Doctor profile · Federal record
Dr. John Alvarez, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · San Antonio, TX
- NPI 1255692083
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 14 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
520 E Euclid Ave
San Antonio, TX 78212
(210) 271-0606
fax (210) 271-0180
Credentials & registration
- NPI registered
- June 2012 — 14 yrs on file
- Profile last updated
- July 26, 2018
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Texas #PIT
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255692083. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,099
Distinct HCPCS
10
Medicare allowed
$134,824
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 239 | 133 | $75 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 146 | 127 | $85 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 85 | 81 | $66 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 75 | 72 | $125 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 59 | 58 | $149 | |
43259 |
Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 57 | 55 | $184 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 56 | 46 | $117 | |
74328 |
Review by radiologist of image from tube placement into bile duct using an endoscope | 54 | 46 | $22 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 34 | 34 | $237 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 30 | 29 | $104 |
In context: peer comparison
Among 38 peers in San Antonio Gastroenterology Physician, average services per provider: 78. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$1,899
Transactions
81
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 11 | $458.93 | |
| Abbvie INC. | 26 | $436.96 | |
| Janssen Biotech, INC. | 25 | $411.05 | |
| Phathom Pharmaceuticals, INC. | 4 | $268.44 | |
| Lilly USA, LLC | 3 | $66.22 | |
| Ipsen Biopharmaceuticals, INC | 2 | $54.57 | |
| RedHill Biopharma INC. | 2 | $35.90 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $34.99 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $31.13 | |
| Regeneron Healthcare Solutions, INC. | 1 | $25.82 | |
| Evoke Pharma, INC. | 1 | $22.97 | |
| Ironwood Pharmaceuticals, INC | 1 | $20.84 | |
| Genzyme Corporation | 1 | $17.55 | |
| Aimmune Therapeutics, INC. | 1 | $14.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,060
Patients
393
Total drug cost
$166,462
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 252 | 86 | $4,454 |
| Omeprazole | Generic | 188 | 60 | $2,761 |
| Famotidine | Generic | 104 | 35 | $2,217 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 89 | 81 | $1,493 |
| Linzess (Linaclotide) | Brand | 68 | 20 | $79,349 |
| Ondansetron Hcl | Generic | 57 | 0 | $799 |
| Dicyclomine Hcl | Generic | 54 | 22 | $1,703 |
| Esomeprazole Magnesium | Generic | 50 | 13 | $5,074 |
| Metoclopramide Hcl | Generic | 47 | 17 | $664 |
| Plenvu (Peg3350/Sod Sul/Nacl/Kcl/Asb/C) | Brand | 40 | 36 | $5,852 |
Hospital affiliations
Frequently asked questions
What is Dr. John Alvarez's medical specialty?
Dr. John Alvarez practices Gastroenterology Physician in San Antonio, TX.
Where does Dr. John Alvarez practice?
Dr. John Alvarez practices at 520 E Euclid Ave, San Antonio, TX 78212. Office phone: 2102710606.
What is Dr. John Alvarez's NPI?
Dr. John Alvarez's National Provider Identifier (NPI) is 1255692083, issued by NPPES.
Does Dr. John Alvarez accept Medicare assignment?
Yes. Dr. John Alvarez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Alvarez commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.