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Family Practice

Joseph R. Mawyer, DO

Sees patients in Mesa, AZ · Phoenix, AZ · Arizona

Summary

Dr. Joseph R. Mawyer, DO is a family doctor at 2850 E Main St, Suite 106, Mesa, AZ 85213. Phone: (480) 618-0019. Accepts Medicare assignment. In 2024, Joseph R. Mawyer had 96 Original Medicare patients and 230 services. NPI 1336301035. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 2850 E Main St, Suite 106, Mesa, AZ 85213 · Directions (1 more location)
  • Phone: (480) 618‑0019
  • Medicare: Accepts Medicare assignment
  • Group practice: Oak Street Health Physicians Group of Arizona PLLC
  • Medical school: University Of North Texas Hsc, College Of Osteopathic Med · graduated 2008 (18 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph R. Mawyer, 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 Joseph R. Mawyer accept Medicare assignment?
Yes. Medicare's clinician data says Joseph R. Mawyer 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 Joseph R. Mawyer see?
In 2024, CMS data shows 96 Original Medicare patients and 230 services for Joseph R. Mawyer. This counts Original Medicare only and measures volume, not quality.
What is Joseph R. Mawyer's NPI number?
1336301035. 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 Joseph R. Mawyer, 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 patients96
Services billed to Medicare230
Different services or procedures35
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)57 services
  2. New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more (99202)37 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)25 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)22 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)21 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 blood pressure75%
  • High cholesterol71%
  • Arthritis51%
  • Chronic kidney disease33%
  • Depression28%
  • Ischemic heart disease27%

Practice locations

Addresses where Joseph R. Mawyer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joseph R. Mawyer as a member of this group (CMS data updated October 2, 2026).

  • Oak Street Health Physicians Group of Arizona PLLC81 clinicians in the group

Specialties

Find other Family Practice doctors in Arizona →

Other family doctors in Mesa

Clinicians with the same Medicare primary specialty in Mesa, AZ — not a recommendation.

All family doctors in Mesa →

Other clinicians in Oak Street Health Physicians Group of Arizona PLLC

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

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1336301035
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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