RHIANNON MAIN D.O.
NPI 1497040984
Emergency Medicine - Pediatric Emergency Medicine in Houston, TX
About Rhiannon Main D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RHIANNON MAIN D.O. (NPI 1497040984) is an individual pediatric emergency medicine provider in Houston, Texas, licensed in Texas (R4270) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Joplin, and maintains a secondary practice location in Phoenix.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Rhiannon Main D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Rhiannon Main reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Childrens Physician Group
- 2,498 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Missouri enrollment
- 55 clinicians in this Medicare group
Carthage, MO 64836
- Reassigned Medicare billing, Missouri enrollment
- Also billed through NPI 1003201955 (Missouri)
- 133 clinicians in this Medicare group
Chandler, AZ 85286
- Reassigned Medicare billing, Arizona enrollment
- 174 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Joplin
Acute Care Hospitals · Joplin, MOMercy Hospital Carthage
Critical Access Hospitals · Carthage, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Rhiannon Main's NPI number?
The NPI number for Rhiannon Main is 1497040984. It was assigned to this individual provider in the NPPES registry on June 13, 2011.
Where is Rhiannon Main located?
Rhiannon Main practices at 6701 Fannin St, Houston, TX 77030. The listed phone number is (832) 824-1000.
What is Rhiannon Main's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.
Is Rhiannon Main enrolled in Medicare?
Yes. Rhiannon Main is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rhiannon Main's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rhiannon Main reassigns Medicare benefits to 4 organizations: Texas Children's Physician Group (Houston, TX), Green Country Emergency Physicians Group Of Tulsa PLLC (Tulsa, OK), Mercy Hospital Carthage (Carthage, MO) and Cep America- Arizona, PC (Chandler, AZ). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rhiannon Main's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rhiannon Main accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross Blue Shield of Arizona, Harbor Health, Moda Health Plan, Inc. and Sendero Health Plans, Local Nonprofit list Rhiannon Main as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Rhiannon Main affiliated with any hospitals?
According to CMS data, Rhiannon Main is affiliated with Mercy Hospital Joplin and Mercy Hospital Carthage.
When was this NPI record last updated?
The NPPES record for Rhiannon Main was last updated on February 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Rhiannon Main, D.O. · NPI 1497040984
Pediatric Emergency Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since June 13, 2011.
## Identity
- **NPI:** 1497040984 (Entity type: Individual)
- **Enumerated:** June 13, 2011
- **Primary specialty:** Emergency Medicine - Pediatric Emergency Medicine · taxonomy 207PP0204X
- **State license:** R4270 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6701 FANNIN ST, Houston, TX 77030-2608
- **Phone:** (832) 824-1000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Texas Children's Physician Group (NPI 1861675506, Houston, TX); Green Country Emergency Physicians Group Of Tulsa PLLC (NPI 1972698553, Tulsa, OK); Mercy Hospital Carthage (NPI 1992074959, Carthage, MO); Cep America- Arizona, PC (NPI 1780202804, Chandler, AZ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un College Of Osteopathic Medicine, Vallejo, class of 2011
## Record status
- **NPPES last updated:** February 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1497040984) · Data from the CMS NPPES public registry.