NPPES file of Aug 9, 2026

Steven Mercado, M.D.

Internal Medicine Physician · San Antonio, TX

Steven Mercado, M.D. is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1043615503, issued on Oct 27, 2014. Check the license (Texas J7354, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043615503
Name
Steven Mercado
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
J7354 TX
Self-reported in NPPES; status is on the state search
Practice location
1434 E Sonterra Blvd, San Antonio, TX 78258
Phone
(210) 675-6620
Enumerated
Oct 27, 2014
Record last updated
May 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210520001486); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 1993
Telehealth
Offers telehealth (CMS)
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 1434 E Sonterra Blvd

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

  1. Ashley Aleman, MDHospitalist Physician1952664674
  2. Castural Thompson, PAPhysician Assistant1346833068

Verify Steven Mercado in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J7354
    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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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

7,092 Medicare Part D claims for 638 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 83 claims were for opioids.

  1. Steven Mercado7,092
  2. Specialty average3,176

Most prescribed

  1. Rosuvastatin Calcium433 claims
  2. Losartan Potassium388 claims
  3. Levothyroxine Sodium295 claims
  4. Amlodipine Besylate274 claims
  5. Atorvastatin Calcium238 claims
  6. Metformin Hcl218 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.

Industry payments in 2024: $2,822.70

84 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Steven Mercado$2,822.70
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Medcare Associates PAUtopia, TX

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

Steven Mercado among 9,175 internal medicine physician records in Texas

Steven Mercado, M.D. 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 2014, is newer than 69% of them.

  • NPI issued2014 · 69% of these records are older, 29% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1993 · median 2004 among the 6,088 with a school on file
  • Record last updated2021 · 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).

657 internal medicine physician records list a practice address in San Antonio

They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. William Atlas, M.D.San Antonio, TX 782581902881535
  2. Vernon Benson, M.D.San Antonio, TX 782581487638011
  3. David Bird, M.D.San Antonio, TX 782581346468246
  4. John Dickson, M.D.San Antonio, TX 782581154467116
  5. George Ford III, M.D.F.A.C.P.San Antonio, TX 782581841275443
  6. Timothy Hernandez, MDSan Antonio, TX 782581851495584
  7. Kevin Horton, M.D.San Antonio, TX 782581710962972
  8. Yolanda Marcos, MDSan Antonio, TX 782581104845445

Common questions

What is Steven Mercado, M.D.'s NPI number?

Steven Mercado, M.D.'s National Provider Identifier (NPI) is 1043615503, issued on Oct 27, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Steven Mercado, M.D. located?

The NPPES record lists a practice address at 1434 E Sonterra Blvd, San Antonio, TX, 78258. Phone: (210) 675-6620. Providers update this record themselves, so call before visiting.

How can I verify Steven Mercado, M.D.'s license?

NPPES lists Texas license number J7354, 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 Steven Mercado, M.D. prescribe under Medicare Part D?

In 2024, Steven Mercado, M.D. had 7,092 Medicare Part D claims for 638 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.