NPPES file of Aug 9, 2026

Juan J. Perez Ruiz, MD

Internal Medicine Physician · Lafayette, LA

Juan J. Perez Ruiz, MD is an internal medicine physician with a practice address in Lafayette, Louisiana, and NPI 1821106261, issued on Aug 27, 2006. Check the license (Louisiana 022070, as entered in NPPES) on the Louisiana State Board of Medical Examiners; 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
1821106261
Name
Juan J. Perez Ruiz
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
022070 LA
Self-reported in NPPES; status is on the state search
Practice location
155 Hospital Dr, Lafayette, LA 70503
Phone
(337) 234-8018
Enumerated
Aug 27, 2006
Record last updated
Nov 19, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(337) 235-0360
Medicaid ID
1492558 LA
Medicare enrollment
Enrolled (PECOS I20080916000375); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 155 Hospital Dr

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

  1. Michael Alexander, MDInternal Medicine Physician1649352261
  2. Glenn Ally, PH.D, M.P.Clinical Neuropsychologist1437272945
  3. Alan Appley, M.D.Neurological Surgery Physician1306891320
  4. Walter Brown, MDPulmonary Disease Physician1053305482
  5. Alfred Buxton, PH.D., M.P.Prescribing (Medical) Psychologist1457474983
  6. Jason Cormier, MDNeurological Surgery Physician1982812723

Verify Juan J. Perez Ruiz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license 022070
    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 Louisiana 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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3.1 times the Medicare Part D claims of the average internal medicine physician in 2024

9,970 Medicare Part D claims for 546 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 222 claims were for opioids.

  1. Juan Perez Ruiz9,970
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium472 claims
  2. Alprazolam294 claims
  3. Trazodone Hcl285 claims
  4. Metformin Hcl278 claims
  5. Amlodipine Besylate255 claims
  6. Pantoprazole Sodium249 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: $1,675.70

73 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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. Juan Perez Ruiz$1,675.70
  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 one group practice

  1. Lafayette Health Ventures IncLafayette, LA

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

Juan J. Perez Ruiz among 1,749 internal medicine physician records in Louisiana

Juan J. Perez Ruiz, MD is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 58% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1992 · median 2008 among the 1,216 with a school on file
  • Record last updated2009 · 56% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

107 internal medicine physician records list a practice address in Lafayette

They are 107 of the 5,181 NPPES records with a practice address in Lafayette, and 1,749 internal medicine physician records in Louisiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michael Alexander, MDLafayette, LA 705031649352261
  2. Brian Barnes, M.D.Lafayette, LA 705031700039450
  3. Brad Broussard, MDLafayette, LA 705031275551509
  4. Julio Castro-Quero, MDLafayette, LA 705031972695724
  5. Bradley Chastant, M.D.Lafayette, LA 705031003074907
  6. Kelly Cobb, M.D.Lafayette, LA 705031598732349
  7. Eric Fontenot, MDLafayette, LA 705031437228657
  8. Shankaraiah Kothapalli, M.D.,Lafayette, LA 705031477554996

Common questions

What is Juan J. Perez Ruiz, MD's NPI number?

Juan J. Perez Ruiz, MD's National Provider Identifier (NPI) is 1821106261, issued on Aug 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Juan J. Perez Ruiz, MD located?

The NPPES record lists a practice address at 155 Hospital Dr, Lafayette, LA, 70503. Phone: (337) 234-8018. Providers update this record themselves, so call before visiting.

How can I verify Juan J. Perez Ruiz, MD's license?

NPPES lists Louisiana license number 022070, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Juan J. Perez Ruiz, MD prescribe under Medicare Part D?

In 2024, Juan J. Perez Ruiz, MD had 9,970 Medicare Part D claims for 546 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.