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Internal Medicine

Mayra Y. Frias, MD

Works at hospitals in Cincinnati, OH · Ohio

Summary

Dr. Mayra Y. Frias, MD is an internal medicine doctor at 7567 Central Parke Blvd, A, Mason, OH 45040. Phone: (513) 246-7000. Accepts Medicare assignment. In 2024, Mayra Y. Frias had 186 Original Medicare patients and 808 services. NPI 1093760589. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 7567 Central Parke Blvd, A, Mason, OH 45040 · Directions (1 more location)
  • Phone: (513) 246‑7000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bethesda North, Christ Hospital, Good Samaritan Hospital
  • Group practice: Oxford Physical Therapy and Rehabilitation (+1 more)
  • Medical school: graduated 1988 (38 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mayra Y. Frias, 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 Mayra Y. Frias accept Medicare assignment?
Yes. Medicare's clinician data says Mayra Y. Frias 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.
How many Medicare patients does Mayra Y. Frias see?
In 2024, CMS data shows 186 Original Medicare patients and 808 services for Mayra Y. Frias. This counts Original Medicare only and measures volume, not quality.
What is Mayra Y. Frias's NPI number?
1093760589. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Mayra Y. Frias, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients186
Services billed to Medicare808
Different services or procedures43
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)282 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)115 services
  3. Insertion of needle into vein for collection of blood sample (36415)79 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)73 services
  5. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)24 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol70%
  • High blood pressure61%
  • Arthritis52%
  • Diabetes27%
  • Anxiety22%
  • Osteoporosis21%

Hospitals where Mayra Y. Frias works

Medicare's Facility Affiliation Data lists Mayra Y. Frias 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.

  • Bethesda NorthCincinnati, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360179
  • Christ HospitalCincinnati, OH · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 360163
  • Good Samaritan HospitalCincinnati, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360134

Practice locations

Addresses where Mayra Y. Frias is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mayra Y. Frias as a member of these groups (CMS data updated October 2, 2026).

  • Oxford Physical Therapy and Rehabilitation440 clinicians in the group
  • TriHealth G LLC299 clinicians in the group

Specialties

Find other Internal Medicine doctors in Ohio →

Other internal medicine doctors in Mason

Clinicians with the same Medicare primary specialty in Mason, OH — not a recommendation.

All internal medicine doctors in Mason →

Other clinicians in Oxford Physical Therapy and Rehabilitation

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

Clinician information

CredentialMD
Graduation year1988 (38 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093760589
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians