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Thoracic Surgery

Hugh G. Auchincloss, MD

Works at hospitals in Boston, MA · W Concord, MA · Newton, MA … · Massachusetts

Summary

Dr. Hugh G. Auchincloss, MD is a thoracic surgeon at 55 Fruit St, Boston, MA 02114. Phone: (617) 726-2000. Accepts Medicare assignment. In 2024, Hugh G. Auchincloss had 534 Original Medicare patients and 1,073 services. NPI 1003076522. 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 Hugh G. Auchincloss, 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 Hugh G. Auchincloss accept Medicare assignment?
Yes. Medicare's clinician data says Hugh G. Auchincloss 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 Hugh G. Auchincloss see?
In 2024, CMS data shows 534 Original Medicare patients and 1,073 services for Hugh G. Auchincloss. This counts Original Medicare only and measures volume, not quality.
What is Hugh G. Auchincloss's NPI number?
1003076522. 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 Hugh G. Auchincloss, 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 patients534
Services billed to Medicare1,073
Different services or procedures103
Participating Medicare providerYes
Average age of these patients75

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)188 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)180 services
  3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)131 services
  4. Telephone medical discussion with physician, 21-30 minutes (99443)122 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)67 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%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)54%
  • Arthritis46%
  • Ischemic heart disease42%
  • Anxiety36%

Hospitals where Hugh G. Auchincloss works

Medicare's Facility Affiliation Data lists Hugh G. Auchincloss 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.

  • Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
  • Emerson Hospital -W Concord, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220084
  • Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
  • Newton-Wellesley HospitalNewton, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220101
  • North Shore Medical Center -Salem, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220035

Practice locations

Addresses where Hugh G. Auchincloss is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Hugh G. Auchincloss as a member of these groups (CMS data updated October 2, 2026).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group
  • The General Hospital Corporation1,267 clinicians in the group

Specialties

Find other Thoracic Surgery doctors in Massachusetts →

Other thoracic surgeons in Boston

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

All thoracic surgeons 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 year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1003076522
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