NPPES file of Aug 9, 2026

Norma M. Rivera-Opio, M.D.

Internal Medicine Physician · Houston, TX

Norma M. Rivera-Opio, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1093767410, issued on May 16, 2006. Check the license (Texas L2602, 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
1093767410
Name
Norma M. Rivera-Opio
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
L2602 TX
Self-reported in NPPES; status is on the state search
Practice location
509 W Tidwell RD Ste 200, Houston, TX 77091
Phone
(713) 691-7490
Enumerated
May 16, 2006
Record last updated
Feb 12, 2026
Fax
(713) 691-0079
Medicaid ID
146296202 TX
Medicare enrollment
Enrolled (PECOS I20061023000550); 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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8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →

Also registered at 509 W Tidwell RD Ste 200

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

  1. Aessa Bates, AGACNP-BCAcute Care Nurse Practitioner1912591942
  2. Shannon Brow, DNP , APRN, FNP-CNurse Practitioner1558540930
  3. Ricardo Cuadra, MDInternal Medicine Physician1144251372
  4. Carlos Palacios, MDInternal Medicine Physician1417963257

Verify Norma M. Rivera-Opio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L2602    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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3.6 times the Medicare Part D claims of the average internal medicine physician in 2024

11,548 Medicare Part D claims for 631 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 379 claims were for opioids.

  1. Norma Rivera-Opio11,548
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium578 claims
  2. Metformin Hcl573 claims
  3. Rosuvastatin Calcium547 claims
  4. Amlodipine Besylate403 claims
  5. Lisinopril395 claims
  6. Levothyroxine Sodium274 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: $322.88

17 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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. Norma Rivera-Opio$322.88
  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. Airline Complete Healthcare OF Texas, Ltd,llpHouston, TX

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

Norma M. Rivera-Opio among 9,175 internal medicine physician records in Texas

Norma M. Rivera-Opio, M.D. 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 59% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1998 · 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).

1,488 internal medicine physician records list a practice address in Houston

They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.

All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ricardo Cuadra, MDHouston, TX 770911144251372
  2. Henry Grainger, DOHouston, TX 770911306892005
  3. Alejandro Iturralde, MDHouston, TX 770911023506938
  4. Chad Niemeyer, M.D.Houston, TX 770911023303328
  5. Carlos Palacios, MDHouston, TX 770911417963257
  6. Prabhugouda Patil, MDHouston, TX 770911619157492
  7. Gopikishan Rangaraj, M.D.Houston, TX 770911194751214
  8. Bhupatrai Vachhani, MDHouston, TX 770911558439505

Common questions

What is Norma M. Rivera-Opio, M.D.'s NPI number?

Norma M. Rivera-Opio, M.D.'s National Provider Identifier (NPI) is 1093767410, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Norma M. Rivera-Opio, M.D. located?

The NPPES record lists a practice address at 509 W Tidwell RD Ste 200, Houston, TX, 77091. Phone: (713) 691-7490. Providers update this record themselves, so call before visiting.

How can I verify Norma M. Rivera-Opio, M.D.'s license?

NPPES lists Texas license number L2602, 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 Norma M. Rivera-Opio, M.D. prescribe under Medicare Part D?

In 2024, Norma M. Rivera-Opio, M.D. had 11,548 Medicare Part D claims for 631 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.