NPPES file of Aug 9, 2026

Alejandro Jaime Villalonga, MD

Internal Medicine Physician · The Woodlands, TX

Alejandro Jaime Villalonga, MD is an internal medicine physician with a practice address in The Woodlands, Texas, and NPI 1538663257, issued on Mar 19, 2018. Check the license (Texas U4826, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538663257
Name
Alejandro Jaime Villalonga
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
U4826 TX
Self-reported in NPPES; status is on the state search
Practice location
17201 I 45 S, The Woodlands, TX 77385
Phone
(936) 270-2000
Enumerated
Mar 19, 2018
Record last updated
Apr 6, 2026
Medicare enrollment
Enrolled (PECOS I20260501000181); accepts Medicare assignment
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 17201 I 45 S

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

  1. Hamza Ahsan, MDHospitalist Physician1841712585
  2. Prabha ArumugamHospitalist Physician1972986735
  3. Annabella AwaziStudent in an Organized Health Care Education/Training Program1568302149
  4. Abbey Bonyata, PHARMD, BCPSPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1699586321
  5. Krishna ChandraStudent in an Organized Health Care Education/Training Program1366234999
  6. David ChavezStudent in an Organized Health Care Education/Training Program1275473720

Verify Alejandro Jaime Villalonga in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license U4826
    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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21% more Medicare Part D claims than the average internal medicine physician in 2024

3,837 Medicare Part D claims for 433 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 56 claims were for opioids.

  1. Alejandro Jaime Villalonga3,837
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium228 claims
  2. Amlodipine Besylate201 claims
  3. Rosuvastatin Calcium134 claims
  4. Losartan Potassium106 claims
  5. Levothyroxine Sodium100 claims
  6. Metoprolol Succinate92 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 84.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score79.3
  2. Costout of 100 · 30%59.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $202.29

5 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. 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. Alejandro Jaime Villalonga$202.29
  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 2 group practices

  1. Nuvance Health Medical Practice CT IncDanbury, CT
  2. Rehabilitation Associates IncFairfield, CT

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

Alejandro Jaime Villalonga among 9,175 internal medicine physician records in Texas

Alejandro Jaime Villalonga, MD 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 2018, is newer than 79% of them.

  • NPI issued2018 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2012 · median 2004 among the 6,088 with a school on file
  • Record last updated2026 · 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).

32 internal medicine physician records list a practice address in The Woodlands

They are 32 of the 2,254 NPPES records with a practice address in The Woodlands, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sura Ayoub, M.D.Shenandoah, TX 773851770847378
  2. Kesany BoupapanhThe Woodlands, TX 773851346979598
  3. Michelle Cunningham, M.D.Shenandoah, TX 773851700969219
  4. Hardeep Gill, M.DShenandoah, TX 773851245490523
  5. Rachel Hogan, DOThe Woodlands, TX 773851205196946
  6. Imran Khan, MDShenandoah, TX 773851598045791
  7. Taylor Le, DOShenandoah, TX 773851720776404
  8. Frederick Njuki, MDShenandoah, TX 773851528043676

Common questions

What is Alejandro Jaime Villalonga, MD's NPI number?

Alejandro Jaime Villalonga, MD's National Provider Identifier (NPI) is 1538663257, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alejandro Jaime Villalonga, MD located?

The NPPES record lists a practice address at 17201 I 45 S, The Woodlands, TX, 77385. Phone: (936) 270-2000. Providers update this record themselves, so call before visiting.

How can I verify Alejandro Jaime Villalonga, MD's license?

NPPES lists Texas license number U4826, 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 Alejandro Jaime Villalonga, MD prescribe under Medicare Part D?

In 2024, Alejandro Jaime Villalonga, MD had 3,837 Medicare Part D claims for 433 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Alejandro Jaime Villalonga, MD's MIPS final score?

The 2023 MIPS final score is 84.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.