NPPES file of Aug 9, 2026

Javier Leoncio Baez Presser, MD

Internal Medicine Physician · San Angelo, TX

Javier Leoncio Baez Presser, MD is an internal medicine physician with a practice address in San Angelo, Texas, and NPI 1023560646, issued on Oct 31, 2016. Check the license (Texas U5636, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023560646
Name
Javier Leoncio Baez Presser
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
U5636 TX
MD61256372 WA
Self-reported in NPPES; status is on the state search
Practice location
120 E Harris Ave, San Angelo, TX 76903
Phone
(325) 481-6410
Enumerated
Oct 31, 2016
Record last updated
Aug 11, 2023
Medicare enrollment
Enrolled (PECOS I20230804002905); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 120 E Harris Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Virginia Adams, RD, LDRegistered Dietitian1760651434
  2. Jarrett Aldinger, MDAnesthesiology Physician1689934788
  3. Saint-Martin Allihien, MD, MPHInternal Medicine Physician1467194498
  4. Nestor Alvar, CCPPerfusionist1215868047
  5. Stormie Anderson, RNEmergency Registered Nurse1386510410
  6. Cameron Arakaki, DOEmergency Medicine Physician1457098246

Verify Javier Leoncio Baez Presser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U5636
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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88% fewer Medicare Part D claims than the average internal medicine physician in 2024

393 Medicare Part D claims for 161 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 12 claims were for opioids.

  1. Javier Baez Presser393
  2. Specialty average3,176

Most prescribed

  1. Pantoprazole Sodium41 claims
  2. Cefdinir25 claims
  3. Amlodipine Besylate17 claims
  4. Furosemide15 claims
  5. Metoprolol Tartrate14 claims
  6. Eliquis12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 87.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score88.5
  2. Costout of 100 · 30%68.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Shannon ClinicSan Angelo, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Javier Leoncio Baez Presser among 9,175 internal medicine physician records in Texas

Javier Leoncio Baez Presser, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 74% of them.

  • NPI issued2016 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1996 · median 2004 among the 6,088 with a school on file
  • Record last updated2023 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

61 internal medicine physician records list a practice address in San Angelo

They are 61 of the 1,796 NPPES records with a practice address in San Angelo, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Carl Anderton, M.D.San Angelo, TX 769031912999871
  2. James Barnett, M.D.San Angelo, TX 769031780676411
  3. Meena Betha, MDSan Angelo, TX 769031699752063
  4. Paul Borgfeld, M. D.San Angelo, TX 769031104820976
  5. Anna Goritsas, M.D.San Angelo, TX 769031306896642
  6. John Harvey, MDSan Angelo, TX 769031811952427
  7. Ty Hughston, M.D.San Angelo, TX 769031265426027
  8. Charles Jones, MDSan Angelo, TX 769031023002888

Common questions

What is Javier Leoncio Baez Presser, MD's NPI number?

Javier Leoncio Baez Presser, MD's National Provider Identifier (NPI) is 1023560646, issued on Oct 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Javier Leoncio Baez Presser, MD located?

The NPPES record lists a practice address at 120 E Harris Ave, San Angelo, TX, 76903. Phone: (325) 481-6410. Providers update this record themselves, so call before visiting.

How can I verify Javier Leoncio Baez Presser, MD's license?

NPPES lists Texas license number U5636, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Javier Leoncio Baez Presser, MD prescribe under Medicare Part D?

In 2024, Javier Leoncio Baez Presser, MD had 393 Medicare Part D claims for 161 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Javier Leoncio Baez Presser, MD's MIPS final score?

The 2023 MIPS final score is 87.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.