Registry data as of Aug 27, 2026

Carlos Espinosa, M.D.

Nephrology Physician · Laredo, TX

Carlos Espinosa, M.D. is a nephrology physician with a practice address in Laredo, Texas, and NPI 1194798967, issued on Feb 10, 2006. Check the license (Texas K4418, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1194798967
Name
Carlos Espinosa
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
K4418 TX
Self-reported in NPPES; status is on the state search
Practice location
6801 Mcpherson Ave, Laredo, TX 78041
Phone
(956) 717-0113
Enumerated
Feb 10, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6801 Mcpherson Ave

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

  1. Amador Flores, O.D.Optometrist1851390736
  2. David Garza, D.O.Family Medicine Physician1073559324
  3. Roger Keene, MDOtolaryngology Physician1073543690
  4. Ralph Nimchan, MDSpecialist1245211754
  5. Charles Schwartz, DOSurgery Physician1437133725
  6. Jane Unzeitig, M.D.Allergy Physician1770587750

Verify Carlos Espinosa in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K4418    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.

32% more Medicare Part D claims than the average nephrology physician in 2024

1,996 Medicare Part D claims for 205 beneficiaries, against an average of 1,511 among the 8,473 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Carlos Espinosa1,996
  2. Specialty average1,511

Most prescribed

  1. Sevelamer Carbonate121 claims
  2. Calcitriol96 claims
  3. Amlodipine Besylate95 claims
  4. Tamsulosin Hcl78 claims
  5. Losartan Potassium71 claims
  6. Atorvastatin Calcium64 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.

Nephrology Physician providers in Texas

There are 896 nephrology physician records in Texas.

All 896 in Texas → Every provider in Laredo →

Other nephrology physician records in Texas

  1. Bernardino Abaya, M.D.Houston, TX1740262013
  2. Aisha Abbasi, MDConroe, TX1942837570
  3. Mohammed Abdulaziz, MDLaredo, TX1881009215
  4. Mai Abouelsaad, M.D.Houston, TX1790168086
  5. Fadi Abouzahr, MDSan Antonio, TX1982695896
  6. Koshy Abraham, MDFort Worth, TX1780658559
  7. Ala Abudayyeh, MDHouston, TX1114008513
  8. Vinay AcharyaMcKinney, TX1720465743
  9. Katafan Achkar, MDWebster, TX1063413235
  10. Sailaja Adari, MDDallas, TX1750532115

Common questions

What is Carlos Espinosa, M.D.'s NPI number?

Carlos Espinosa, M.D.'s National Provider Identifier (NPI) is 1194798967, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carlos Espinosa, M.D. located?

The NPPES record lists a practice address at 6801 Mcpherson Ave, Laredo, TX, 78041. Phone: (956) 717-0113. Providers update this record themselves, so call before visiting.

How can I verify Carlos Espinosa, M.D.'s license?

NPPES lists Texas license number K4418, 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 Carlos Espinosa, M.D. prescribe under Medicare Part D?

In 2024, Carlos Espinosa, M.D. had 1,996 Medicare Part D claims for 205 beneficiaries; the average among nephrology physician prescribers was 1,511. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.