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Edit this profileAt a glance
- 520 E Euclid Ave, San Antonio, TX 78212
About Dr. Alvarez
John J. Alvarez, M.D. practices gastroenterology in San Antonio, TX. John is a 2012 graduate of University of Texas Medical School at San Antonio. Medicare claims data shows John provided 944 services to 842 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1255692083.
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
- (210) 271-0606
- Email not available
Practice Locations
520 E EUCLID AVE
San Antonio, TX 78212
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
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
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
944 services · 842 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
87 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
54 | As often as other peers in Gastroenterology |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
38 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
31 | Less often than most peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
26 | As often as other peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
24 | As often as other peers in Gastroenterology |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
22 | As often as other peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
21 | As often as other peers in Gastroenterology |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
16 | Less often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
15 | Less 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 8
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 — 31 related providers in 4 groups
Other gastroenterologists in San Antonio 8
Same specialty, same city.
Trained at University of Texas Medical School at San Antonio 7
Other providers in the same specialty who trained at the same institution.
Class of 2012 at University of Texas Medical School at San Antonio 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 TX who bill this service to Medicare most often.
Common questions
What kind of doctor is John J. Alvarez?
John J. Alvarez is a gastroenterologist in San Antonio, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is John J. Alvarez's address?
John J. Alvarez is listed at 520 E Euclid Ave, San Antonio, TX 78212. 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 J. Alvarez?
The number on file is (210) 271-0606. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John J. Alvarez?
John J. Alvarez's National Provider Identifier is 1255692083. 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 J. Alvarez train?
John J. Alvarez attended University of Texas Medical School at San Antonio, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John J. Alvarez have?
John J. Alvarez has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does John J. Alvarez perform?
According to Medicare billing data, John J. Alvarez performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; reads or performs imaging such as review by radiologist of image from tube placement into bile duct using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John J. Alvarez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John J. Alvarez. If this is you, claiming it is free.
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