Dr. Christopher Chun Man Chen, MBA, MD
- Medicare services, 2024
- 64,598
- Medicare patients, 2024
- 355
- Part D claims, 2024
- 411
- Hospital affiliations
- 6
- Industry payments
- $373,558
- Practice address
- 1601 West St Mary's Road, Tucson, AZ 85745
- Practice phone
- Call (520) 872-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chen'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. Christopher Chun Man Chen is a hematologist and oncologist in Tucson, Arizona
Dr. Chen practices at Carondelet St. Mary's Hospital in Tucson, Arizona, part of Tenet Healthcare.
Dr. Chen's NPI, 1851603674, was assigned on July 9, 2010. Dr. Chen holds Arizona license 47422.
- NPI
- 1851603674NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608017744
- NPI enumeration date
- July 9, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (520) 872-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Chun Man Chen practices at Carondelet St. Mary's Hospital in Tucson, Arizona
Dr. Chen's primary practice is Carondelet St. Mary's Hospital, at 1601 West St Mary's Road, Tucson, AZ 85745 in Pima County. The practice phone is (520) 872-3000.
- Carondelet St. Mary's Hospital1601 West St Mary's Road, Tucson, AZ 85745 · Pima CountyPhone(520) 872-3000
Source: Dmand AI Affiliation Data
Dr. Christopher Chun Man Chen is affiliated with 10 sites of care and 5 medical groups
Dr. Chen's primary practice is Carondelet St. Mary's Hospital in Tucson, Arizona, part of Tenet Healthcare. Dr. Chen is also affiliated with City of Hope Cancer Center Phoenix. The medical group on file is Sound Physicians. Dmand AI also links Dr. Chen to 4 more hospitals, 4 medical groups, 2 group practices and clinics and 2 therapy and rehab clinics, 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. Christopher Chun Man Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carondelet St. Mary's Hospital | Available with a free account |
| +9 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Chun Man Chen is one of 259 hematologists and oncologists in Arizona
Hematology and oncology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Chen's licenses on file in 4 states: Arizona, Idaho, Nevada and Texas.
Specialties and state licenses
- Hematology and oncology, ArizonaPrimary
- Idaho license
- Nevada license
- Texas license
Hematologists and oncologists near Dr. Chen
Counts of hematologists and 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. Christopher Chun Man Chen billed Medicare for 64,598 services in 2024
CMS data shows 64,598 Medicare services from Dr. Chen across 36 procedure codes in 2024, for 355 Medicare patients. Medicare paid $923,442 for them.
Dr. Chen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,3362024: 56,9622338%
- Other services
- 2023: 02024: 5,320
- Tests and treatments
- 2023: 2792024: 1,450420%
- Office and hospital visits
- 2023: 2612024: 802207%
- Surgery
- 2023: 1352024: 6453%
Where Dr. Chen's Medicare services took place, 2024
- In an office64,282100%
- In a facility3160%
Dr. Chen compared with the Arizona median for hematologists and oncologists, 2024
- Dr. Chen
- Arizona median
- Medicare services
- 64,598vs 2,70523.9 times
- Medicare patients
- 355vs 370Close to median
- Part D claims
- 191vs 40453% below
Medians across 249 hematologists and oncologists in Arizona with Dmand AI profiles that report each measure.
Dr. Chen'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.
Need commercial claims for Dr. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other hematologists and oncologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Chun Man Chen treated 355 Medicare patients in 2024, average age 74
CMS counts 355 Medicare patients who saw Dr. Chen in 2024. The largest group is 65 to 74, with 164 patients. 74% of them have high blood pressure, and 74% have high cholesterol. 7% 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. Chen's median patient age at 69, with 64% women.
