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Family Practice

Cassandra R. D'Andrea, MD

Works at hospitals in Ardmore, OK · Oklahoma

Summary

Dr. Cassandra R. D'Andrea, MD is a family doctor at 1020 N Commerce St, Mercy Clinic Primary Care Commerce, Ardmore, OK 73401. Phone: (580) 223-5311. Accepts Medicare assignment. NPI 1548906225. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1020 N Commerce St, Mercy Clinic Primary Care Commerce, Ardmore, OK 73401 · Directions
  • Phone: (580) 223‑5311
  • Medicare: Accepts Medicare assignment
  • Hospital: Mercy Hospital Ardmore, Inc
  • Group practice: Mercy Clinic Oklahoma Communities
  • Medical school: graduated 2022 (4 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Cassandra R. D'Andrea, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Cassandra R. D'Andrea accept Medicare assignment?
Yes. Medicare's clinician data says Cassandra R. D'Andrea accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Cassandra R. D'Andrea's NPI number?
1548906225. 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 R. D'Andrea works

Medicare's Facility Affiliation Data lists Cassandra R. D'Andrea at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Cassandra R. D'Andrea is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cassandra R. D'Andrea as a member of this group (CMS data updated October 2, 2026).

  • Mercy Clinic Oklahoma Communities649 clinicians in the group

Specialties

Find other Family Practice doctors in Oklahoma →

Other family doctors in Ardmore

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

All family doctors in Ardmore →

Other clinicians in Mercy Clinic Oklahoma Communities

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year2022 (4 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548906225
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians