Dr. John Jacob Alvarez, MD

  • San Antonio, TX
  • Gastroenterologist
NPI1255692083PAC ID9830486406
Medicare services, 2024
944
Medicare patients, 2024
516
Part D claims, 2024
1,368
MIPS score, 2024
81
Hospital affiliations
2
Practice address
2833 Babcock Rd, San Antonio, TX 78229
Professional email
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Mobile number
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Social profiles

Primary practice

San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPD

Acute Care Hospital outpatient department · San Antonio, Texas

See all 5 affiliations

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Dr. John Jacob Alvarez is a gastroenterologist in San Antonio, Texas

Dr. Alvarez practices at San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPD in San Antonio, Texas.

Dr. Alvarez's NPI, 1255692083, was assigned on June 7, 2012. Dr. Alvarez graduated from Joe R. & Teresa Lozano Long School of Medicine in 2012. Dr. Alvarez holds Texas license PIT.

NPI and contact details
Medicare PAC ID
9830486406
NPI enumeration date
June 7, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Jacob Alvarez practices at San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPD in San Antonio, Texas

Dr. Alvarez's primary practice is San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPD, at 2833 Babcock Rd, San Antonio, TX 78229.

  • San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPD
    2833 Babcock Rd, San Antonio, TX 78229

Source: Dmand AI Affiliation Data

Dr. John Jacob Alvarez is affiliated with 4 sites of care and 1 medical group

Dr. Alvarez's primary practice is San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPD in San Antonio, Texas. Dr. Alvarez is also affiliated with Methodist Hospital. The medical group on file is Texas Digestive Disease Consultants. Dmand AI also links Dr. Alvarez to 1 more hospital and 1 ambulatory surgery center, each named with a free account.

San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPDAcute Care Hospital outpatient department · San Antonio, TexasPrimary
Methodist HospitalAcute care hospital, San Antonio, TXTexas Digestive Disease ConsultantsPrimary care group, Southlake, TX1 hospitalName with a free account1 ambulatory surgery centerName with a free account
See all 5 affiliations for Dr. Alvarez

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. John Jacob Alvarez's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alvarez practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPDAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John Jacob Alvarez is one of 1,341 gastroenterologists in Texas

Gastroenterology is Dr. Alvarez's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Alvarez is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Alvarez is licensed in Texas.

Specialties and state licenses

  • Gastroenterology, TexasPrimaryLicense PIT · 2018 to 2027 · taxonomy 207RG0100X

Clinical focus

Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastroenteritis, gastrointestinal bleeding and hemorrhoids among the conditions Dr. Alvarez treats.

Gastroenterologists near Dr. Alvarez

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. John Jacob Alvarez billed Medicare for 944 services in 2024

CMS data shows 944 Medicare services from Dr. Alvarez across 21 procedure codes in 2024, for 516 Medicare patients. Medicare paid $89,406 for them.

Medicare services, 2024944
Medicare patients516
Paid by Medicare$89,406
Procedure codes21

Dr. Alvarez's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5722024: 5376%
Surgery
2023: 4512024: 36419%
Imaging
2023: 542024: 2652%
Other services
2023: 222024: 1723%

Where Dr. Alvarez's Medicare services took place, 2024

  • In an office21823%
  • In a facility72677%

Dr. Alvarez compared with the Texas median for gastroenterologists, 2024

  • Dr. Alvarez
  • Texas median
Medicare services
944vs 50587% above
Medicare patients
516vs 28482% above
Part D claims
1,250vs 4932.5 times

Medians across 1,281 gastroenterologists in Texas with Dmand AI profiles that report each measure.

Dr. Alvarez's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Alvarez

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Jacob Alvarez treated 516 Medicare patients in 2024, average age 74

CMS counts 516 Medicare patients who saw Dr. Alvarez in 2024. The largest group is 65 to 74, with 205 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Alvarez's median patient age at 64, with 55% women.

Medicare patients, 2024516
Average age74
Average risk score1.93
Also on Medicaid14%

Dr. Alvarez's Medicare patients by age, 2024

Dr. Alvarez's Medicare patients by sex, 2024

  • Women28054%
  • Men23646%

Chronic conditions among Dr. Alvarez's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis51%
  4. Diabetes47%
  5. Ischemic heart disease43%
  6. Chronic kidney disease41%
  7. Mood disorders32%
  8. Anxiety30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Alvarez's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John Jacob Alvarez wrote 1,368 Medicare Part D claims in 2024

In 2024, Dr. Alvarez wrote 1,368 Medicare Part D claims for 399 patients. 82% of them were for generic drugs. CMS names the drug for 1,250 of them, across 28 drugs with 11 or more claims each, at $247,555 in total drug cost. In 2023, CMS named 1,235 claims across 27 drugs.

Part D claims, 20241,368
Drugs named by CMS28
Total drug cost$247,555
Part D patients399

Dr. Alvarez's Part D claims by kind of drug, 2024

  • Generic1,116 claims82%
  • Brand-name252 claims18%

Dr. Alvarez's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Alvarez's Part D claims, 2024

  • Antibiotics2%33 of 1,368 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,2352024: 1,2501%

Drugs named by CMS: 28 in 2024, 27 in 2023.

See all prescribing by Dr. Alvarez

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. John Jacob Alvarez scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Alvarez for performance year 2024, reported as part of a group. Dr. Alvarez accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Alvarez as offering telehealth. CMS counts 311 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Alvarez, more than 96% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Alvarez's MIPS scores, performance year 2024

  • 81of 100Final score
  • 66.5of 100Quality
  • 98of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 72of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Alvarez ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
96th percentile311 procedures
Colonoscopy
76th percentile87 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. John Jacob Alvarez received $12,498 in industry payments from 2018 to 2025

CMS Open Payments shows 527 general payments to Dr. Alvarez from 40 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 98% of the total. Boston Scientific Corporation paid the most, $3,712.

General payments to Dr. Alvarez by program year, 2018 to 2025

General payments to Dr. Alvarez by kind, 2018 to 2025

$12.5Kin total
  • Food and beverage$12,24798%
  • Education$2512%

Companies that paid Dr. Alvarez the most, 2018 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Alvarez

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Jacob Alvarez graduated from Joe R. & Teresa Lozano Long School of Medicine

Dr. Alvarez graduated from Joe R. & Teresa Lozano Long School of Medicine in 2012.

  1. Medical schoolJoe R. & Teresa Lozano Long School of Medicine
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. John Jacob Alvarez accepts plans from 23 insurance carriers

Dr. Alvarez is in network with 23 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Alvarez accepts, by number of carriers

  1. HMO13
  2. PPO13
  3. Medicare10
  4. POS6
  5. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. John Jacob Alvarez's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Jacob Alvarez

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. John Jacob Alvarez's NPI number?

Dr. John Jacob Alvarez's NPI number is 1255692083. It was assigned on June 7, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. John Jacob Alvarez?

Dr. John Jacob Alvarez is a gastroenterologist in San Antonio, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. John Jacob Alvarez practice?

Dr. Alvarez practices at 2833 Babcock Rd, San Antonio, TX 78229. Dr. Alvarez's primary practice is San Antonio Gastroenterology Endoscopy Center - Medical Center - HOPD in San Antonio, Texas. Dmand AI also links Dr. Alvarez to 1 hospital and 1 ambulatory surgery center.

What is Dr. John Jacob Alvarez's medical license number?

Dr. Alvarez holds Texas license PIT.

Which hospitals is Dr. John Jacob Alvarez affiliated with?

Dr. Alvarez is affiliated with Methodist Hospital. Dmand AI links Dr. Alvarez to 1 more hospital.

What medical group is Dr. John Jacob Alvarez part of?

Dr. Alvarez is linked to Texas Digestive Disease Consultants.

Does Dr. John Jacob Alvarez accept Medicare?

Yes. CMS data shows Dr. Alvarez billed Medicare for 944 services in 2024, and Dr. Alvarez accepts Medicare assignment.

Does Dr. John Jacob Alvarez offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Alvarez as offering telehealth services.

What is Dr. John Jacob Alvarez's MIPS score?

Dr. Alvarez's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

How many Medicare patients does Dr. John Jacob Alvarez see?

CMS counts 516 Medicare patients who saw Dr. Alvarez in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

Is Dr. John Jacob Alvarez board certified?

Yes. Dr. Alvarez is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. John Jacob Alvarez bill to Medicare?

In 2024, Dr. Alvarez's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, established patient (99214).

Where did Dr. John Jacob Alvarez go to medical school?

Dr. Alvarez graduated from Joe R. & Teresa Lozano Long School of Medicine in 2012.

What drugs does Dr. John Jacob Alvarez prescribe most?

In 2024 Medicare Part D data, Dr. Alvarez's most prescribed drugs by claims were Pantoprazole Sodium, Omeprazole and Famotidine.

Has Dr. John Jacob Alvarez received payments from drug or device companies?

CMS Open Payments shows $12,498 in general payments to Dr. Alvarez from 40 companies from 2018 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. John Jacob Alvarez been practicing?

Dr. Alvarez graduated from medical school in 2012, 14 years ago.

What insurance does Dr. John Jacob Alvarez accept?

Dr. Alvarez is in network with 23 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.

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