Dr. Changzheng Wang, M.D.
What this data tells you about Dr. Wang
Dr. Changzheng Wang is an anesthesiology specialist in Denville, NJ, with 21 years of NPI registration. Based on federal Medicare data, Dr. Wang performed 1,957 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Wang received a total of $1,740 from 23 pharmaceutical and/or device companies across 72 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Wang is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary — 2023
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Injection, propofol, 10 mg | 1,258 | $0 | $23 |
| Anesthesia for cataract/lens surgery Administration of anesthesia during eye lens surgery. This code covers the anesthetic service provided for the procedure. |
372 | $100 | $188 |
| Anesthesia for endoscopic procedure on esophagus, stomach, or upper small bowel Administration of anesthesia during an endoscopic procedure involving the esophagus, stomach, or upper small bowel. |
83 | $122 | $1,631 |
| Anesthesia for urinary system procedure via urethra Administration of anesthesia for a surgical procedure on the urinary system performed through the urethra. |
67 | $103 | $160 |
| Anesthesia for corneal transplant Administration of anesthesia during a surgical procedure to replace the cornea of the eye. |
55 | $151 | $268 |
| Anesthesia for large bowel endoscopy Administration of anesthesia during a procedure to examine the large bowel using an endoscope. |
46 | $113 | $4,270 |
| Anesthesia for other eye procedure Administration of anesthesia for surgical procedures on the eye that are not otherwise specified. |
27 | $121 | $223 |
| Anesthesia for anus and rectum procedure Administration of anesthesia during a surgical or diagnostic procedure involving the anus and rectum. |
26 | $146 | $234 |
| Anesthesia for colonoscopy Administration of anesthesia during an examination of the colon using an endoscope. |
23 | $116 | $185 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Wang is a cardiac surgery specialist, with above-average Medicare volume (top 2% in NJ), with 21 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Wang experienced with injection, propofol, 10 mg?
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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