Dr. John Kingsley Chang, MD
- Medicare services, 2024
- 547
- Medicare patients, 2024
- 455
- Hospital affiliations
- 6
- Industry payments
- $521
- Medical groups
- 21
- Practice address
- 435 Hurffville Cross Keys Rd, Turnersville, NJ 08012
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Rancocas Anesthesia - HOPD
Acute Care Hospital outpatient department · Turnersville, New Jersey
Find Dr. Chang's professional email, personal email and mobile number
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Dr. John Kingsley Chang is a diagnostic radiologist in Blackwood, New Jersey
Dr. Chang practices at Rancocas Anesthesia - HOPD in Turnersville, New Jersey.
Dr. Chang's NPI, 1720063852, was assigned on December 13, 2005. Dr. Chang graduated from University of Iowa, RJ & L Carver College of Medicine in 1996. Dr. Chang holds Hawaii license MD-12144.
- NPI
- 1720063852NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042248486
- NPI enumeration date
- December 13, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Kingsley Chang practices at Rancocas Anesthesia - HOPD in Turnersville, New Jersey
Dr. Chang's primary practice is Rancocas Anesthesia - HOPD, at 435 Hurffville Cross Keys Rd, Turnersville, NJ 08012.
- Rancocas Anesthesia - HOPD435 Hurffville Cross Keys Rd, Turnersville, NJ 08012
Source: Dmand AI Affiliation Data
Dr. John Kingsley Chang is affiliated with 23 sites of care and 21 medical groups
Dr. Chang's primary practice is Rancocas Anesthesia - HOPD in Turnersville, New Jersey. Dr. Chang is also affiliated with Jefferson Stratford Hospital. The medical group on file is Jefferson Community Physicians of New Jersey. Dmand AI also links Dr. Chang to 5 more hospitals, 20 medical groups and 16 group practices and clinics, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Kingsley Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 23 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rancocas Anesthesia - HOPD | Available with a free account |
| +22 more sites and 20 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Kingsley Chang is one of 1,002 diagnostic radiologists in New Jersey
Diagnostic radiology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Chang's licenses on file in 2 states: Hawaii and Vermont.
Specialties and state licenses
- Diagnostic radiology, HawaiiPrimary
- Vermont license
Diagnostic radiologists near Dr. Chang
Counts of diagnostic radiologists 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. John Kingsley Chang billed Medicare for 547 services in 2024
CMS data shows 547 Medicare services from Dr. Chang across 11 procedure codes in 2024, for 455 Medicare patients. Medicare paid $26,833 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 7892024: 54731%
Dr. Chang compared with the New Jersey median for diagnostic radiologists, 2024
- Dr. Chang
- New Jersey median
- Medicare services
- 547vs 3,46684% below
- Medicare patients
- 455vs 1,78875% below
Medians across 1,017 diagnostic radiologists in New Jersey 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other diagnostic radiologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Kingsley Chang treated 455 Medicare patients in 2024, average age 77
CMS counts 455 Medicare patients who saw Dr. Chang in 2024. The largest group is 75 to 84, with 165 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.14, 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 59, with 51% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women24855%
- Men20745%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Ischemic heart disease49%
- Mood disorders46%
- Anxiety43%
- Chronic kidney disease43%
- Depression42%
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 59
Patient panel by sex, all payers
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John Kingsley 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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Dr. John Kingsley Chang received $521 in industry payments from 2017 to 2024
CMS Open Payments shows 6 general payments to Dr. Chang from 5 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $244.
General payments to Dr. Chang by program year, 2017 to 2024
Companies that paid Dr. Chang the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Kingsley Chang graduated from University of Iowa, RJ & L Carver College of Medicine
Dr. Chang graduated from University of Iowa, RJ & L Carver College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Kingsley 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 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) |
| 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 Dr. John Kingsley 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. John Kingsley Chang's NPI number?
Dr. John Kingsley Chang's NPI number is 1720063852. It was assigned on December 13, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Kingsley Chang?
Dr. John Kingsley Chang is a diagnostic radiologist in Blackwood, New Jersey. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. John Kingsley Chang practice?
Dr. Chang practices at 435 Hurffville Cross Keys Rd, Turnersville, NJ 08012. Dr. Chang's primary practice is Rancocas Anesthesia - HOPD in Turnersville, New Jersey. Dmand AI also links Dr. Chang to 5 hospitals, 20 medical groups and 16 group practices and clinics.
What is Dr. John Kingsley Chang's medical license number?
Dr. Chang holds Hawaii license MD-12144, one of the licenses on file in 2 states.
Which states has Dr. John Kingsley Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in Hawaii and Vermont.
Which hospitals is Dr. John Kingsley Chang affiliated with?
Dr. Chang is affiliated with Jefferson Stratford Hospital. Dmand AI links Dr. Chang to 5 more hospitals.
What medical group is Dr. John Kingsley Chang part of?
Dr. Chang is linked to Jefferson Community Physicians of New Jersey. Dmand AI links Dr. Chang to 20 more medical groups.
Does Dr. John Kingsley Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 547 services in 2024, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. John Kingsley Chang see?
CMS counts 455 Medicare patients who saw Dr. Chang in 2024, with an average age of 77.
What services does Dr. John Kingsley Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were diagnostic imaging (74177), diagnostic imaging (70450) and diagnostic imaging (71275).
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Where did Dr. John Kingsley Chang go to medical school?
Dr. Chang graduated from University of Iowa, RJ & L Carver College of Medicine in 1996.
Has Dr. John Kingsley Chang received payments from drug or device companies?
CMS Open Payments shows $521 in general payments to Dr. Chang from 5 companies from 2017 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. John Kingsley Chang been practicing?
Dr. Chang graduated from medical school in 1996, 30 years ago.
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