Dr. Chee Man Chan, MD
- Medicare services, 2024
- 647
- Medicare patients, 2024
- 320
- Part D claims, 2024
- 433
- MIPS score, 2024
- 94
- Hospital affiliations
- 1
- Practice address
- 110 Irving Street NW, Washington, DC 20010
- Practice phone
- Call (202) 877-7000
- 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
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Dr. Chee Man Chan is an internist in Washington, District of Columbia
Dr. Chan practices at MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Dr. Chan's NPI, 1912093618, was assigned on October 4, 2006. Dr. Chan graduated from Albany Medical College of Union University in 2001. Dr. Chan holds New York license 60236580.
- NPI
- 1912093618NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436243912
- NPI enumeration date
- October 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (202) 877-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chee Man Chan practices at MedStar Washington Hospital Center in Washington, District of Columbia
Dr. Chan's primary practice is MedStar Washington Hospital Center, at 110 Irving Street NW, Washington, DC 20010 in The District County. The practice phone is (202) 877-7000.
- MedStar Washington Hospital Center110 Irving Street NW, Washington, DC 20010 · The District CountyPhone(202) 877-7000
Source: Dmand AI Affiliation Data
Dr. Chee Man Chan is affiliated with 1 site of care and 3 medical groups
Dr. Chan's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Chan to 2 more medical groups, 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. Chee Man Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MedStar Washington Hospital Center | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chee Man Chan is one of 660 internists in District of Columbia
Internal medicine is Dr. Chan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chan is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Chan
Counts of internists 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. Chee Man Chan billed Medicare for 647 services in 2024
CMS data shows 647 Medicare services from Dr. Chan across 11 procedure codes in 2024, for 320 Medicare patients. Medicare paid $82,000 for them.
Dr. Chan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5192024: 5092%
- Tests and treatments
- 2023: 1102024: 7135%
- Other services
- 2023: 02024: 67
Where Dr. Chan's Medicare services took place, 2024
- In an office13921%
- In a facility50879%
Dr. Chan compared with the District of Columbia median for internists, 2024
- Dr. Chan
- District of Columbia median
- Medicare services
- 647vs 35483% above
- Medicare patients
- 320vs 1532.1 times
- Part D claims
- 339vs 1103.1 times
Medians across 591 internists in District of Columbia 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 internists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chee Man Chan treated 320 Medicare patients in 2024, average age 71
CMS counts 320 Medicare patients who saw Dr. Chan in 2024. The largest group is 65 to 74, with 133 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 55% are also on Medicaid. Their average risk score is 3.69, 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 66, with 58% women.
Dr. Chan's Medicare patients by age, 2024
Dr. Chan's Medicare patients by sex, 2024
- Women17755%
- Men14345%
Chronic conditions among Dr. Chan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease60%
- Heart failure58%
- Ischemic heart disease58%
- Diabetes57%
- Arthritis54%
- COPD42%
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 66
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chee Man Chan wrote 433 Medicare Part D claims in 2024
In 2024, Dr. Chan wrote 433 Medicare Part D claims for 68 patients. 44% of them were for generic drugs. CMS names the drug for 339 of them, across 17 drugs with 11 or more claims each, at $156,323 in total drug cost. In 2023, CMS named 376 claims across 15 drugs.
Dr. Chan's Part D claims by kind of drug, 2024
- Generic192 claims44%
- Brand-name241 claims56%
Dr. Chan'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3762024: 33910%
Drugs named by CMS: 17 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. Chee Man Chan scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Chan for performance year 2024, reported as part of a group. 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
Dr. Chan's MIPS scores, performance year 2024
- 94of 100Final score
- 80.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Chee Man Chan received $124,764 in industry payments from 2016 to 2023
CMS Open Payments shows 172 general payments to Dr. Chan from 14 drug and device companies from 2016 to 2023. Speaker and faculty fees make up the largest share, 89% of the total. Janssen Pharmaceuticals, Inc paid the most, $79,914.
General payments to Dr. Chan by program year, 2016 to 2023
General payments to Dr. Chan by kind, 2016 to 2023
- Speaker and faculty fees$111,26089%
- Travel and lodging$4,5394%
- Food and beverage$3,7003%
- Consulting fees$3,2503%
- Other$2,0152%
Companies that paid Dr. Chan the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chee Man Chan graduated from Albany Medical College of Union University
Dr. Chan graduated from Albany Medical College of Union University in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Chee Man 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) |
| 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)Clinician Public Reporting: Overall MIPS Performance (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. Chee Man 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. Chee Man Chan's NPI number?
Dr. Chee Man Chan's NPI number is 1912093618. It was assigned on October 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chee Man Chan?
Dr. Chee Man Chan is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chee Man Chan practice?
Dr. Chan practices at 110 Irving Street NW, Washington, DC 20010. Dr. Chan's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dmand AI also links Dr. Chan to 2 medical groups.
What is Dr. Chee Man Chan's office phone number?
The practice phone on file for Dr. Chan is (202) 877-7000.
What is Dr. Chee Man Chan's medical license number?
Dr. Chan holds New York license 60236580.
Which hospitals is Dr. Chee Man Chan affiliated with?
Dr. Chan practices at MedStar Washington Hospital Center in Washington, District of Columbia.
What medical group is Dr. Chee Man Chan part of?
Dr. Chan is linked to MedStar Medical Group. Dmand AI links Dr. Chan to 2 more medical groups.
Does Dr. Chee Man Chan accept Medicare?
Yes. CMS data shows Dr. Chan billed Medicare for 647 services in 2024, and Dr. Chan accepts Medicare assignment.
Does Dr. Chee Man Chan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chan as offering telehealth services.
What is Dr. Chee Man Chan's MIPS score?
Dr. Chan's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Chee Man Chan see?
CMS counts 320 Medicare patients who saw Dr. Chan in 2024, with an average age of 71.
What services does Dr. Chee Man Chan bill to Medicare?
In 2024, Dr. Chan's most billed Medicare services were critical care (99291), hospital inpatient care (99233) and medicare service (G2211).
Where did Dr. Chee Man Chan go to medical school?
Dr. Chan graduated from Albany Medical College of Union University in 2001.
What drugs does Dr. Chee Man Chan prescribe most?
In 2024 Medicare Part D data, Dr. Chan's most prescribed drugs by claims were Albuterol Sulfate Hfa, Spiriva Respimat and Symbicort.
Has Dr. Chee Man Chan received payments from drug or device companies?
CMS Open Payments shows $124,764 in general payments to Dr. Chan from 14 companies from 2016 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Chee Man Chan been practicing?
Dr. Chan graduated from medical school in 2001, 25 years ago.
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