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Emergency Medicine

Autumn N. Bass, DO

Works at hospitals in New Britain, CT · Connecticut

Summary

Dr. Autumn N. Bass, DO is an emergency medicine doctor at 100 Grand St, New Britain, CT 06052. Phone: (860) 224-5121. Accepts Medicare assignment. In 2024, Autumn N. Bass had 94 Original Medicare patients and 99 services. NPI 1770161507. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 100 Grand St, New Britain, CT 06052 · Directions (1 more location)
  • Phone: (860) 224‑5121
  • Medicare: Accepts Medicare assignment
  • Hospital: The Hospital of Central Connecticut
  • Group practice: Hartford Hospital (+1 more)
  • Medical school: Campbell Univ School Of Osteopathic Medicine · graduated 2021 (5 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Autumn N. Bass, 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 Autumn N. Bass accept Medicare assignment?
Yes. Medicare's clinician data says Autumn N. Bass 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 Autumn N. Bass see?
In 2024, CMS data shows 94 Original Medicare patients and 99 services for Autumn N. Bass. This counts Original Medicare only and measures volume, not quality.
What is Autumn N. Bass's NPI number?
1770161507. 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 Autumn N. Bass, 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 patients94
Services billed to Medicare99
Different services or procedures11
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)65 services
  2. Emergency department visit with moderate level of medical decision making (99284)15 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%
  • Ischemic heart disease50%
  • Heart failure50%
  • Anxiety48%
  • Chronic kidney disease48%

Hospitals where Autumn N. Bass works

Medicare's Facility Affiliation Data lists Autumn N. Bass 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 Autumn N. Bass is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Autumn N. Bass as a member of these groups (CMS data updated October 2, 2026).

  • Hartford Hospital1,044 clinicians in the group
  • The Hospital of Central Connecticut at New Britain General and Bradley399 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Connecticut →

Other emergency medicine doctors in New Britain

Clinicians with the same Medicare primary specialty in New Britain, CT — not a recommendation.

All emergency medicine doctors in New Britain →

Other clinicians in Hartford Hospital

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

Clinician information

CredentialDO
Medical schoolCampbell Univ School Of Osteopathic Medicine
Graduation year2021 (5 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770161507
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