Dr. Derrick Williams, MD
What this data tells you about Dr. Williams
Dr. Derrick Williams is an anesthesiology specialist in Detroit, MI, with 17 years of NPI registration. Based on federal Medicare data, Dr. Williams performed 166 Medicare services in 2023. These records do not provide a deduplicated patient total.
The Data Coverage level for Dr. Williams is 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 |
|---|---|---|---|
| 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. |
25 | $71 | $782 |
| Anesthesia for x-ray or radiation therapy Administration of anesthesia during x-ray or radiation therapy procedures. |
24 | $107 | $1,138 |
| Arterial line insertion A tube is inserted into an artery through the skin to allow for blood sampling or infusion. |
19 | $37 | $144 |
| Anesthesia for x-ray of brain, heart, or chest artery Administration of anesthesia during an x-ray procedure involving the arteries of the brain, heart, or chest. |
17 | $223 | $1,958 |
| Anesthesia for large bowel endoscopy Administration of anesthesia during a procedure to examine the large bowel using an endoscope. |
16 | $62 | $708 |
| Anesthesia for closed chest procedure Administration of anesthesia for a closed surgical procedure involving the chest. |
15 | $151 | $1,380 |
| Anesthesia for heart and large blood vessel procedure Administration of anesthesia during surgical procedures involving the heart and major blood vessels. |
15 | $302 | $2,416 |
| Transesophageal echocardiogram An ultrasound of the heart performed using a probe inserted into the esophagus to obtain detailed images of heart structures and function. |
12 | $86 | $342 |
| Echocardiogram, transthoracic An ultrasound test that uses sound waves to create images of the heart's blood flow, valves, and chambers. |
12 | $14 | $66 |
| Anesthesia for heart electrical activity assessment Administration of anesthesia during a procedure to evaluate the electrical activity of the heart. |
11 | $177 | $1,920 |
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 | — No payments | N/A |
| Disciplinary History | — Not included | N/A |
This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Williams is a mixed practice specialist, with moderate Medicare volume, with 17 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. Williams experienced with anesthesia for endoscopic procedure on esophagus, stomach, or upper small bowel?
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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 ↗, 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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