Dr. Victor A. Chang, MD
- Medicare services, 2024
- 2,043
- Medicare patients, 2024
- 514
- Part D claims, 2024
- 1,817
- MIPS score, 2024
- 93
- Hospital affiliations
- 4
- Practice address
- 20 York Street, New Haven, CT 06510
- Practice phone
- Call (203) 688-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale New Haven Psychiatric Hospital (York St)
Psychiatric Inpatient Facility · New Haven, Connecticut
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. Victor A. Chang is a hematology (internal medicine) physician in New Haven, Connecticut
Dr. Chang practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Dr. Chang's NPI, 1760423867, was assigned on June 9, 2006. Dr. Chang graduated from Albany Medical College in 1992. Dr. Chang holds Connecticut license 037275.
- NPI
- 1760423867NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416992151
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 688-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Victor A. Chang practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Dr. Chang's primary practice is Yale New Haven Psychiatric Hospital (York St), at 20 York Street, New Haven, CT 06510. The practice phone is (203) 688-5900.
- Yale New Haven Psychiatric Hospital (York St)20 York Street, New Haven, CT 06510Phone(203) 688-5900
Source: Dmand AI Affiliation Data
Dr. Victor A. Chang is affiliated with 9 sites of care and 2 medical groups
Dr. Chang's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dr. Chang is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Dr. Chang to 3 more hospitals, 2 group practices and clinics, 1 home health agency, 1 hospice and 1 medical group, 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. Victor A. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale New Haven Psychiatric Hospital (York St) | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Victor A. Chang is one of 17 hematology (internal medicine) physicians in Connecticut
Internal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207RH0000X. The record also lists hematology. Dr. Chang is licensed in Connecticut.
Specialties and state licenses
- Hematology (internal medicine), ConnecticutPrimary
Hematology (internal medicine) physicians near Dr. Chang
Counts of hematology (internal medicine) physicians 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. Victor A. Chang billed Medicare for 2,043 services in 2024
CMS data shows 2,043 Medicare services from Dr. Chang across 14 procedure codes in 2024, for 514 Medicare patients. Medicare paid $131,895 for them.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,5972024: 1,27620%
- Lab and pathology
- 2023: 2522024: 46585%
- Surgery
- 2023: 992024: 17173%
- Tests and treatments
- 2023: 432024: 131205%
Where Dr. Chang's Medicare services took place, 2024
- In an office1,69283%
- In a facility35117%
Dr. Chang compared with the Connecticut median for hematology (internal medicine) physicians, 2024
- Dr. Chang
- Connecticut median
- Medicare services
- 2,043vs 2647.7 times
- Medicare patients
- 514vs 905.7 times
- Part D claims
- 1,431vs 12211.7 times
Medians across 19 hematology (internal medicine) physicians in Connecticut 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Victor A. Chang treated 514 Medicare patients in 2024, average age 76
CMS counts 514 Medicare patients who saw Dr. Chang in 2024. The largest group is 75 to 84, with 229 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.16, 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 73, with 47% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women24347%
- Men27153%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Ischemic heart disease43%
- Cancer42%
- Anxiety36%
- Diabetes33%
- COPD29%
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 73
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Victor A. Chang wrote 1,817 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 1,817 Medicare Part D claims for 324 patients. 76% of them were for generic drugs. CMS names the drug for 1,431 of them, across 41 drugs with 11 or more claims each, at $3,123,227 in total drug cost. In 2023, CMS named 1,776 claims across 49 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic1,378 claims76%
- Brand-name and other439 claims24%
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
- Opioids8%154 of 1,817 claims
- Antibiotics2%36 of 1,817 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: 1,7762024: 1,43119%
Drugs named by CMS: 41 in 2024, 49 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. Victor A. Chang scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 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
- 93of 100Final score
- 98.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 44of 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. Victor A. Chang received $3,967 in industry payments from 2016 to 2025
CMS Open Payments shows 116 general payments to Dr. Chang from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $621.
General payments to Dr. Chang by program year, 2016 to 2025
General payments to Dr. Chang by kind, 2016 to 2025
- Food and beverage$3,92299%
- Education$451%
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. Victor A. Chang graduated from Albany Medical College
Dr. Chang graduated from Albany Medical College in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Victor A. 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) |
| 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. Victor A. 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. Victor A. Chang's NPI number?
Dr. Victor A. Chang's NPI number is 1760423867. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Victor A. Chang?
Dr. Victor A. Chang is a hematology (internal medicine) physician in New Haven, Connecticut. The primary specialty in the NPI Registry is Hematology (Internal Medicine) Physician (taxonomy code 207RH0000X).
Where does Dr. Victor A. Chang practice?
Dr. Chang practices at 20 York Street, New Haven, CT 06510. Dr. Chang's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Dr. Chang to 3 hospitals, 2 group practices and clinics, 1 home health agency, 1 hospice and 1 medical group.
What is Dr. Victor A. Chang's office phone number?
The practice phone on file for Dr. Chang is (203) 688-5900.
What is Dr. Victor A. Chang's medical license number?
Dr. Chang holds Connecticut license 037275.
Which hospitals is Dr. Victor A. Chang affiliated with?
Dr. Chang is affiliated with Yale New Haven Hospital. Dmand AI links Dr. Chang to 3 more hospitals.
What medical group is Dr. Victor A. Chang part of?
Dr. Chang is linked to Yale Health. Dmand AI links Dr. Chang to 1 more medical group.
Does Dr. Victor A. Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 2,043 services in 2024, and Dr. Chang accepts Medicare assignment.
Does Dr. Victor A. Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.
What is Dr. Victor A. Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Victor A. Chang see?
CMS counts 514 Medicare patients who saw Dr. Chang in 2024, with an average age of 76.
What services does Dr. Victor A. Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and hospital inpatient care (99233).
Where did Dr. Victor A. Chang go to medical school?
Dr. Chang graduated from Albany Medical College in 1992.
What drugs does Dr. Victor A. Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Eliquis, Ondansetron ODT and Oxycodone HCl.
Has Dr. Victor A. Chang received payments from drug or device companies?
CMS Open Payments shows $3,967 in general payments to Dr. Chang from 22 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Victor A. Chang been practicing?
Dr. Chang graduated from medical school in 1992, 34 years ago.
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