Physician Profile
William Pfau, M.D. is a healthcare provider in Reno, NV specializing in gastroenterology. William trained at University of Kansas School of Med (Kc/Wich/Sal), graduating in 1996. William is also listed as specializing in internal medicine. Medicare claims data shows William provided 980 services to 936 patients. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
655 SIERRA ROSE DR
Reno, NV 89511
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
980 services · 936 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
180 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
91 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
66 |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
62 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
33 |
| Removal of external hemorrhoids by rubber banding | Procedure | 46221 |
23 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
14 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
108 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
99 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
92 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
William Pfau is a gastroenterologist in Reno, NV. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
William Pfau is listed at 655 Sierra Rose Dr, Reno, NV 89511. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (775) 829-7600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
William Pfau's National Provider Identifier is 1346204641. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
William Pfau attended University of Kansas School of Med (Kc/Wich/Sal), graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
William Pfau has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, William Pfau performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by William Pfau. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.