Dr. Chen's Medicare patients by age, 2024
Dr. Chen's Medicare patients by sex, 2024
- Women25171%
- Men10429%
Chronic conditions among Dr. Chen's Medicare patients, 2024
- High blood pressure74%
- High cholesterol74%
- Arthritis52%
- Cancer38%
- Diabetes35%
- Osteoporosis35%
- Chronic kidney disease33%
- Mood disorders31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women64%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Chun Man Chen wrote 411 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 411 Medicare Part D claims for 98 patients. 74% of them were for generic drugs. CMS names the drug for 191 of them, across 11 drugs with 11 or more claims each, at $1,033,236 in total drug cost. In 2023, CMS named 282 claims across 15 drugs.
Dr. Chen's Part D claims by kind of drug, 2024
- Generic304 claims74%
- Brand-name107 claims26%
Dr. Chen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Chen's Part D claims, 2024
- Opioids7%27 of 411 claims
- Antibiotics4%17 of 411 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2822024: 19132%
Drugs named by CMS: 11 in 2024, 15 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Christopher Chun Man Chen offers telehealth to Medicare patients
Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christopher Chun Man Chen received $373,558 in industry payments from 2016 to 2025
CMS Open Payments shows 1,818 general payments to Dr. Chen from 96 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 35% of the total. Incyte Corporation paid the most, $154,448.
General payments to Dr. Chen by program year, 2016 to 2025
General payments to Dr. Chen by kind, 2016 to 2025
- Speaker and faculty fees$130,74435%
- Honoraria$97,15726%
- Travel and lodging$61,11216%
- Consulting fees$46,50712%
- Other$37,10810%
Companies that paid Dr. Chen 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. Christopher Chun Man Chen'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) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - 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. Christopher Chun Man Chen
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. Christopher Chun Man Chen's NPI number?
Dr. Christopher Chun Man Chen's NPI number is 1851603674. It was assigned on July 9, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Chun Man Chen?
Dr. Christopher Chun Man Chen is a hematologist and oncologist in Tucson, Arizona. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Christopher Chun Man Chen practice?
Dr. Chen practices at 1601 West St Mary's Road, Tucson, AZ 85745. Dr. Chen's primary practice is Carondelet St. Mary's Hospital in Tucson, Arizona, part of Tenet Healthcare. Dmand AI also links Dr. Chen to 4 hospitals, 4 medical groups, 2 group practices and clinics and 2 therapy and rehab clinics.
What is Dr. Christopher Chun Man Chen's office phone number?
The practice phone on file for Dr. Chen is (520) 872-3000.
What is Dr. Christopher Chun Man Chen's medical license number?
Dr. Chen holds Arizona license 47422, one of the licenses on file in 4 states.
Which states has Dr. Christopher Chun Man Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in Arizona, Idaho, Nevada and Texas.
Which hospitals is Dr. Christopher Chun Man Chen affiliated with?
Dr. Chen practices at Carondelet St. Mary's Hospital in Tucson, Arizona. Dr. Chen is also affiliated with City of Hope Cancer Center Phoenix. Dmand AI links Dr. Chen to 4 more hospitals.
What medical group is Dr. Christopher Chun Man Chen part of?
Dr. Chen is linked to Sound Physicians. Dmand AI links Dr. Chen to 4 more medical groups.
Does Dr. Christopher Chun Man Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 64,598 services in 2024, and Dr. Chen accepts Medicare assignment.
Does Dr. Christopher Chun Man Chen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Christopher Chun Man Chen see?
CMS counts 355 Medicare patients who saw Dr. Chen in 2024, with an average age of 74.
What services does Dr. Christopher Chun Man Chen bill to Medicare?
In 2024, Dr. Chen's most billed Medicare services were injected or infused drug (J9267), injected or infused drug (J9271) and injected or infused drug (J3032).
What drugs does Dr. Christopher Chun Man Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Lenalidomide, Eliquis and Dexamethasone.
Has Dr. Christopher Chun Man Chen received payments from drug or device companies?
CMS Open Payments shows $373,558 in general payments to Dr. Chen from 96 companies from 2016 to 2025. The largest total came from Incyte Corporation.
How long has Dr. Christopher Chun Man Chen been practicing?
Dr. Chen graduated from medical school in 2010, 16 years ago.
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