Eric Yanbo Chang
- Medicare services, 2024
- 213
- Medicare patients, 2024
- 133
- Part D claims, 2024
- 171
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- 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 Eric 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.
Eric Yanbo Chang is a hematologist and oncologist in New Haven, Connecticut
Eric Chang practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut.
Eric Chang's NPI, 1346777315, was assigned on May 22, 2017. Eric Chang graduated from University of Rochester School of Medicine and Dentistry in 2017. Eric Chang holds Connecticut license 74930.
- NPI
- 1346777315NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274802087
- NPI enumeration date
- May 22, 2017
- 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
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Eric Yanbo Chang practices at Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut
Eric 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
Eric Yanbo Chang is affiliated with 4 sites of care and 1 medical group
Eric Chang's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Eric Chang is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Eric Chang to 2 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Eric Yanbo Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Eric Chang practices, 4 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 |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Eric Yanbo Chang is one of 175 hematologists and oncologists in Connecticut
Hematology and oncology is Eric Chang's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Eric Chang is licensed in Connecticut.
Specialties and state licenses
- Hematology and oncology, ConnecticutPrimary
Hematologists and oncologists near Eric Chang
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
Eric Yanbo Chang billed Medicare for 213 services in 2024
CMS data shows 213 Medicare services from Eric Chang across 7 procedure codes in 2024, for 133 Medicare patients. Medicare paid $19,653 for them.
Eric Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 262024: 213719%
Where Eric Chang's Medicare services took place, 2024
- In an office19692%
- In a facility178%
Eric Chang compared with the Connecticut median for hematologists and oncologists, 2024
- Eric Chang
- Connecticut median
- Medicare services
- 213vs 54161% below
- Medicare patients
- 133vs 20836% below
- Part D claims
- 105vs 45177% below
Medians across 168 hematologists and oncologists in Connecticut with Dmand AI profiles that report each measure.
Eric 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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Medicare shows one payer. Book a meeting to get commercial claims data for Eric Chang and other hematologists and oncologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Eric Yanbo Chang treated 133 Medicare patients in 2024, average age 71
CMS counts 133 Medicare patients who saw Eric Chang in 2024. The largest group is 75 to 84, with 50 patients. 74% of them have high cholesterol, and 72% have high blood pressure. 32% are also on Medicaid. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Eric Chang's median patient age at 70, with 60% women.
Eric Chang's Medicare patients by age, 2024
Eric Chang's Medicare patients by sex, 2024
- Women7859%
- Men5541%
Chronic conditions among Eric Chang's Medicare patients, 2024
- High cholesterol74%
- High blood pressure72%
- Arthritis51%
- Ischemic heart disease38%
- Diabetes35%
- Chronic kidney disease32%
- Mood disorders30%
- Anxiety29%
Share of Medicare patients with each condition. A patient can have several.
Eric 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 70
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Eric Yanbo Chang wrote 171 Medicare Part D claims in 2024
In 2024, Eric Chang wrote 171 Medicare Part D claims for 61 patients. CMS names the drug for 105 of them, across 4 drugs with 11 or more claims each, at $100,978 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Eric 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 Eric Chang's Part D claims, 2024
- Opioids8%14 of 171 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: 182024: 105483%
Drugs named by CMS: 4 in 2024, 1 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
Eric Yanbo Chang scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Eric Chang for performance year 2024, reported as part of a group. Eric Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Eric Chang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Eric Chang's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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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Eric Yanbo Chang received $26 in industry payments in 2024
CMS Open Payments shows 1 general payment to Eric Chang from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $26.
Companies that paid Eric Chang the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Eric Yanbo Chang graduated from University of Rochester School of Medicine and Dentistry
Eric Chang graduated from University of Rochester School of Medicine and Dentistry in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Eric Yanbo 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 Eric Yanbo 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 Eric Yanbo Chang's NPI number?
Eric Yanbo Chang's NPI number is 1346777315. It was assigned on May 22, 2017, and it is active in the NPI Registry.
What does Eric Yanbo Chang specialize in?
Eric Yanbo Chang is a hematologist and oncologist in New Haven, Connecticut. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Eric Yanbo Chang practice?
Eric Chang practices at 20 York Street, New Haven, CT 06510. Eric Chang's primary practice is Yale New Haven Psychiatric Hospital (York St) in New Haven, Connecticut. Dmand AI also links Eric Chang to 2 hospitals.
What is Eric Yanbo Chang's office phone number?
The practice phone on file for Eric Chang is (203) 688-5900.
What is Eric Yanbo Chang's medical license number?
Eric Chang holds Connecticut license 74930.
Which hospitals is Eric Yanbo Chang affiliated with?
Eric Chang is affiliated with Yale New Haven Hospital. Dmand AI links Eric Chang to 2 more hospitals.
What medical group is Eric Yanbo Chang part of?
Eric Chang is linked to Yale Health.
Does Eric Yanbo Chang accept Medicare?
Yes. CMS data shows Eric Chang billed Medicare for 213 services in 2024, and Eric Chang accepts Medicare assignment.
Does Eric Yanbo Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Eric Chang as offering telehealth services.
What is Eric Yanbo Chang's MIPS score?
Eric Chang's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Eric Yanbo Chang see?
CMS counts 133 Medicare patients who saw Eric Chang in 2024, with an average age of 71.
What services does Eric Yanbo Chang bill to Medicare?
In 2024, Eric Chang's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99215).
Where did Eric Yanbo Chang go to medical school?
Eric Chang graduated from University of Rochester School of Medicine and Dentistry in 2017.
What drugs does Eric Yanbo Chang prescribe most?
In 2024 Medicare Part D data, Eric Chang's most prescribed drugs by claims were Eliquis, Xarelto and Prednisone.
Has Eric Yanbo Chang received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Eric Chang from 1 company from 2024 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Eric Yanbo Chang been practicing?
Eric Chang graduated from medical school in 2017, 9 years ago.
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