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Emergency Medicine

Dorothy W. Brown, MD

Works at hospitals in Oceanside, CA · California

Summary

Dr. Dorothy W. Brown, MD is an emergency medicine doctor at 4002 Vista Way, Oceanside, CA 92056. Phone: (760) 724-8411. Accepts Medicare assignment. In 2024, Dorothy W. Brown had 239 Original Medicare patients and 352 services. NPI 1710971643. 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: 4002 Vista Way, Oceanside, CA 92056 · Directions
  • Phone: (760) 724‑8411
  • Medicare: Accepts Medicare assignment
  • Hospital: Tri-City Medical Center
  • Group practice: Team Physicians of Southern California Medical Group Inc
  • Medical school: Georgetown University School Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Dorothy W. Brown, 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 Dorothy W. Brown accept Medicare assignment?
Yes. Medicare's clinician data says Dorothy W. Brown 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 Dorothy W. Brown see?
In 2024, CMS data shows 239 Original Medicare patients and 352 services for Dorothy W. Brown. This counts Original Medicare only and measures volume, not quality.
What is Dorothy W. Brown's NPI number?
1710971643. 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 Dorothy W. Brown, 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 patients239
Services billed to Medicare352
Different services or procedures30
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)111 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)81 services
  3. Critical care, first 30-74 minutes (99291)58 services
  4. Emergency department visit with moderate level of medical decision making (99284)43 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 cholesterol74%
  • Arthritis48%
  • Depression39%
  • Atrial fibrillation39%
  • Diabetes38%

Hospitals where Dorothy W. Brown works

Medicare's Facility Affiliation Data lists Dorothy W. Brown 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.

  • Tri-City Medical CenterOceanside, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050128

Practice locations

Addresses where Dorothy W. Brown is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Dorothy W. Brown as a member of this group (CMS data updated October 2, 2026).

  • Team Physicians of Southern California Medical Group Inc24 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Oceanside

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

All emergency medicine doctors in Oceanside →

Other clinicians in Team Physicians of Southern California Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolGeorgetown University School Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710971643
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