's primary practice is Permanente Medical Group Inc, at 7373 West Ln, Stockton, CA 95210 in San Joaquin County. The practice phone is (209) 476-2000.
- Permanente Medical Group Inc7373 West Ln, Stockton, CA 95210 · San Joaquin CountyPhone(209) 476-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen Michael Chan is affiliated with 3 sites of care and 1 medical group
Dr. Chan's primary practice is Permanente Medical Group Inc in Stockton, California. Dr. Chan is also affiliated with Roseville Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Chan to 1 more hospital, named with a free account.
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. Stephen Michael Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Michael 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 licensed in California.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
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. Stephen Michael Chan billed Medicare for 167 services in 2024
CMS data shows 167 Medicare services from Dr. Chan across 4 procedure codes in 2024, for 249 Medicare patients. Medicare paid $2,854 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1502024: 16711%
Dr. Chan compared with the California median for diagnostic radiologists, 2024
- Dr. Chan
- California median
- Medicare services
- 167vs 2,28193% below
- Medicare patients
- 249vs 1,34682% below
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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chan and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Michael Chan treated 249 Medicare patients in 2024, average age 69
CMS counts 249 Medicare patients who saw Dr. Chan in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high blood pressure, and 55% have high cholesterol. 71% are also on Medicaid. Their average risk score is 1.84, 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 52, with 62% women.
Dr. Chan's Medicare patients by age, 2024
Dr. Chan's Medicare patients by sex, 2024
- Women14458%
- Men10542%
Chronic conditions among Dr. Chan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol55%
- Arthritis46%
- Diabetes39%
- Chronic kidney disease32%
- Mood disorders32%
- Heart failure31%
- Depression28%
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 52
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Stephen Michael Chan takes part in Medicare
Dr. Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Stephen Michael Chan received $20 in industry payments in 2019
CMS Open Payments shows 1 general payment to Dr. Chan from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $20.
Companies that paid Dr. Chan the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Michael Chan graduated from University of Southern California Keck School of Medicine
Dr. Chan graduated from University of Southern California Keck School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Michael Chan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Stephen Michael 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. Stephen Michael Chan's NPI number?
Dr. Stephen Michael Chan's NPI number is 1760833420. It was assigned on June 23, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Michael Chan?
Dr. Stephen Michael Chan is a diagnostic radiologist in Stockton, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Stephen Michael Chan practice?
Dr. Chan practices at 7373 West Ln, Stockton, CA 95210. Dr. Chan's primary practice is Permanente Medical Group Inc in Stockton, California. Dmand AI also links Dr. Chan to 1 hospital.
What is Dr. Stephen Michael Chan's office phone number?
The practice phone on file for Dr. Chan is (209) 476-2000.
What is Dr. Stephen Michael Chan's medical license number?
Dr. Chan holds California license A156034.
Which hospitals is Dr. Stephen Michael Chan affiliated with?
Dr. Chan is affiliated with Roseville Medical Center. Dmand AI links Dr. Chan to 1 more hospital.
What medical group is Dr. Stephen Michael Chan part of?
Dr. Chan is linked to The Permanente Medical Group, Inc.
Does Dr. Stephen Michael Chan accept Medicare?
Yes. CMS data shows Dr. Chan billed Medicare for 167 services in 2024, and Dr. Chan accepts Medicare assignment.
How many Medicare patients does Dr. Stephen Michael Chan see?
CMS counts 249 Medicare patients who saw Dr. Chan in 2024, with an average age of 69.
What services does Dr. Stephen Michael Chan bill to Medicare?
In 2024, Dr. Chan's most billed Medicare services were diagnostic imaging (71045), diagnostic imaging (70450) and diagnostic imaging (71046).
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Where did Dr. Stephen Michael Chan go to medical school?
Dr. Chan graduated from University of Southern California Keck School of Medicine in 2016.
Has Dr. Stephen Michael Chan received payments from drug or device companies?
CMS Open Payments shows $20 in general payments to Dr. Chan from 1 company from 2019 to 2019. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Stephen Michael Chan been practicing?
Dr. Chan graduated from medical school in 2016, 10 years ago.
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