Dr. George Chang, MD
- Medicare services, 2024
- 1,438
- Medicare patients, 2024
- 730
- Part D claims, 2024
- 1,492
- Publications
- 2
- MIPS score, 2024
- 82
- 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. Chang'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. George Chang is a urologist in Washington, District of Columbia
Dr. Chang practices at MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health.
Dr. Chang's NPI, 1851368872, was assigned on March 8, 2006. Dr. Chang graduated from Howard University College of Medicine in 1991. Dr. Chang holds District of Columbia license MD30881.
- NPI
- 1851368872NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557490679
- NPI enumeration date
- March 8, 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
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. George Chang practices at MedStar Washington Hospital Center in Washington, District of Columbia
Dr. Chang'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. George Chang is affiliated with 3 sites of care and 1 medical group
Dr. Chang's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dr. Chang is also affiliated with MedStar St. Mary's Hospital. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Chang to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. George Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 3 sites in all. 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 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. George Chang is one of 40 urologists in District of Columbia
Urology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Chang is licensed in District of Columbia.
Specialties and state licenses
- Urology, District of ColumbiaPrimary
Urologists near Dr. Chang
Counts of urologists 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. George Chang billed Medicare for 1,438 services in 2024
CMS data shows 1,438 Medicare services from Dr. Chang across 14 procedure codes in 2024, for 730 Medicare patients. Medicare paid $86,790 for them.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0542024: 1,050No change
- Surgery
- 2023: 3592024: 3765%
- Other services
- 2023: 02024: 12
Where Dr. Chang's Medicare services took place, 2024
- In an office191%
- In a facility1,41999%
Dr. Chang compared with the District of Columbia median for urologists, 2024
- Dr. Chang
- District of Columbia median
- Medicare services
- 1,438vs 79381% above
- Medicare patients
- 730vs 3072.4 times
- Part D claims
- 1,437vs 2625.5 times
Medians across 37 urologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Chang'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. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other urologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. George Chang treated 730 Medicare patients in 2024, average age 74
CMS counts 730 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 295 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.58, 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. Chang's median patient age at 66, with 12% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women10715%
- Men62385%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes47%
- Arthritis37%
- Chronic kidney disease35%
- Ischemic heart disease31%
- Cancer21%
- Heart failure19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chang'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
- Women12%
- Men86%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. George Chang wrote 1,492 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 1,492 Medicare Part D claims for 394 patients. 98% of them were for generic drugs. CMS names the drug for 1,437 of them, across 12 drugs with 11 or more claims each, at $222,420 in total drug cost. In 2023, CMS named 1,125 claims across 10 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic1,462 claims98%
- Brand-name30 claims2%
Dr. Chang'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. Chang's Part D claims, 2024
- Antibiotics5%81 of 1,492 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: 1,1252024: 1,43728%
Drugs named by CMS: 12 in 2024, 10 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. George Chang scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Chang for performance year 2024, reported as part of a group. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chang's MIPS scores, performance year 2024
- 82of 100Final score
- 67.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. George Chang has 2 publications on record
Dmand AI links 2 papers to Dr. Chang, published from 2020 to 2021. Dr. Chang's most frequent co-authors are Arshad A. Khan, MD, Paul H. Sugarbaker, MD and Moutasem Aljundi.
Dr. Chang's most frequent co-authors
- Arshad A. Khan, MD2 shared papers
- Paul H. Sugarbaker, MD2 shared papers
- Moutasem Aljundi1 shared paper
Recent publications by Dr. Chang
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. George Chang received $2,049 in industry payments from 2016 to 2025
CMS Open Payments shows 65 general payments to Dr. Chang from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 80% of the total. Astellas Pharma US Inc paid the most, $514.
General payments to Dr. Chang by program year, 2016 to 2025
General payments to Dr. Chang by kind, 2016 to 2025
- Food and beverage$1,63880%
- Education$41120%
Companies that paid Dr. Chang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. George Chang graduated from Howard University College of Medicine
Dr. Chang graduated from Howard University College of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. George Chang'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. George Chang
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. George Chang's NPI number?
Dr. George Chang's NPI number is 1851368872. It was assigned on March 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. George Chang?
Dr. George Chang is a urologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. George Chang practice?
Dr. Chang practices at 110 Irving Street NW, Washington, DC 20010. Dr. Chang's primary practice is MedStar Washington Hospital Center in Washington, District of Columbia, part of MedStar Health. Dmand AI also links Dr. Chang to 1 group practice or clinic.
What is Dr. George Chang's office phone number?
The practice phone on file for Dr. Chang is (202) 877-7000.
What is Dr. George Chang's medical license number?
Dr. Chang holds District of Columbia license MD30881.
Which hospitals is Dr. George Chang affiliated with?
Dr. Chang practices at MedStar Washington Hospital Center in Washington, District of Columbia. Dr. Chang is also affiliated with MedStar St. Mary's Hospital.
What medical group is Dr. George Chang part of?
Dr. Chang is linked to MedStar Medical Group.
Does Dr. George Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 1,438 services in 2024, and Dr. Chang accepts Medicare assignment.
Does Dr. George Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.
What is Dr. George Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. George Chang see?
CMS counts 730 Medicare patients who saw Dr. Chang in 2024, with an average age of 74.
What services does Dr. George Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were office visit, established patient (99214), surgery: urinary system (51702) and office visit, established patient (99212).
Where did Dr. George Chang go to medical school?
Dr. Chang graduated from Howard University College of Medicine in 1991.
What drugs does Dr. George Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Bicalutamide.
Has Dr. George Chang received payments from drug or device companies?
CMS Open Payments shows $2,049 in general payments to Dr. Chang from 24 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. George Chang been practicing?
Dr. Chang graduated from medical school in 1991, 35 years ago.
Does Dr. George Chang do research?
Dmand AI links 2 publications to Dr. Chang, published from 2020 to 2021.
Who does Dr. George Chang publish with?
Dr. Chang's most frequent co-authors are Arshad A. Khan, MD (2 shared papers), Paul H. Sugarbaker, MD (2 shared papers) and Moutasem Aljundi (1 shared paper).
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