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General Surgery

Carlos R. Guzman, MD

Works at hospitals in Lynwood, CA · Long Beach, CA · California

Summary

Dr. Carlos R. Guzman, MD is a general surgeon at 1050 Linden Ave, Long Beach, CA 90813. Phone: (562) 491-9000. Accepts Medicare assignment. In 2024, Carlos R. Guzman had 98 Original Medicare patients and 148 services. NPI 1982090668. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Carlos R. Guzman, 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 Carlos R. Guzman accept Medicare assignment?
Yes. Medicare's clinician data says Carlos R. Guzman 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 Carlos R. Guzman see?
In 2024, CMS data shows 98 Original Medicare patients and 148 services for Carlos R. Guzman. This counts Original Medicare only and measures volume, not quality.
What is Carlos R. Guzman's NPI number?
1982090668. 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 Carlos R. Guzman, 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 patients98
Services billed to Medicare148
Different services or procedures29
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)32 services
  2. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)20 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)16 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)14 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 cholesterol70%
  • Diabetes67%
  • Chronic kidney disease59%
  • Ischemic heart disease54%
  • Heart failure53%

Hospitals where Carlos R. Guzman works

Medicare's Facility Affiliation Data lists Carlos R. Guzman 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.

  • Saint Francis Medical CenterLynwood, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050104
  • St Mary Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050191

Practice locations

Addresses where Carlos R. Guzman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carlos R. Guzman as a member of this group (CMS data updated October 2, 2026).

  • Desert Trauma Surgeons Inc33 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Long Beach

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

All general surgeons in Long Beach →

Other clinicians in Desert Trauma Surgeons Inc

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982090668
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