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Emergency Medicine

Cassandra L. Clay, DO

Works at hospitals in Tahlequah, OK · Oklahoma

Summary

Cassandra L. Clay, DO (Emergency Medicine) is listed by Medicare at 2 hospitals in Tahlequah, OK. NPI 1841711504. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Cassandra L. Clay, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
9Years since medical school (graduated 2017)
Oklahoma State University College Of Osteopathic MedicineMedical school
FemaleGender (as listed)
Cherokee NationGroup practice

Quick answers

Which hospitals does Cassandra L. Clay work at?
Medicare's official clinician data lists Cassandra L. Clay at 2 hospitals: Cherokee Nation W W Hastings Indian Hospital and Northeastern Health System. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Cassandra L. Clay see patients?
Medicare's clinician data lists 1 practice location in Tahlequah, OK. Call before your visit to confirm the address.
What is Cassandra L. Clay's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Cassandra L. Clay accept Medicare assignment?
Yes. Medicare's clinician data says Cassandra L. Clay accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Cassandra L. Clay?
(918) 458-3100, as listed in official Medicare / NPI Registry data.
What is Cassandra L. Clay's NPI number?
1841711504. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Cassandra L. Clay works

Medicare's Facility Affiliation Data lists Cassandra L. Clay at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Cassandra L. Clay is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Cassandra L. Clay as a member of this group (CMS data updated 2026-10-02).

  • Cherokee Nation449 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Oklahoma →

Other emergency medicine doctors in Tahlequah

Clinicians with the same Medicare primary specialty in Tahlequah, OK — not a recommendation.

All emergency medicine doctors in Tahlequah →

Clinician information

CredentialDO
Medical schoolOklahoma State University College Of Osteopathic Medicine
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841711504
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians