Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Anthony G. Eaton, MD

Works at hospitals in Newburyport, MA · Methuen, MA · Burlington, MA … · Massachusetts

Summary

Dr. Anthony G. Eaton, MD is an internal medicine doctor at 21 Highland Ave, Suite 24, Newburyport, MA 01950. Phone: (978) 462-1555. Accepts Medicare assignment. In 2024, Anthony G. Eaton had 98 Original Medicare patients and 384 services. NPI 1831193101. 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 Anthony G. Eaton, 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 Anthony G. Eaton accept Medicare assignment?
Yes. Medicare's clinician data says Anthony G. Eaton 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 Anthony G. Eaton see?
In 2024, CMS data shows 98 Original Medicare patients and 384 services for Anthony G. Eaton. This counts Original Medicare only and measures volume, not quality.
What is Anthony G. Eaton's NPI number?
1831193101. 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 Anthony G. Eaton, 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 patients98
Services billed to Medicare384
Different services or procedures11
Participating Medicare providerYes
Average age of these patients64

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)221 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)74 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)44 services
  4. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)13 services
  5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)13 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 pressure66%
  • High cholesterol60%
  • Arthritis37%
  • Diabetes35%
  • Anxiety33%
  • Depression29%

Hospitals where Anthony G. Eaton works

Medicare's Facility Affiliation Data lists Anthony G. Eaton 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.

  • Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220029
  • Holy Family HospitalMethuen, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220080
  • Lahey Hospital & Medical Center, BurlingtonBurlington, MA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 220171
  • Merrimack Health Lawrence HospitalLawrence, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220010
  • Northeast Hospital CorporationBeverly, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220033

Practice locations

Addresses where Anthony G. Eaton is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anthony G. Eaton as a member of this group (CMS data updated October 2, 2026).

  • Revere Medical of Massachusetts PC111 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Newburyport

Clinicians with the same Medicare primary specialty in Newburyport, MA — not a recommendation.

All internal medicine doctors in Newburyport →

Other clinicians in Revere Medical of Massachusetts PC

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

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year2000 (26 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1831193101
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