NPPES file of Aug 9, 2026

Sergio R. Alvarez, M.D.

Sleep Medicine (Internal Medicine) Physician · El Paso, TX

Sergio R. Alvarez, M.D. is a sleep medicine (internal medicine) physician with a practice address in El Paso, Texas, and NPI 1700843034, issued on Apr 28, 2006. Check the license (Texas E7798, 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
1700843034
Name
Sergio R. Alvarez
Credential
M.D.
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
E7798 TX
Self-reported in NPPES; status is on the state search
Practice location
2311 N Mesa St, El Paso, TX 79902
Phone
(915) 533-8499
Enumerated
Apr 28, 2006
Record last updated
Sep 12, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(915) 544-4929
Medicaid ID
136708802 TX
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 2311 N Mesa St

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

  1. Mazen Alhamody, SA-CSurgical Physician Assistant1265610695
  2. Mohammed Alnajjar, MDInternal Medicine Physician1972524338
  3. Sharon Ferrell, LCSW, LMFTClinical Social Worker1225238546
  4. Martin Guerrero, M.D.Psychiatry Physician1952591935
  5. Edward Mapula, D.D.S.Dentist1255431433
  6. Adriana Sanchez, ACNPAcute Care Nurse Practitioner1205127636

Verify Sergio R. Alvarez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E7798
    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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96% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024

23 Medicare Part D claims, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Sergio Alvarez23
  2. Specialty average585

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.

Sergio R. Alvarez among 56 sleep medicine (internal medicine) physician records in Texas

Sergio R. Alvarez, M.D. is one of 56 sleep medicine (internal medicine) physician records with a practice address in Texas. 80% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 45% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2018 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in Texas

There are 56 sleep medicine (internal medicine) physician records in Texas.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Courtland Kouassiaman, MDFort Bliss, TX 799061720508989
  2. David Dorsey, MDEl Paso, TX 799181780658435
  3. Genevieve Belgrave, M.D.El Paso, TX 799251649200668
  4. Barbara McDougal, M.D.Lubbock, TX 794161427262484
  5. Clarence Wheeler, M.D.Lubbock, TX 794161699776732
  6. Vani Vallabhaneni, M.DAustin, TX 787501447273644
  7. Frederick Dixon, MDSan Marcos, TX 786661023079613
  8. James Curlee, D.O.Georgetown, TX 786281932100765

Common questions

What is Sergio R. Alvarez, M.D.'s NPI number?

Sergio R. Alvarez, M.D.'s National Provider Identifier (NPI) is 1700843034, issued on Apr 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sergio R. Alvarez, M.D. located?

The NPPES record lists a practice address at 2311 N Mesa St, El Paso, TX, 79902. Phone: (915) 533-8499. Providers update this record themselves, so call before visiting.

How can I verify Sergio R. Alvarez, M.D.'s license?

NPPES lists Texas license number E7798, 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 Sergio R. Alvarez, M.D. prescribe under Medicare Part D?

In 2024, Sergio R. Alvarez, M.D. had 23 Medicare Part D claims; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.