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Family Practice

William K. Swanson Iii, DO

Works at hospitals in Erie, PA · Pennsylvania

Summary

Dr. William K. Swanson Iii, DO is a family doctor at 319 W 10th St, Erie, PA 16502. Phone: (814) 455-1311. Accepts Medicare assignment. In 2024, William K. Swanson Iii had 80 Original Medicare patients and 1,502 services. NPI 1962409904. 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: 319 W 10th St, Erie, PA 16502 · Directions (1 more location)
  • Phone: (814) 455‑1311
  • Medicare: Accepts Medicare assignment
  • Hospital: UPMC Hamot
  • Medical school: graduated 1994 (32 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 William K. Swanson Iii, 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 William K. Swanson Iii accept Medicare assignment?
Yes. Medicare's clinician data says William K. Swanson Iii 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 William K. Swanson Iii see?
In 2024, CMS data shows 80 Original Medicare patients and 1,502 services for William K. Swanson Iii. This counts Original Medicare only and measures volume, not quality.
What is William K. Swanson Iii's NPI number?
1962409904. 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 William K. Swanson Iii, 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 patients80
Services billed to Medicare1,502
Different services or procedures37
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)300 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)152 services
  3. Injection, dexamethasone sodium phosphate, 1 mg (J1100)108 services
  4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)55 services
  5. Removal of fingernails or toenails, 6 or more nails (11721)22 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 cholesterol75%
  • Arthritis44%
  • COPD41%
  • Diabetes30%
  • Heart failure21%

Hospitals where William K. Swanson Iii works

Medicare's Facility Affiliation Data lists William K. Swanson Iii 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.

  • UPMC HamotErie, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390063

Practice locations

Addresses where William K. Swanson Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Erie

Clinicians with the same Medicare primary specialty in Erie, PA — not a recommendation.

All family doctors in Erie →

Clinician information

CredentialDO
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1962409904
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