Carlos A. Espinosa, M.D.
Nephrology Physician · Laredo, TX
Carlos A. 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.
- Name
- Carlos A. 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
- Record last updated
- Oct 14, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (956) 717-2070
- Medicaid ID
- 029465401 TX
- Medicare enrollment
- Enrolled (PECOS I20040604000605); accepts Medicare assignment
- Medical or professional school
- University Central Del Caribe Escuela De Medicina, 1992
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 6801 Mcpherson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ralph Nimchan, MDSpecialist1245211754
- Charles Schwartz, DOSurgery Physician1437133725
- Jane Unzeitig, M.D.Allergy Physician1770587750
Verify Carlos A. Espinosa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K4418Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% 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 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Sevelamer Carbonate121 claims
- Calcitriol96 claims
- Amlodipine Besylate95 claims
- Tamsulosin Hcl78 claims
- Losartan Potassium71 claims
- 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.
Carlos A. Espinosa among 1,159 nephrology physician records in Texas
Carlos A. Espinosa, M.D. is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1992 · median 2001 among the 954 with a school on file
- Record last updated2013 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in Laredo → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Mohammed Abdulaziz, MDLaredo, TX 780411881009215
- Shafiq Cheema, M.D.Laredo, TX 780411083611974
- Adolfo Garcia, M.D.Laredo, TX 780411194723775
- Mena Habib, M.D.Laredo, TX 780411477084119
- Olayinka Holt, MDLaredo, TX 780411871876011
- Bicheng Nan, MDLaredo, TX 780411679768089
- Patrick Palacios, MDLaredo, TX 780411902435290
- Grace Snyder, M.D.Laredo, TX 780411518283688
Common questions
What is Carlos A. Espinosa, M.D.'s NPI number?
Carlos A. 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 A. 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 A. 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 A. Espinosa, M.D. prescribe under Medicare Part D?
In 2024, Carlos A. Espinosa, M.D. had 1,996 Medicare Part D claims for 205 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.