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Internal Medicine

Charlotte H. Miller, MD

Sees patients in Westfield, MA · Massachusetts

Summary

Dr. Charlotte H. Miller, MD is an internal medicine doctor at 91 E Mountain Rd, Westfield, MA 01085. Phone: (413) 562-4131. Accepts Medicare assignment. In 2024, Charlotte H. Miller had 43 Original Medicare patients and 141 services. NPI 1346272861. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 91 E Mountain Rd, Westfield, MA 01085 · Directions
  • Phone: (413) 562‑4131
  • Medicare: Accepts Medicare assignment
  • Group practice: Western Massachusetts Hospital
  • Medical school: University Of Maryland School Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Charlotte H. Miller, 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 Charlotte H. Miller accept Medicare assignment?
Yes. Medicare's clinician data says Charlotte H. Miller 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 Charlotte H. Miller see?
In 2024, CMS data shows 43 Original Medicare patients and 141 services for Charlotte H. Miller. This counts Original Medicare only and measures volume, not quality.
What is Charlotte H. Miller's NPI number?
1346272861. 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 Charlotte H. Miller, 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 patients43
Services billed to Medicare141
Different services or procedures5
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)115 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)20 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 pressure74%
  • Anxiety65%
  • High cholesterol53%
  • Alzheimer's disease or dementia51%
  • Depression49%
  • Heart failure33%

Practice locations

Addresses where Charlotte H. Miller is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Charlotte H. Miller as a member of this group (CMS data updated October 2, 2026).

  • Western Massachusetts Hospital9 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Westfield

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

All internal medicine doctors in Westfield →

Other clinicians in Western Massachusetts Hospital

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

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346272861
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians