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Emergency Medicine

Susan J. Lewis, MD

Works at hospitals in San Diego, CA · California

Summary

Dr. Susan J. Lewis, MD is an emergency medicine doctor at 4077 5th Ave, San Diego, CA 92103. Phone: (619) 686-3800. Accepts Medicare assignment. In 2024, Susan J. Lewis had 201 Original Medicare patients and 333 services. NPI 1881622702. 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: 4077 5th Ave, San Diego, CA 92103 · Directions
  • Phone: (619) 686‑3800
  • Medicare: Accepts Medicare assignment
  • Hospital: Scripps Mercy Hospital
  • Group practice: Pacific Emergency Providers a Prof Corp
  • Medical school: University Of California, San Diego School Of Medicine · graduated 1992 (34 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Susan J. Lewis, 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 Susan J. Lewis accept Medicare assignment?
Yes. Medicare's clinician data says Susan J. Lewis 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 Susan J. Lewis see?
In 2024, CMS data shows 201 Original Medicare patients and 333 services for Susan J. Lewis. This counts Original Medicare only and measures volume, not quality.
What is Susan J. Lewis's NPI number?
1881622702. 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 Susan J. Lewis, 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 patients201
Services billed to Medicare333
Different services or procedures18
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)115 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)83 services
  3. Emergency department visit with moderate level of medical decision making (99284)57 services
  4. Electrocardiogram (ecg) 1 to 3 leads with review by physician only (93042)35 services
  5. Critical care, first 30-74 minutes (99291)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%
  • Arthritis52%
  • Anxiety50%
  • Depression47%
  • Diabetes43%

Hospitals where Susan J. Lewis works

Medicare's Facility Affiliation Data lists Susan J. Lewis 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 Susan J. Lewis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Susan J. Lewis as a member of this group (CMS data updated October 2, 2026).

  • Pacific Emergency Providers a Prof Corp24 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All emergency medicine doctors in San Diego →

Other clinicians in Pacific Emergency Providers a Prof Corp

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881622702
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