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Emergency Medicine

Anna L. Stevens, MD

Works at hospitals in New London, CT · Westerly, RI · Connecticut, Rhode Island

Summary

Dr. Anna L. Stevens, MD is an emergency medicine doctor at 25 Wells St, Westerly, RI 02891. Phone: (401) 586-6000. Accepts Medicare assignment. In 2024, Anna L. Stevens had 82 Original Medicare patients and 91 services. NPI 1598926891. 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: 25 Wells St, Westerly, RI 02891 · Directions (1 more location)
  • Phone: (401) 586‑6000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Lawrence & Memorial Hospital, Westerly Hospital
  • Group practice: Lawrence and Memorial Hospital Inc. (+1 more)
  • Medical school: Harvard Medical School · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Anna L. Stevens, 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 Anna L. Stevens accept Medicare assignment?
Yes. Medicare's clinician data says Anna L. Stevens 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 Anna L. Stevens see?
In 2024, CMS data shows 82 Original Medicare patients and 91 services for Anna L. Stevens. This counts Original Medicare only and measures volume, not quality.
What is Anna L. Stevens's NPI number?
1598926891. 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 Anna L. Stevens, 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 patients82
Services billed to Medicare91
Different services or procedures9
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with moderate level of medical decision making (99284)39 services
  2. Emergency department visit with high level of medical decision making (99285)29 services
  3. Emergency department visit with low level of medical decision making (99283)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%
  • Arthritis54%
  • Depression40%
  • Ischemic heart disease38%
  • Anxiety37%

Hospitals where Anna L. Stevens works

Medicare's Facility Affiliation Data lists Anna L. Stevens 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
  • Westerly HospitalWesterly, RI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 410013

Practice locations

Addresses where Anna L. Stevens is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anna L. Stevens as a member of these groups (CMS data updated October 2, 2026).

  • Lawrence and Memorial Hospital Inc.49 clinicians in the group
  • LMW Healthcare Inc24 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Rhode Island →

Other emergency medicine doctors in Westerly

Clinicians with the same Medicare primary specialty in Westerly, RI — not a recommendation.

All emergency medicine doctors in Westerly →

Other clinicians in Lawrence and Memorial Hospital 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)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598926891
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