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

Internal Medicine

Geraldine A. Finlay, MD

Works at hospitals in Lowell, MA · Boston, MA · Massachusetts

Summary

Dr. Geraldine A. Finlay, MD is an internal medicine doctor at 800 Washington St, Boston, MA 02111. Phone: (617) 636-5000. Accepts Medicare assignment. In 2024, Geraldine A. Finlay had 46 Original Medicare patients and 115 services. NPI 1437168572. 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 Geraldine A. Finlay, 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 Geraldine A. Finlay accept Medicare assignment?
Yes. Medicare's clinician data says Geraldine A. Finlay 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 Geraldine A. Finlay see?
In 2024, CMS data shows 46 Original Medicare patients and 115 services for Geraldine A. Finlay. This counts Original Medicare only and measures volume, not quality.
What is Geraldine A. Finlay's NPI number?
1437168572. 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 Geraldine A. Finlay, 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 patients46
Services billed to Medicare115
Different services or procedures14
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Critical care, first 30-74 minutes (99291)22 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)21 services
  3. Test to examine how well the lungs exchange gases (94729)17 services
  4. Test to measure expiratory airflow and volume (94010)14 services
  5. Test to determine lung volumes using sensors (94726)14 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%
  • COPD63%
  • Ischemic heart disease61%
  • Chronic kidney disease57%
  • Heart failure52%

Hospitals where Geraldine A. Finlay works

Medicare's Facility Affiliation Data lists Geraldine A. Finlay 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.

  • Lowell General HospitalLowell, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220063
  • Tufts Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 220116

Practice locations

Addresses where Geraldine A. Finlay is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Geraldine A. Finlay as a member of this group (CMS data updated October 2, 2026).

  • Pratt Medical Group Inc286 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

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

All internal medicine doctors in Boston →

Other clinicians in Pratt Medical Group Inc

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

Clinician information

CredentialMD
Graduation year1990 (36 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437168572
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