Dr. Ming Z. Chang, MD
- Medicare services, 2018
- 395
- Part D claims, 2024
- 57
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 343 Passaic Ave, Fairfield, NJ 07004-2003
- Practice phone
- Call (973) 227-2308
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Open MRI of Fairfield
Physician office · Fairfield, New Jersey
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. Ming Z. Chang is a general practice physician in Middletown, New York
Dr. Chang practices at Open MRI of Fairfield in Fairfield, New Jersey.
Dr. Chang's NPI, 1700985884, was assigned on September 22, 2006. Dr. Chang holds New Jersey license 25MA04183000.
- NPI
- 1700985884NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840220356
- NPI enumeration date
- September 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (973) 227-2308
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ming Z. Chang practices in Fairfield and Middletown
Dr. Chang's primary practice is Open MRI of Fairfield, at 343 Passaic Ave, Fairfield, NJ 07004-2003. The practice phone is (973) 227-2308. The NPI Registry lists Dr. Chang's practice address as 7 Railroad Ave, Middletown, NY 10940.
- Open MRI of FairfieldPrimary343 Passaic Ave, Fairfield, NJ 07004-2003Phone(973) 227-2308
- NPI Registry address7 Railroad Ave, Middletown, NY 10940 · Orange CountyPhone(201) 418-1000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Ming Z. Chang is affiliated with 1 site of care
Dr. Chang's primary practice is Open MRI of Fairfield in Fairfield, New Jersey.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Ming Z. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Open MRI of Fairfield | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Ming Z. Chang is one of 397 general practice physicians in New York
General practice is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Chang is licensed in New Jersey.
Specialties and state licenses
- General practice, New JerseyPrimary
General practice physicians near Dr. Chang
Counts of general practice 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. Ming Z. Chang billed Medicare for 395 services in 2018
CMS data shows 395 Medicare services from Dr. Chang across 4 procedure codes in 2018. Medicare paid $35,224 for them. Every service was in an office.
Dr. Chang's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 4942018: 26946%
- Tests and treatments
- 2017: 02018: 126
Dr. Chang compared with the New York median for general practice physicians, 2018
- Dr. Chang
- New York median
- Medicare services
- 395vs 35611% above
- Part D claims
- 14vs 12689% below
Medians across 362 general practice physicians in New York with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2018
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. Ming Z. Chang's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 67, with 43% women.
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 67
Patient panel by sex, all payers
- Women43%
- Men57%
Source: Dmand AI Patient Panel Data
Dr. Ming Z. Chang wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 57 Medicare Part D claims. 77% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $162 in total drug cost. In 2023, CMS named 16 claims across 1 drug.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic44 claims77%
- Brand-name and other13 claims23%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 162024: 1413%
Drugs named by CMS: 1 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
How Dr. Ming Z. Chang takes part in Medicare
Dr. 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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Sources for Dr. Ming Z. 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 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 Data |
| 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) |
| 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. Ming Z. 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. Ming Z. Chang's NPI number?
Dr. Ming Z. Chang's NPI number is 1700985884. It was assigned on September 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ming Z. Chang?
Dr. Ming Z. Chang is a general practice physician in Middletown, New York. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Ming Z. Chang practice?
Dr. Chang practices at 343 Passaic Ave, Fairfield, NJ 07004-2003. Dr. Chang also practices at 7 Railroad Ave, Middletown, NY 10940. Dr. Chang's primary practice is Open MRI of Fairfield in Fairfield, New Jersey.
What is Dr. Ming Z. Chang's office phone number?
The practice phone on file for Dr. Chang is (973) 227-2308.
What is Dr. Ming Z. Chang's medical license number?
Dr. Chang holds New Jersey license 25MA04183000.
Does Dr. Ming Z. Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 395 services in 2018, and Dr. Chang accepts Medicare assignment.
What services does Dr. Ming Z. Chang bill to Medicare?
In 2018, Dr. Chang's most billed Medicare services were office visit, established patient (99214), allergy test or treatment (95149) and office visit, established patient (99213).
What drugs does Dr. Ming Z. Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Gabapentin.
How long has Dr. Ming Z. Chang been practicing?
Dr. Chang graduated from medical school in 1974, 52 years ago.
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