SHANNON O'NEILL RN, FNP-C
NPI 1588960819
Nurse Practitioner in Houston, TX
About Shannon O'neill Rn, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHANNON O'NEILL RN, FNP-C (NPI 1588960819) is an individual nurse practitioner in Houston, Texas, licensed in Texas (AP119231) and active in the NPI registry since February 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Austin, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses 2
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
Shannon O'neill Rn, Fnp-c 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
3Medicare enrollment records show Shannon O'neill reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77042
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
- 3,804 clinicians in this Medicare group
Del Valle, TX 78617
- Reassigned Medicare billing, Texas enrollment
- 294 clinicians in this Medicare group
Milwaukee, WI 53212
- Reassigned Medicare billing, Texas enrollment
- 10 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77042 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 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
HOUSTON, TX 77042
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 Shannon O'neill's NPI number?
The NPI number for Shannon O'neill is 1588960819. It was assigned to this individual provider in the NPPES registry on February 3, 2011.
Where is Shannon O'neill located?
Shannon O'neill practices at 1500 Citywest Blvd Ste 300, Houston, TX 77042. The listed phone number is (713) 620-4000.
What is Shannon O'neill's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Shannon O'neill enrolled in Medicare?
Yes. Shannon O'neill 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 Shannon O'neill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shannon O'neill reassigns Medicare benefits to 3 organizations: U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), The University Of Texas At Austin (Del Valle, TX) and Vivent Health Inc (Milwaukee, WI). 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 Shannon O'neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shannon O'neill accept?
Health plans from Blue Cross and Blue Shield of Texas, Moda Health Plan, Inc., Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list Shannon O'neill 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.
When was this NPI record last updated?
The NPPES record for Shannon O'neill was last updated on June 6, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Shannon O'neill, RN, FNP-C · NPI 1588960819
Nurse Practitioner physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since February 3, 2011.
## Identity
- **NPI:** 1588960819 (Entity type: Individual)
- **Enumerated:** February 3, 2011
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** AP119231 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 CITYWEST BLVD STE 300, Houston, TX 77042
- **Phone:** (713) 620-4000 · **Fax:** (713) 458-4229
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): U. S. Anesthesia Partners Of Texas, P.A., (NPI 1548208564, Houston, TX); The University Of Texas At Austin (NPI 1245612225, Del Valle, TX); Vivent Health Inc (NPI 1770721607, Milwaukee, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** June 6, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1588960819) · Data from the CMS NPPES public registry.