Dr. Timothy An-Thy Chan, MD, PhD
- Medicare services, 2021
- 15
- Medicare patients, 2024
- 21
- Hospital affiliations
- 2
- Industry payments
- $12,612
- Medical groups
- 2
- Practice address
- 9500 Euclid Avenue, Cleveland, OH 44195
- Practice phone
- Call (216) 952-9829
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chan'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. Timothy An-Thy Chan is a radiation oncologist in Cleveland, Ohio
Dr. Chan practices at Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation.
Dr. Chan's NPI, 1538205620, was assigned on January 29, 2007. Dr. Chan holds Maryland license T0161.
- NPI
- 1538205620NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658468285
- NPI enumeration date
- January 29, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (216) 952-9829
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Timothy An-Thy Chan practices at Cleveland Clinic Main Campus in Cleveland, Ohio
Dr. Chan's primary practice is Cleveland Clinic Main Campus, at 9500 Euclid Avenue, Cleveland, OH 44195 in Cuyahoga County. The practice phone is (216) 952-9829.
- Cleveland Clinic Main Campus9500 Euclid Avenue, Cleveland, OH 44195 · Cuyahoga CountyPhone(216) 952-9829
Source: Dmand AI Affiliation Data
Dr. Timothy An-Thy Chan is affiliated with 4 sites of care and 2 medical groups
Dr. Chan's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dr. Chan is also affiliated with Memorial Sloan Kettering Cancer Center. The medical group on file is Cleveland Clinic. Dmand AI also links Dr. Chan to 2 more clinical labs and 1 medical group, each named with a free account. Dr. Chan's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy An-Thy Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cleveland Clinic Main Campus | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy An-Thy Chan is one of 267 radiation oncologists in Ohio
Radiation oncology is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Chan is licensed in Maryland.
Specialties and state licenses
- Radiation oncology, MarylandPrimary
Radiation oncologists near Dr. Chan
Counts of radiation oncologists 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. Timothy An-Thy Chan billed Medicare for 15 services in 2021
CMS data shows 15 Medicare services from Dr. Chan across 1 procedure code in 2021, for 21 Medicare patients. Medicare paid $2,023 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chan's Medicare services by type, 2019 to 2021
- 2019
- 2021
- Imaging
- 2019: 3622021: 1596%
- Office and hospital visits
- 2019: 652021: 0100%
Dr. Chan compared with the Ohio median for radiation oncologists, 2021
- Dr. Chan
- Ohio median
- Medicare services
- 15vs 1,12099% below
- Medicare patients
- 21vs 15787% below
Medians across 262 radiation oncologists in Ohio with Dmand AI profiles that report each measure.
Dr. Chan's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chan and other radiation oncologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy An-Thy Chan treated 21 Medicare patients in 2024, average age 72
CMS counts 21 Medicare patients who saw Dr. Chan in 2024. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.94, 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 65, with 62% women.
Chronic conditions among Dr. Chan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Cancer57%
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 65
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Timothy An-Thy Chan offers telehealth to Medicare patients
Dr. Chan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Timothy An-Thy Chan received $12,612 in industry payments from 2016 to 2025
CMS Open Payments shows 16 general payments to Dr. Chan from 7 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 73% of the total. Bristol-Myers Squibb Company paid the most, $4,656.
General payments to Dr. Chan by program year, 2016 to 2025
General payments to Dr. Chan by kind, 2016 to 2025
- Consulting fees$9,20073%
- Speaker and faculty fees$2,90023%
- Food and beverage$4383%
- Travel and lodging$741%
Companies that paid Dr. Chan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Timothy An-Thy 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 | 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Timothy An-Thy 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. Timothy An-Thy Chan's NPI number?
Dr. Timothy An-Thy Chan's NPI number is 1538205620. It was assigned on January 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy An-Thy Chan?
Dr. Timothy An-Thy Chan is a radiation oncologist in Cleveland, Ohio. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Timothy An-Thy Chan practice?
Dr. Chan practices at 9500 Euclid Avenue, Cleveland, OH 44195. Dr. Chan's primary practice is Cleveland Clinic Main Campus in Cleveland, Ohio, part of The Cleveland Clinic Foundation. Dmand AI also links Dr. Chan to 2 clinical labs and 1 medical group.
What is Dr. Timothy An-Thy Chan's office phone number?
The practice phone on file for Dr. Chan is (216) 952-9829.
What is Dr. Timothy An-Thy Chan's medical license number?
Dr. Chan holds Maryland license T0161.
Which hospitals is Dr. Timothy An-Thy Chan affiliated with?
Dr. Chan practices at Cleveland Clinic Main Campus in Cleveland, Ohio. Dr. Chan is also affiliated with Memorial Sloan Kettering Cancer Center.
What medical group is Dr. Timothy An-Thy Chan part of?
Dr. Chan is linked to Cleveland Clinic. Dmand AI links Dr. Chan to 1 more medical group.
Does Dr. Timothy An-Thy Chan accept Medicare?
Yes. CMS data shows Dr. Chan billed Medicare for 15 services in 2021, and Dr. Chan accepts Medicare assignment.
Does Dr. Timothy An-Thy Chan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chan as offering telehealth services.
How many Medicare patients does Dr. Timothy An-Thy Chan see?
CMS counts 21 Medicare patients who saw Dr. Chan in 2024, with an average age of 72.
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What services does Dr. Timothy An-Thy Chan bill to Medicare?
In 2021, Dr. Chan's most billed Medicare services were radiation oncology (77263).
Has Dr. Timothy An-Thy Chan received payments from drug or device companies?
CMS Open Payments shows $12,612 in general payments to Dr. Chan from 7 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Timothy An-Thy Chan been practicing?
Dr. Chan graduated from medical school in 2002, 24 years ago.
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