Physician Profile
Unclaimed ProfileAbout GUIRL
Michael J Guirl, M.D. is a healthcare provider in San Antonio, TX specialising in gastroenterology. Michael trained at Baylor College of Medicine, graduating in 1997. Medicare claims data shows Michael provided 1,139 services to 1,113 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
Areas of Expertise
Common questions
What does Dr. Guirl specialise in?
Dr. Guirl is a gastroenterology in San Antonio, TX. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Guirl located?
Dr. Guirl is listed at 855 PROTON RD, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Guirl's phone number?
The number on file is (210) 614-1234. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Guirl?
Dr. Guirl's National Provider Identifier is 1962496711. 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 Dr. Guirl go to medical school?
Dr. Guirl attended Baylor College of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Guirl have?
Dr. Guirl has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Guirl do most often?
According to Medicare billing data, Dr. Guirl 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 dilation of esophagus; provides treatments such as measurement of hydrogen in breath to test for stomach and bowel symptoms and imaging of digestive tract done from the inside of the digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Guirl's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Guirl. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (210) 614-1234
- Email not available
Practice Locations
855 PROTON RD
San Antonio, TX 78258
Procedures Most Often Billed to Medicare
1,139 services · 1,113 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
257 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
221 |
| Dilation of esophagus | Procedure | 43450 |
69 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
55 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
20 |
| Biopsy of lower large bowel using a flexible endoscope | Procedure | 45331 |
12 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
11 |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
18 |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
14 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
142 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 7
Same specialty, same street address — most likely the same department or group.
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.
Other gastroenterology specialists in San Antonio 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Baylor College of Medicine 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 7
Providers in TX who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.