Physician Profile
William S. Dyer, M.D.
Unclaimed ProfileAbout Dr. Dyer
William S. Dyer, M.D. practices gastroenterology in Mountain Home, AR. William is a 1985 graduate of Louisiana State University School of Medicine in New Orleans. Medicare claims data shows William provided 990 services to 937 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (870) 425-4416
- Email not available
Practice Locations
228 BUCHER DR
Mountain Home, AR 72653
Conditions Commonly Evaluated or Treated
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.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
- Acute pancreatitis
- Gallstones
- Pancreatic cysts
- Primary sclerosing cholangitis
Colon and anorectal
- Anal fissure
- Colon cancer
- Colon polyps
- Lower gastrointestinal bleeding
Esophagus and swallowing
- Barrett's esophagus
- Eosinophilic esophagitis
- Esophageal stricture
- Esophagitis
Functional bowel and motility
- Chronic diarrhea
- Fecal incontinence
- Small intestinal bacterial overgrowth
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
- Functional dyspepsia
- Gastritis
- Gastroparesis
- H. pylori infection
- Peptic ulcer disease
Bowel & Colon
- Diverticulitis
Digestive Symptoms
- Constipation
Gallbladder & Bile Ducts
- Blocked Bile Duct
Procedures & services
Most searched procedures
- Colonoscopy
- Endoscopy
- Gallbladder removal
- Hernia repair
- Liver biopsy
Lower endoscopy
- Colon polyp removal
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Upper endoscopy
- Endoscopic submucosal dissection
- Esophageal dilation
Capsule and physiology testing
- Anorectal manometry
- Capsule endoscopy
- Esophageal manometry
Diagnostic Testing
- 24-Hour Acid Reflux Test
- EUS-Guided Fine Needle Biopsy
- H. Pylori Breath Test
- SIBO Breath Test
Liver procedures
- Esophageal variceal banding
- Liver elastography
- Paracentesis
Treatments
- Stool Transplant
Procedures Most Often Billed to Medicare
990 services · 937 patients · 20 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
234 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
80 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
72 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
66 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
24 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
13 |
| Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare | Procedure | 43251 |
12 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
86 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
62 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
50 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Louisiana State University School of Medicine in New Orleans 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Louisiana State University School of Medicine in New Orleans 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in AR who bill this service to Medicare most often.
Common questions
What is William S. Dyer's specialty?
William S. Dyer is a gastroenterology in Mountain Home, AR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find William S. Dyer?
William S. Dyer is listed at 228 Bucher Dr, Mountain Home, AR 72653. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact William S. Dyer?
The number on file is (870) 425-4416. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for William S. Dyer?
William S. Dyer's National Provider Identifier is 1437114717. 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
What is William S. Dyer's education?
William S. Dyer attended Louisiana State University School of Medicine in New Orleans, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does William S. Dyer have?
William S. Dyer has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What is William S. Dyer known for?
According to Medicare billing data, William S. Dyer performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is William S. Dyer's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William S. Dyer. 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.