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Family Practice

Donald T. Swain, DO

Works at hospitals in Gilbert, AZ · Queen Creek, AZ · Arizona

Summary

Dr. Donald T. Swain, DO is a family doctor at 37100 N Gantzel Rd, Suite 201, San Tan Valley, AZ 85140. Phone: (480) 394-4469. Accepts Medicare assignment. In 2024, Donald T. Swain had 278 Original Medicare patients and 1,155 services. NPI 1801418223. 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: Family doctor (Medicare lists Family Practice)
  • Address: 37100 N Gantzel Rd, Suite 201, San Tan Valley, AZ 85140 · Directions
  • Phone: (480) 394‑4469
  • Medicare: Accepts Medicare assignment
  • Hospitals: Banner Gateway Medical Center, Banner Ironwood Medical Center
  • Group practice: Banner Primary Care Physicians Arizona LLC
  • Medical school: graduated 2020 (6 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 Donald T. Swain, 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 Donald T. Swain accept Medicare assignment?
Yes. Medicare's clinician data says Donald T. Swain 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 Donald T. Swain see?
In 2024, CMS data shows 278 Original Medicare patients and 1,155 services for Donald T. Swain. This counts Original Medicare only and measures volume, not quality.
What is Donald T. Swain's NPI number?
1801418223. 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 Donald T. Swain, 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 patients278
Services billed to Medicare1,155
Different services or procedures48
Participating Medicare providerYes
Average age of these patients73

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)395 services
  2. 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)159 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)128 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)89 services
  5. Smoking and tobacco use intensive counseling, 4-10 minutes (99406)34 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 cholesterol75%
  • High blood pressure74%
  • Arthritis41%
  • Diabetes28%
  • Chronic kidney disease27%
  • Ischemic heart disease22%

Hospitals where Donald T. Swain works

Medicare's Facility Affiliation Data lists Donald T. Swain 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 Donald T. Swain is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Donald T. Swain as a member of this group (CMS data updated October 2, 2026).

  • Banner Primary Care Physicians Arizona LLC239 clinicians in the group

Specialties

Find other Family Practice doctors in Arizona →

Other family doctors in San Tan Valley

Clinicians with the same Medicare primary specialty in San Tan Valley, AZ — not a recommendation.

All family doctors in San Tan Valley →

Other clinicians in Banner Primary Care Physicians Arizona LLC

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

Clinician information

CredentialDO
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1801418223
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