NPPES file of Aug 9, 2026

Melissa Anne Rigas, CRNA

Certified Registered Nurse Anesthetist · Houston, TX

Melissa Anne Rigas, CRNA is a certified registered nurse anesthetist with a practice address in Houston, Texas, and NPI 1851682546, issued on Apr 28, 2011. Check the license (Texas AP120407, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1851682546
Name
Melissa Anne Rigas
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
AP120407 TX
727756 TX
Self-reported in NPPES; status is on the state search
Practice location
1635 North Loop W, Houston, TX 77008
Phone
(713) 867-2000
Enumerated
Apr 28, 2011
Record last updated
Dec 3, 2015 (not updated in 11 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20110907001157); 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 certified registered nurse anesthetist records → All 6,097 in Texas → Look up another NPI →

Also registered at 1635 North Loop W

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

  1. Mustafa Abdulrahman, MBCHBHospitalist Physician1730615873
  2. Ronke Alo, M.DHospitalist Physician1982136800
  3. Miriam Anemelu, M.DHospitalist Physician1669712980
  4. Charles Ardoin, M.D.Family Medicine Physician1972635274
  5. Patience Asu, PHARMDPharmacist1346177938
  6. Mulikat Babatunde-LayeniFamily Nurse Practitioner1780221374

Verify Melissa Anne Rigas in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP120407    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
Find 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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Bills Medicare through one group practice

  1. UT PhysiciansHouston, TX

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

Melissa Anne Rigas among 6,097 certified registered nurse anesthetist records in Texas

Melissa Anne Rigas, CRNA is one of 6,097 certified registered nurse anesthetist records with a practice address in Texas. 81% 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 44% of them.

  • NPI issued2011 · 44% of these records are older, 53% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated2011 · median 2014 among the 4,734 with a school on file
  • Record last updated2015 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,127 certified registered nurse anesthetist records list a practice address in Houston

They are 1,127 of the 61,221 NPPES records with a practice address in Houston, and 6,097 certified registered nurse anesthetist records in Texas.

All 6,097 in Texas → Every provider in Houston → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Cheryl Armand, CRNAHouston, TX 770081508844523
  2. Rebecca Blaylock, CRNAHouston, TX 770081700871316
  3. Rodney Breaux, CRNAHouston, TX 770081356387492
  4. Lisa Carr, CRNAHouston, TX 770081205892643
  5. Marlene De La Guardia, CRNAHouston, TX 770081689658726
  6. Althea Fox, CRNAHouston, TX 770081639133101
  7. Miriam Glover, CRNAHouston, TX 770081659366078
  8. Lara Haydock, CRNAHouston, TX 770081720046758

Common questions

What is Melissa Anne Rigas, CRNA's NPI number?

Melissa Anne Rigas, CRNA's National Provider Identifier (NPI) is 1851682546, issued on Apr 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Anne Rigas, CRNA located?

The NPPES record lists a practice address at 1635 North Loop W, Houston, TX, 77008. Phone: (713) 867-2000. Providers update this record themselves, so call before visiting.

How can I verify Melissa Anne Rigas, CRNA's license?

NPPES lists Texas license number AP120407, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity 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.