Physician Profile
Unclaimed ProfileAbout ALVAREZ
John Jacob 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.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (210) 271-0606
- Email not available
Practice Locations
520 E EUCLID AVE
San Antonio, TX 78212
Procedures Most Often Billed to Medicare
944 services · 842 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
87 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
54 |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
38 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
31 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
26 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
24 |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
22 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
21 |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
16 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
15 |
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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 gastroenterology specialists 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 Dr. Alvarez?
Dr. Alvarez 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
What is Dr. Alvarez's address?
Dr. 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 Dr. Alvarez?
The number on file is (210) 271-0606. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Alvarez?
Dr. 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 Dr. Alvarez train?
Dr. 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 Dr. Alvarez have?
Dr. 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 Dr. Alvarez perform?
According to Medicare billing data, Dr. 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 Dr. Alvarez's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Alvarez. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.