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Edit this profileAt a glance
- 18707 Hardy Oak Blvd Ste 225, San Antonio, TX 78258
About Dr. Alvarez
Based in San Antonio, TX, James D. Alvarez, MD is listed in the NPI registry under gastroenterology. James graduated from University of Texas Medical School at San Antonio in 2018. James is also listed as specializing in student in an organized health care education program and internal medicine. Medicare claims data shows James provided 111 services to 94 patients. The services billed most often include new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1992295885 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
- (210) 614-1234
- Email not available
Practice Locations
18707 HARDY OAK BLVD STE 225
San Antonio, TX 78258
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
111 services · 94 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
11 | 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 |
32 | More often than most peers in Gastroenterology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
30 | Less 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 |
21 | Less often than most peers in Gastroenterology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
17 | 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 1
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 gastroenterologists in San Antonio 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
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 2018 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 does Dr. Alvarez specialize in?
Dr. 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
Where is Dr. Alvarez located?
Dr. Alvarez is listed at 18707 Hardy Oak Blvd Ste 225, San Antonio, TX 78258. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Alvarez's phone number?
The number on file is (210) 614-1234. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Alvarez?
Dr. Alvarez's National Provider Identifier is 1992295885. 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 go to medical school?
Dr. Alvarez attended University of Texas Medical School at San Antonio, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Alvarez have?
Dr. Alvarez has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Alvarez do most often?
According to Medicare billing data, Dr. Alvarez performs procedures including 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
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.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.