NPPES file of Aug 9, 2026

Rhiannon Main, D.O.

Pediatric Emergency Medicine (Emergency Medicine) Physician · Houston, TX

Rhiannon Main, D.O. is a pediatric emergency medicine (emergency medicine) physician with a practice address in Houston, Texas, and NPI 1497040984, issued on Jun 13, 2011. Check the license (Texas R4270, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497040984
Name
Rhiannon Main
Credential
D.O.
Primary taxonomy
Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X
License numbers
R4270 TX
007336 AZ
Self-reported in NPPES; status is on the state search
Practice location
6701 Fannin St, Houston, TX 77030
Phone
(832) 824-1000
Enumerated
Jun 13, 2011
Record last updated
Feb 7, 2023
Medicare enrollment
Enrolled (PECOS I20250531000077); accepts Medicare assignment
Medical or professional school
Touro Un College Of Osteopathic Medicine, Vallejo, 2011
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 pediatric emergency medicine (emergency medicine) physician records → All 65 in Texas → Look up another NPI →

Also registered at 6701 Fannin St

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

  1. Mary Abelt, CPNPNurse Practitioner1780764043
  2. Farida Abid, MDPediatrics Physician1629007588
  3. Hani Abou Hatab, M.DPediatric Infectious Diseases Physician1922450782
  4. Amy Acosta, PHDPsychologist1265720700
  5. Ansley Adams, NNPNurse Practitioner1144015157
  6. Diana Adeleke, LCSWClinical Social Worker1720621683

Verify Rhiannon Main in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R4270    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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Bills Medicare through one group practice

  1. Green Country Emergency Physicians Group OF Tulsa, PLLCJoplin, MO

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

Rhiannon Main among 65 pediatric emergency medicine (emergency medicine) physician records in Texas

Rhiannon Main, D.O. is one of 65 pediatric emergency medicine (emergency medicine) physician records with a practice address in Texas. 37% 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 72% of them.

  • NPI issued2011 · 72% of these records are older, 25% newer
  • In a Medicare fileYes · 37% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated2011 · median 2005 among the 14 with a school on file
  • Record last updated2023 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PP0204X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Emergency Medicine (Emergency Medicine) Physician providers in Texas

There are 65 pediatric emergency medicine (emergency medicine) physician records in Texas.

All 65 in Texas → Every provider in Houston → Pediatric Emergency Medicine (Emergency Medicine) Physician nationwide →

The 8 pediatric emergency medicine (emergency medicine) physician records with the nearest ZIP codes

  1. Yuemi An-Grogan, M.D.Houston, TX 770301356592547
  2. Kayleigh Fischer, MDHouston, TX 770301275876716
  3. Nicole Hardy, M.D.Houston, TX 770301912361122
  4. Christine Koerner, M.D.Houston, TX 770301760415194
  5. James Mitchell, M.D.Houston, TX 770301396768123
  6. Elyse PortilloHouston, TX 770301144563735
  7. Elizabeth Thorpe, M.D.Houston, TX 770301124223730
  8. Osayi Odia, MDKingwood, TX 773391184020786

Common questions

What is Rhiannon Main, D.O.'s NPI number?

Rhiannon Main, D.O.'s National Provider Identifier (NPI) is 1497040984, issued on Jun 13, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Rhiannon Main, D.O. located?

The NPPES record lists a practice address at 6701 Fannin St, Houston, TX, 77030. Phone: (832) 824-1000. Providers update this record themselves, so call before visiting.

How can I verify Rhiannon Main, D.O.'s license?

NPPES lists Texas license number R4270, 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. 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.