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Physician Assistant

Nathan R. Hayes, PA

Works at hospitals in Augusta, ME · Maine

Summary

Nathan R. Hayes, PA is a physician assistant at 149 N St, Waterville, ME 04901. Phone: (207) 872-1000. Accepts Medicare assignment. In 2024, Nathan R. Hayes had 167 Original Medicare patients and 365 services. NPI 1922205756. 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: Physician assistant
  • Address: 149 N St, Waterville, ME 04901 · Directions (1 more location)
  • Phone: (207) 872‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Maine General Medical Center
  • Group practice: Mainegeneral Medical Center
  • School: graduated 2007
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nathan R. Hayes, 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 Nathan R. Hayes accept Medicare assignment?
Yes. Medicare's clinician data says Nathan R. Hayes 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 Nathan R. Hayes see?
In 2024, CMS data shows 167 Original Medicare patients and 365 services for Nathan R. Hayes. This counts Original Medicare only and measures volume, not quality.
What is Nathan R. Hayes's NPI number?
1922205756. 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 Nathan R. Hayes, 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 patients167
Services billed to Medicare365
Different services or procedures9
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)144 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)114 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)38 services
  4. Hospital discharge day management, more than 30 minutes (99239)37 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)14 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 cholesterol72%
  • Arthritis55%
  • Depression50%
  • Chronic kidney disease45%
  • Anxiety44%

Hospitals where Nathan R. Hayes works

Medicare's Facility Affiliation Data lists Nathan R. Hayes 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 Nathan R. Hayes is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Mainegeneral Medical Center555 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Maine →

Other physician assistants in Waterville

Clinicians with the same Medicare primary specialty in Waterville, ME — not a recommendation.

All physician assistants in Waterville →

Other clinicians in Mainegeneral Medical Center

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

Clinician information

CredentialPA
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922205756
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