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Infectious Disease

Ingrid V. Bassett, MD

Works at hospitals in Boston, MA · Massachusetts

Summary

Dr. Ingrid V. Bassett, MD is an infectious disease doctor at 55 Fruit St, Boston, MA 02114. Phone: (617) 724-0287. Accepts Medicare assignment. In 2024, Ingrid V. Bassett had 67 Original Medicare patients and 217 services. NPI 1396735676. 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: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 55 Fruit St, Boston, MA 02114 · Directions
  • Phone: (617) 724‑0287
  • Medicare: Accepts Medicare assignment
  • Hospital: Massachusetts General Hospital
  • Group practice: Massachusetts General Physicians Organization Inc
  • Medical school: Harvard Medical School · graduated 2000 (26 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ingrid V. Bassett, 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 Ingrid V. Bassett accept Medicare assignment?
Yes. Medicare's clinician data says Ingrid V. Bassett 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 Ingrid V. Bassett see?
In 2024, CMS data shows 67 Original Medicare patients and 217 services for Ingrid V. Bassett. This counts Original Medicare only and measures volume, not quality.
What is Ingrid V. Bassett's NPI number?
1396735676. 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 Ingrid V. Bassett, 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 patients67
Services billed to Medicare217
Different services or procedures6
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)103 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)68 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)21 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)19 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 cholesterol72%
  • Chronic kidney disease67%
  • Ischemic heart disease61%
  • Anxiety55%
  • Diabetes54%

Hospitals where Ingrid V. Bassett works

Medicare's Facility Affiliation Data lists Ingrid V. Bassett 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.

Practice locations

Addresses where Ingrid V. Bassett is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ingrid V. Bassett as a member of this group (CMS data updated October 2, 2026).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other Infectious Disease doctors in Massachusetts →

Other infectious disease doctors in Boston

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

All infectious disease doctors in Boston →

Other clinicians in Massachusetts General Physicians Organization Inc

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

Clinician information

CredentialMD
Medical schoolHarvard Medical School
Graduation year2000 (26 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396735676
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