Marianne T. Longacre, DO

Medicare activity in 2024

Official CMS public-use data for Marianne T. Longacre, 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.

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)426 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)186 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)75 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)53 services
5. Administration of influenza virus vaccine (G0008)36 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 cholesterol75%
• High blood pressure67%
• Arthritis54%
• Anxiety31%
• Osteoporosis30%
• Depression22%

Hospitals where Marianne T. Longacre works

Medicare's Facility Affiliation Data lists Marianne T. Longacre 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.

• Lawrence & Memorial HospitalNew London, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070007
• South County Hospital IncWakefield, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410008
• Westerly HospitalWesterly, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410013

Practice locations

Addresses where Marianne T. Longacre is enrolled with Medicare (CMS data updated October 2, 2026).

• 45 Wells StWesterly, RI 02891

Group practices

Medicare enrollment lists Marianne T. Longacre as a member of this group (CMS data updated October 2, 2026).

• Northeast Medical Group Inc1,360 clinicians in the group

Specialties

• Osteopathic Manipulative Medicineprimary
• Family Practicealso

Find other Osteopathic Manipulative Medicine doctors in Rhode Island →

Other osteopathic manipulative medicine doctors in Rhode Island

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

• Alison Macdonald, MD
• Hilary Cerullo, DO
• George J. Pasquarello Iii, MD

All osteopathic manipulative medicine doctors in Rhode Island →

Other clinicians in Northeast Medical Group Inc

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

• Clifford B. Locke, MD
• Walter M. Cholewczynski, MD
• Zahraa Ibrahem
• Prachi Pednekar, MD
• Valeria Pazo, MD
• Niall J. Duhig, MD

Clinician information

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