NPPES file of Aug 9, 2026

Shannon Clinic in Big Spring, TX

This location of Shannon Clinic bills under NPI 1003762899, an organization record issued on Mar 5, 2026 with the primary taxonomy Rural Health Clinic/Center. It is one of 9 NPIs registered under this name; each clinician who sees you there has their own NPI and license.

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

Organization recordNPPES, Aug 2026
1003762899
Legal name
Shannon Clinic
Entity
Type 2 · organization, a subpart
Parent organization
Shannon Clinic
Primary taxonomy
Rural Health Clinic/Center 261QR1300X
Practice location
2503 S GREGG ST STE C, Big Spring, TX 79720
Phone
432-606-5178
Mailing address
San Angelo, TX
Enumerated
Mar 5, 2026
Record updated
Mar 6, 2026
Authorized official
Cao (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

9 clinicians CMS lists with Shannon Clinic in Big Spring

  1. Greg Anderson, FNPFamily Nurse Practitioner1508369034
  2. Scott Barclay, DOFamily Medicine Physician1134199623
  3. Suhail Daye, MDSurgery Physician1639251481
  4. Cornelia De Riese, MD, PHD, MBAUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1841280716
  5. Rudy Haddad, MDUrology Physician1689662512
  6. Patrick Mccarthy, MDDiagnostic Radiology Physician1821098906
  7. Jonathan Morales, FNPFamily Nurse Practitioner1396350070
  8. Cayla Ritter, FNP-CFamily Nurse Practitioner1962987339
  9. Ryan Williams, PACPhysician Assistant1073612164

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 9 Shannon Clinic NPIs

Every location registered under this name, in 5 cities.

See every location

Checking an organization

  1. Confirm the business with the Texas secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

What does subpart mean?

The organization registered this NPI as a subpart: a part of the organization, such as a location, that bills under its own NPI.

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.