Physician Profile
William M. Farmer, D.O.
Unclaimed ProfileAbout Dr. Farmer
Based in Hattiesburg, MS, William M. Farmer, D.O. is listed in the NPI registry under gastroenterology. William graduated from Kansas City University of Med & Biosciences, College of Osteo Med in 2002. According to Medicare claims data, William cared for 1,516 Medicare patients across 8,662 services. The services billed most often include injection, vedolizumab, intravenous, 1 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 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.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (601) 268-5185
- Email not available
Practice Locations
100 METHODIST BLVD
Hattiesburg, MS 39402
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
8,662 services · 1,516 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
149 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
147 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
132 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
37 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
28 |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
24 |
| Biopsy of lower large bowel using a flexible endoscope | Procedure | 45331 |
19 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
18 |
| Banding of hemorrhoids using a flexible endoscope (sigmoidoscope) | Procedure | 45350 |
14 |
| Ultrasound scan of organ tissue for measuring elasticity | Imaging | 76981 |
59 |
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 gastroenterologists at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Hattiesburg 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Kansas City University of Med & Biosciences, College of Osteo Med 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Kansas City University of Med & Biosciences, College of Osteo Med 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in MS who bill this service to Medicare most often.
Common questions
What does William M. Farmer specialize in?
William M. Farmer is a gastroenterologist in Hattiesburg, MS. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is William M. Farmer located?
William M. Farmer is listed at 100 Methodist Blvd, Hattiesburg, MS 39402. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is William M. Farmer's phone number?
The number on file is (601) 268-5185. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is William M. Farmer's NPI number?
William M. Farmer's National Provider Identifier is 1558374850. 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
Where did William M. Farmer train?
William M. Farmer attended Kansas City University of Med & Biosciences, College of Osteo Med, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has William M. Farmer been practicing?
William M. Farmer has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does William M. Farmer do most often?
According to Medicare billing data, William M. Farmer 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; reads or performs imaging such as ultrasound scan of organ tissue for measuring elasticity and complete ultrasound scan of abdomen; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less and measurement of liver stiffness, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William M. Farmer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William M. Farmer. 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.