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General Surgery

Denise P. Joseph-Brown, MD

Works at hospitals in Orange, CA · California

Summary

Dr. Denise P. Joseph-Brown, MD is a general surgeon at 5122 Katella Ave, Suite 220, Los Alamitos, CA 90720. Phone: (562) 430-2103. May accept Medicare assignment. In 2024, Denise P. Joseph-Brown had 89 Original Medicare patients and 213 services. NPI 1548457807. 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: General surgeon (Medicare lists General Surgery)
  • Address: 5122 Katella Ave, Suite 220, Los Alamitos, CA 90720 · Directions
  • Phone: (562) 430‑2103
  • Medicare: May accept Medicare assignment
  • Hospital: UCI Health-Orange
  • Medical school: Howard University College Of Medicine · graduated 1982 (44 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Denise P. Joseph-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 Denise P. Joseph-Brown accept Medicare assignment?
Medicare's clinician data says Denise P. Joseph-Brown may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Denise P. Joseph-Brown see?
In 2024, CMS data shows 89 Original Medicare patients and 213 services for Denise P. Joseph-Brown. This counts Original Medicare only and measures volume, not quality.
What is Denise P. Joseph-Brown's NPI number?
1548457807. 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 Denise P. Joseph-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 patients89
Services billed to Medicare213
Different services or procedures44
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)54 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)24 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)22 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)18 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%
  • Diabetes44%
  • Ischemic heart disease33%
  • Chronic kidney disease28%

Hospitals where Denise P. Joseph-Brown works

Medicare's Facility Affiliation Data lists Denise P. Joseph-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.

  • UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Denise P. Joseph-Brown is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Los Alamitos

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

All general surgeons in Los Alamitos →

Clinician information

CredentialMD
Medical schoolHoward University College Of Medicine
Graduation year1982 (44 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1548457807
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