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Internal Medicine

Hicham Siouty, MD

Works at hospitals in Torrance, CA · California

Summary

Dr. Hicham Siouty, MD is an internal medicine doctor at 23600 Telo Ave, Suite 145, Torrance, CA 90505. Phone: (310) 325-9009. Accepts Medicare assignment. In 2024, Hicham Siouty had 327 Original Medicare patients and 6,975 services. NPI 1801831904. 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 Hicham Siouty, 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 Hicham Siouty accept Medicare assignment?
Yes. Medicare's clinician data says Hicham Siouty 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 Hicham Siouty see?
In 2024, CMS data shows 327 Original Medicare patients and 6,975 services for Hicham Siouty. This counts Original Medicare only and measures volume, not quality.
What is Hicham Siouty's NPI number?
1801831904. 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 Hicham Siouty, 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 patients327
Services billed to Medicare6,975
Different services or procedures89
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)858 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)824 services
  3. Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)552 services
  4. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)290 services
  5. Application of ultrasound, each 15 minutes (97035)289 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%
  • Arthritis63%
  • Depression46%
  • Ischemic heart disease43%
  • Alzheimer's disease or dementia39%

Hospitals where Hicham Siouty works

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

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Torrance

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

All internal medicine doctors in Torrance →

Clinician information

CredentialMD
Graduation year1978 (48 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1801831904
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