NPPES file of Aug 9, 2026

Thomas Michael Mercado, M.D.

Emergency Medicine Physician · Amarillo, TX

Thomas Michael Mercado, M.D. is an emergency medicine physician with a practice address in Amarillo, Texas, and NPI 1750519286, issued on Jun 23, 2009. Check the license (Texas N8221, 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
1750519286
Name
Thomas Michael Mercado
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
N8221 TX
Self-reported in NPPES; status is on the state search
Practice location
4510 Bell St, Amarillo, TX 79109
Phone
(806) 212-4835
Enumerated
Jun 23, 2009
Record last updated
Dec 28, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(806) 212-0900
Medicare enrollment
Enrolled (PECOS I20120117000666); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 2009
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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8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →

Also registered at 4510 Bell St

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

  1. Timothy Bixenman, APRN, FNP-CFamily Nurse Practitioner1881999340
  2. Meenakshi Dieguez, M.D.Family Medicine Physician1952573909
  3. Kevin Fleming, FNP-CFamily Nurse Practitioner1023531191
  4. Michael Flores, MDFamily Medicine Physician1871591909
  5. Sydnee Jenschke, FNP-CFamily Nurse Practitioner1063284560
  6. Daniel Kern, FNPFamily Nurse Practitioner1578921847

Verify Thomas Michael Mercado in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N8221    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

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24% fewer Medicare Part D claims than the average emergency medicine physician in 2024

172 Medicare Part D claims for 105 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Thomas Mercado172
  2. Specialty average226

Most prescribed

  1. Prednisone16 claims
  2. Ipratropium Bromide14 claims
  3. Ondansetron Odt14 claims
  4. Tramadol Hcl12 claims
  5. Cephalexin11 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: $23.19

1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Mercado$23.19
  2. Specialty average$953.79

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

Bills Medicare through 2 group practices

  1. Altus Exceptional Physician Group PLLCHouston, TX
  2. Hospitalist Medicine Physicians OF Texas - Houston, PLLCPlainview, TX

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

Thomas Michael Mercado among 4,885 emergency medicine physician records in Texas

Thomas Michael Mercado, M.D. is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 45% of them.

  • NPI issued2009 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated2009 · median 2013 among the 2,779 with a school on file
  • Record last updated2015 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Texas

There are 4,885 emergency medicine physician records in Texas.

All 4,885 in Texas → Every provider in Amarillo → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Aaron Bassett, D.O.Amarillo, TX 791091841451259
  2. Zuri Goss, M.D.Amarillo, TX 791091992965339
  3. Dorian Matzen, D.O.Amarillo, TX 791091811337439
  4. Darrell Morgan, M.D.Amarillo, TX 791091235210121
  5. Kelly Turner, MDAmarillo, TX 791101700808243
  6. Timothy Revell, MDAmarillo, TX 791071477735322
  7. Mike Berry, M.D.Amarillo, TX 791061033485453
  8. Pedro Calles, DOAmarillo, TX 791061174101471

Common questions

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

Thomas Michael Mercado, M.D.'s National Provider Identifier (NPI) is 1750519286, issued on Jun 23, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Michael Mercado, M.D. located?

The NPPES record lists a practice address at 4510 Bell St, Amarillo, TX, 79109. Phone: (806) 212-4835. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number N8221, 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 Thomas Michael Mercado, M.D. prescribe under Medicare Part D?

In 2024, Thomas Michael Mercado, M.D. had 172 Medicare Part D claims for 105 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.