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Pulmonary Disease

Nicholas A. Pozzessere, DO

Works at hospitals in Machias, ME · Farmington, ME · Portland, ME … · Maine, New Hampshire

Summary

Dr. Nicholas A. Pozzessere, DO is a pulmonologist at 100 Foden Rd, Suite 103, South Portland, ME 04106. Phone: (207) 828-1122. Accepts Medicare assignment. In 2024, Nicholas A. Pozzessere had 386 Original Medicare patients and 761 services. NPI 1336586452. 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 Nicholas A. Pozzessere, 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 Nicholas A. Pozzessere accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas A. Pozzessere 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 Nicholas A. Pozzessere see?
In 2024, CMS data shows 386 Original Medicare patients and 761 services for Nicholas A. Pozzessere. This counts Original Medicare only and measures volume, not quality.
What is Nicholas A. Pozzessere's NPI number?
1336586452. 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 Nicholas A. Pozzessere, 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 patients386
Services billed to Medicare761
Different services or procedures45
Participating Medicare providerYes
Average age of these patients74

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)115 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)97 services
  3. Critical care, first 30-74 minutes (99291)65 services
  4. Test to examine how well the lungs exchange gases (94729)54 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)50 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%
  • Arthritis47%
  • COPD41%
  • Ischemic heart disease37%
  • Anxiety34%

Hospitals where Nicholas A. Pozzessere works

Medicare's Facility Affiliation Data lists Nicholas A. Pozzessere 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.

  • Down East Community HospitalMachias, ME · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 201311
  • MaineHealth Franklin HospitalFarmington, ME · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 201316
  • MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200009
  • Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200008
  • The Memorial HospitalNorth Conway, NH · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 301307

Practice locations

Addresses where Nicholas A. Pozzessere is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Nicholas A. Pozzessere as a member of these groups (CMS data updated October 2, 2026).

  • MaineHealth2,633 clinicians in the group
  • Mercy Hospital301 clinicians in the group
  • Chest Medicine Associates PA30 clinicians in the group
  • Down East Community Hospital29 clinicians in the group

Specialties

Find other Pulmonary Disease doctors in Maine →

Other pulmonologists in South Portland

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

All pulmonologists in South Portland →

Other clinicians in MaineHealth

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1336586452
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