NPPES file of Aug 9, 2026

Eric Lee Madarang, DO

Internal Medicine Physician · Corpus Christi, TX

Eric Lee Madarang, DO is an internal medicine physician with a practice address in Corpus Christi, Texas, and NPI 1336438878, issued on Apr 5, 2011. Check the license (Texas N8811, 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
1336438878
Name
Eric Lee Madarang
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
N8811 TX
Self-reported in NPPES; status is on the state search
Practice location
4254 S Alameda St, Corpus Christi, TX 78412
Phone
(361) 500-4351
Enumerated
Apr 5, 2011
Record last updated
Jul 25, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(888) 711-1008
Medicare enrollment
Enrolled (PECOS I20110627000619); 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 4254 S Alameda St

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

  1. Joshua Anderson, DNP, APRN, FNP-BCFamily Nurse Practitioner1548734817
  2. Stephen Barth, M.D.Adult Medicine Physician1700885225
  3. Dalailah De La Rosa, AGNPNurse Practitioner1962947242
  4. Margo Gonzalez-Hussey, NPFamily Nurse Practitioner1619314879
  5. Lilah Luz JimenezNurse Practitioner1629601018
  6. Misty Mejorado, FNP-CFamily Nurse Practitioner1790575462

Verify Eric Lee Madarang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N8811
    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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55% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,442 Medicare Part D claims for 427 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 230 claims were for opioids.

  1. Eric Madarang1,442
  2. Specialty average3,176

Most prescribed

  1. Hydrocodone-Acetaminophen180 claims
  2. Levothyroxine Sodium56 claims
  3. Atorvastatin Calcium53 claims
  4. Pantoprazole Sodium46 claims
  5. Amoxicillin-Clavulanate Potass44 claims
  6. Furosemide38 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: $24.28

1 payment: food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). 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. Eric Madarang$24.28
  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. Here OR There Healthcare PLLCCorpus Christi, TX
  2. Wellmed Networks, Inc.San Antonio, TX

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

Eric Lee Madarang among 9,175 internal medicine physician records in Texas

Eric Lee Madarang, DO 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 2011, is newer than 60% of them.

  • NPI issued2011 · 60% of these records are older, 37% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2009 · median 2004 among the 6,088 with a school on file
  • Record last updated2018 · 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).

99 internal medicine physician records list a practice address in Corpus Christi

They are 99 of the 5,600 NPPES records with a practice address in Corpus Christi, and 9,175 internal medicine physician records in Texas.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Asmik Asatrian, MDCorpus Christi, TX 784121912384793
  2. Roberto Del Cristo, M.DCorpus Christi, TX 784121124133723
  3. James Hines, MDCorpus Christi, TX 784121588925556
  4. Scott Howell, M.D.Corpus Christi, TX 784121215912753
  5. Amandeep Kaur, D.O.Corpus Christi, TX 784121629439179
  6. Timothy MurphyCorpus Christi, TX 784121851752307
  7. James Neff, M.D.Corpus Christi, TX 784121013992015
  8. Minh Nguyen, M.D.Corpus Christi, TX 784121538144530

Common questions

What is Eric Lee Madarang, DO's NPI number?

Eric Lee Madarang, DO's National Provider Identifier (NPI) is 1336438878, issued on Apr 5, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Eric Lee Madarang, DO located?

The NPPES record lists a practice address at 4254 S Alameda St, Corpus Christi, TX, 78412. Phone: (361) 500-4351. Providers update this record themselves, so call before visiting.

How can I verify Eric Lee Madarang, DO's license?

NPPES lists Texas license number N8811, 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 Eric Lee Madarang, DO prescribe under Medicare Part D?

In 2024, Eric Lee Madarang, DO had 1,442 Medicare Part D claims for 427 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.