NPPES file of Aug 9, 2026

Michele A. Riordon, M.D., F.R.C.S.C.

Surgery Physician · Houston, TX

Michele A. Riordon, M.D., F.R.C.S.C. is a surgery physician with a practice address in Houston, Texas, and NPI 1467731588, issued on Aug 7, 2011. Check the license (Texas P0663, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1467731588
Name
Michele A. Riordon
Credential
M.D., F.R.C.S.C.
Primary taxonomy
Surgery Physician 208600000X
License number
P0663 TX
Self-reported in NPPES; status is on the state search
Practice location
6565 Fannin St, Houston, TX 77030
Phone
(713) 858-5877
Enumerated
Aug 7, 2011
Record last updated
Aug 7, 2011 (not updated in 15 years: call before relying on the address or phone)
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 6565 Fannin St

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

  1. Karen Abboud, PHARMDOncology Pharmacist1316794597
  2. Akraam Abdel-KeremPharmacist1720831092
  3. Aliya Abdulla, PHARMD, BCCCPCritical Care Pharmacist1750207312
  4. Safiyah AbdullahAcute Care Nurse Practitioner1497200851
  5. Selma AbdurrahmanStudent in an Organized Health Care Education/Training Program1659127090
  6. Catherine Achim, M.D.Ophthalmology Physician1114215738

Verify Michele A. Riordon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license P0663
    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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Michele A. Riordon among 2,192 surgery physician records in Texas

Michele A. Riordon, M.D., F.R.C.S.C. is one of 2,192 surgery physician records with a practice address in Texas. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 32% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2011 · 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 208600000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Texas

There are 2,192 surgery physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 surgery physician records with the nearest ZIP codes

  1. Richard Andrassy, M.D.Houston, TX 770301184665820
  2. Barbara Bass, M.D., F.A.C.SHouston, TX 770301881632636
  3. Richard Caplan, M.D.Houston, TX 770301831170166
  4. Richard Geis, M.D.Houston, TX 770301891756532
  5. Steven HammermanHouston, TX 770301649268236
  6. Samer Mattar, MDHouston, TX 770301861466708
  7. Hemangshu Podder, M.D.Houston, TX 770301407885163
  8. Patrick Reardon, MDHouston, TX 770301649270265

Common questions

What is Michele A. Riordon, M.D., F.R.C.S.C.'s NPI number?

Michele A. Riordon, M.D., F.R.C.S.C.'s National Provider Identifier (NPI) is 1467731588, issued on Aug 7, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Michele A. Riordon, M.D., F.R.C.S.C. located?

The NPPES record lists a practice address at 6565 Fannin St, Houston, TX, 77030. Phone: (713) 858-5877. Providers update this record themselves, so call before visiting.

How can I verify Michele A. Riordon, M.D., F.R.C.S.C.'s license?

NPPES lists Texas license number P0663, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.