Are you John D. Cluley, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 1305 Wonder World Dr, Ste 200, San Marcos, TX 78666
About Dr. Cluley
Based in San Marcos, TX, John D. Cluley, M.D. is listed in the NPI registry under gastroenterology. John graduated from University of Texas Medical School at San Antonio in 2009. John is also listed as specializing in internal medicine. According to Medicare claims data, John cared for 850 Medicare patients across 894 services. The services billed most often include removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of large bowel using a flexible endoscope, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. NPI 1790915858 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (512) 754-8676
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1305 WONDER WORLD DR STE 200
San Marcos, TX 78666
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
Chronic conditions
Liver health
Specialized and cancer
Wound care
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Advanced endoscopy
Biliary and pancreatic endoscopy
Capsule and physiology testing
- Ambulatory reflux monitoring
- Capsule endoscopy
- Hydrogen and methane breath testing
- Anorectal manometry
- Esophageal manometry
Chronic illness
Clinical Nutrition
Diagnostic Testing
Digestive
General surgery
Infection & Microbiology Tests
Liver procedures
Lower endoscopy
- Colon polyp removal
- Diagnostic colonoscopy
- Endoscopic control of gastrointestinal bleeding
- Flexible sigmoidoscopy
Nursing care
Nutrition & Digestion
Upper endoscopy
- Endoscopic mucosal resection
- Esophageal biopsy
- Esophageal dilation
- Stomach biopsy
- Endoscopic submucosal dissection
Most searched procedures
Treatments
Procedures Most Often Billed to Medicare
894 services · 850 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
156 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
144 | More than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
138 | More often than most peers in Gastroenterology |
| Insertion of guide wire with dilation of esophagus using a flexible endoscope | Procedure | 43248 |
47 | More often than most peers in Gastroenterology |
| Removal of external hemorrhoids by rubber banding | Procedure | 46221 |
36 | As often as other peers in Gastroenterology |
| Injection beneath lining of large bowel using a flexible endoscope | Procedure | 45381 |
13 | Less often than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
94 | More often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
73 | As often as other peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
52 | As often as other peers in Gastroenterology |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
37 | More often than most peers in Gastroenterology |
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 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 26 related providers in 4 groups
Other gastroenterologists in San Marcos 2
Same specialty, same city.
Trained at University of Texas Medical School at San Antonio 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of Texas Medical School at San Antonio 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 TX who bill this service to Medicare most often.
Common questions
What kind of doctor is John D. Cluley?
John D. Cluley is a gastroenterologist in San Marcos, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is John D. Cluley's address?
John D. Cluley is listed at 1305 Wonder World Dr Ste 200, San Marcos, TX 78666. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John D. Cluley?
The number on file is (512) 754-8676. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John D. Cluley's NPI number?
John D. Cluley's National Provider Identifier is 1790915858. 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 John D. Cluley train?
John D. Cluley attended University of Texas Medical School at San Antonio, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has John D. Cluley been practicing?
John D. Cluley has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does John D. Cluley perform?
According to Medicare billing data, John D. Cluley performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, biopsy of large bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small 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
Has John D. Cluley confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John D. Cluley. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.