Michael Chang
- Medicare services, 2024
- 107
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 236
- Hospital affiliations
- 1
- Industry payments
- $548
- Practice address
- 89th Avenue and Van Wyck Expressway, Jamaica, NY 11418
- Practice phone
- Call (718) 262-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Michael Chang's professional email, personal email and mobile number
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Michael Chang is a nephrologist in Richmond Hill, New York
Michael Chang practices at Jamaica Hospital Medical Center in Jamaica, New York, part of MediSys Health Network.
Michael Chang's NPI, 1619435898, was assigned on March 7, 2019. Michael Chang graduated from Rush Medical College of Rush University Medical Center in 2019. Michael Chang holds New York license 319395.
- NPI
- 1619435898NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547707309
- NPI enumeration date
- March 7, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 262-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Chang practices in Jamaica and Richmond Hill
Michael Chang's primary practice is Jamaica Hospital Medical Center, at 89th Avenue and Van Wyck Expressway, Jamaica, NY 11418 in Queens County. The practice phone is (718) 262-6000. Michael Chang also practices at Jamaica Hospital Medical Center, 89- Van Wyck Expy, Richmond Hill, NY 11418.
- Jamaica Hospital Medical CenterPrimary89th Avenue and Van Wyck Expressway, Jamaica, NY 11418 · Queens CountyPhone(718) 262-6000
- Jamaica Hospital Medical Center89- Van Wyck Expy, Richmond Hill, NY 11418 · Queens CountyPhone(718) 206-8918
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Michael Chang is affiliated with 1 site of care and 1 medical group
Michael Chang's primary practice is Jamaica Hospital Medical Center in Jamaica, New York, part of MediSys Health Network. The medical group on file is Jamaica Hospital Medical Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Michael Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jamaica Hospital Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Chang is one of 914 nephrologists in New York
Nephrology is Michael Chang's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Michael Chang is licensed in New York.
Specialties and state licenses
- Nephrology, New YorkPrimary
Nephrologists near Michael Chang
Counts of nephrologists 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
Michael Chang billed Medicare for 107 services in 2024
CMS data shows 107 Medicare services from Michael Chang across 1 procedure code in 2024, for 28 Medicare patients. Medicare paid $7,321 for them. Every service was in a facility, such as a hospital, rather than an office.
Michael Chang compared with the New York median for nephrologists, 2024
- Michael Chang
- New York median
- Medicare services
- 107vs 68984% below
- Medicare patients
- 28vs 21787% below
- Part D claims
- 108vs 43675% below
Medians across 892 nephrologists in New York with Dmand AI profiles that report each measure.
Michael 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 Michael Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Michael Chang and other nephrologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Michael Chang treated 28 Medicare patients in 2024, average age 72
CMS counts 28 Medicare patients who saw Michael Chang in 2024. 75% of them have chronic kidney disease, and 75% have high blood pressure. Their average risk score is 4.89, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Michael Chang's median patient age at 69, with 49% women.
Michael Chang's Medicare patients by sex, 2024
- Women1346%
- Men1554%
Chronic conditions among Michael Chang's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes68%
- Heart failure54%
- Atrial fibrillation43%
Share of Medicare patients with each condition. A patient can have several.
Michael 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 69
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Michael Chang wrote 236 Medicare Part D claims in 2024
In 2024, Michael Chang wrote 236 Medicare Part D claims for 53 patients. 75% of them were for generic drugs. CMS names the drug for 108 of them, across 7 drugs with 11 or more claims each, at $68,793 in total drug cost.
Michael Chang's Part D claims by kind of drug, 2024
- Generic178 claims75%
- Brand-name and other58 claims25%
Michael 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.
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
How Michael Chang takes part in Medicare
Michael Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Michael Chang received $548 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Michael Chang from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Otsuka Pharmaceutical Development & Commercialization, Inc. paid the most, $250.
General payments to Michael Chang by program year, 2024 to 2025
Companies that paid Michael Chang the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Michael Chang graduated from Rush Medical College of Rush University Medical Center
Michael Chang graduated from Rush Medical College of Rush University Medical Center in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Michael 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| 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 Michael Chang
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What is Michael Chang's NPI number?
Michael Chang's NPI number is 1619435898. It was assigned on March 7, 2019, and it is active in the NPI Registry.
What does Michael Chang specialize in?
Michael Chang is a nephrologist in Richmond Hill, New York. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Michael Chang practice?
Michael Chang practices at 89th Avenue and Van Wyck Expressway, Jamaica, NY 11418. Michael Chang also practices at 89- Van Wyck Expy, Richmond Hill, NY 11418. Michael Chang's primary practice is Jamaica Hospital Medical Center in Jamaica, New York, part of MediSys Health Network.
What is Michael Chang's office phone number?
The practice phone on file for Michael Chang is (718) 262-6000.
What is Michael Chang's medical license number?
Michael Chang holds New York license 319395.
Which hospitals is Michael Chang affiliated with?
Michael Chang practices at Jamaica Hospital Medical Center in Jamaica, New York.
What medical group is Michael Chang part of?
Michael Chang is linked to Jamaica Hospital Medical Center.
Does Michael Chang accept Medicare?
Yes. CMS data shows Michael Chang billed Medicare for 107 services in 2024, and Michael Chang accepts Medicare assignment.
How many Medicare patients does Michael Chang see?
CMS counts 28 Medicare patients who saw Michael Chang in 2024, with an average age of 72.
What services does Michael Chang bill to Medicare?
In 2024, Michael Chang's most billed Medicare services were hospital inpatient care (99232).
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Where did Michael Chang go to medical school?
Michael Chang graduated from Rush Medical College of Rush University Medical Center in 2019.
What drugs does Michael Chang prescribe most?
In 2024 Medicare Part D data, Michael Chang's most prescribed drugs by claims were Nifedipine ER, Xphozah and Velphoro.
Has Michael Chang received payments from drug or device companies?
CMS Open Payments shows $548 in general payments to Michael Chang from 3 companies from 2024 to 2025. The largest total came from Otsuka Pharmaceutical Development & Commercialization, Inc.
How long has Michael Chang been practicing?
Michael Chang graduated from medical school in 2019, 7 years ago.
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