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Internal Medicine

William N. Pelton, MD

Works at hospitals in Saranac Lake, NY · Plattsburgh, NY · New York

Summary

Dr. William N. Pelton, MD is an internal medicine doctor at 164 Boynton Ave, Suite 103, Plattsburgh, NY 12901. Phone: (518) 561-1122. Accepts Medicare assignment. In 2024, William N. Pelton had 440 Original Medicare patients and 2,717 services. NPI 1184696841. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about William N. Pelton, 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 N. Pelton accept Medicare assignment?
Yes. Medicare's clinician data says William N. Pelton 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 N. Pelton see?
In 2024, CMS data shows 440 Original Medicare patients and 2,717 services for William N. Pelton. This counts Original Medicare only and measures volume, not quality.
What is William N. Pelton's NPI number?
1184696841. 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 N. Pelton, 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 patients440
Services billed to Medicare2,717
Different services or procedures24
Participating Medicare providerYes
Average age of these patients76

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)843 services
  2. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)689 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)430 services
  4. Annual alcohol misuse screening, 5 to 15 minutes (G0442)61 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)60 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%
  • Arthritis34%
  • Diabetes29%
  • Ischemic heart disease24%
  • Anxiety23%

Hospitals where William N. Pelton works

Medicare's Facility Affiliation Data lists William N. Pelton 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 William N. Pelton is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William N. Pelton as a member of this group (CMS data updated October 2, 2026).

  • William Pelton, MD PC3 clinicians in the group

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Plattsburgh

Clinicians with the same Medicare primary specialty in Plattsburgh, NY — not a recommendation.

All internal medicine doctors in Plattsburgh →

Other clinicians in William Pelton, MD PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Vermont College Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184696841
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