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Cardiac Surgery

Carmine Frumiento, MD

Works at hospitals in Lewiston, ME · Rumford, ME · Maine

Summary

Dr. Carmine Frumiento, MD is a cardiac surgeon at 300 Main St, Lewiston, ME 04240. Accepts Medicare assignment. In 2024, Carmine Frumiento had 60 Original Medicare patients and 139 services. NPI 1912987645. 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: Cardiac surgeon (Medicare lists Cardiac Surgery)
  • Address: 300 Main St, Lewiston, ME 04240 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospitals: Central Maine Medical Center, Rumford Hospital
  • Group practice: Central Maine Medical Center
  • Medical school: University Of Vermont College Of Medicine · graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Carmine Frumiento, 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 Carmine Frumiento accept Medicare assignment?
Yes. Medicare's clinician data says Carmine Frumiento 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 Carmine Frumiento see?
In 2024, CMS data shows 60 Original Medicare patients and 139 services for Carmine Frumiento. This counts Original Medicare only and measures volume, not quality.
What is Carmine Frumiento's NPI number?
1912987645. 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 Carmine Frumiento, 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 patients60
Services billed to Medicare139
Different services or procedures37
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Coronary artery bypass using artery graft, 1 graft (33533)16 services
  2. Harvest of vein using an endoscope (33508)15 services
  3. Diagnostic exam of lung airway using an endoscope (31622)14 services
  4. Ultrasonic guidance during surgery (76998)13 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)12 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%
  • Ischemic heart disease67%
  • Arthritis55%
  • COPD55%
  • Diabetes45%

Hospitals where Carmine Frumiento works

Medicare's Facility Affiliation Data lists Carmine Frumiento 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.

  • Central Maine Medical CenterLewiston, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200024
  • Rumford HospitalRumford, ME · Critical Access Hospital · Emergency services: listed by Medicare · CCN 201306

Practice locations

Addresses where Carmine Frumiento is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carmine Frumiento as a member of this group (CMS data updated October 2, 2026).

  • Central Maine Medical Center342 clinicians in the group

Specialties

Find other Cardiac Surgery doctors in Maine →

Other cardiac surgeons in Maine

Clinicians with the same Medicare primary specialty in Maine — not a recommendation.

All cardiac surgeons in Maine →

Other clinicians in Central Maine Medical Center

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

Clinician information

CredentialMD
Medical schoolUniversity Of Vermont College Of Medicine
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912987645
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