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Psychiatry

Waguih Ishak, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Waguih Ishak, MD is a psychiatrist at 4140 W 190th St, Torrance, CA 90504. Accepts Medicare assignment. In 2024, Waguih Ishak had 199 Original Medicare patients and 443 services. NPI 1508840448. 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: Psychiatrist (Medicare lists Psychiatry)
  • Address: 4140 W 190th St, Torrance, CA 90504 · Directions (1 more location)
  • Medicare: Accepts Medicare assignment
  • Hospital: Cedars-Sinai Medical Center
  • Group practice: Cedars-Sinai Medical Center
  • Medical school: graduated 1987 (39 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Waguih Ishak, 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 Waguih Ishak accept Medicare assignment?
Yes. Medicare's clinician data says Waguih Ishak 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 Waguih Ishak see?
In 2024, CMS data shows 199 Original Medicare patients and 443 services for Waguih Ishak. This counts Original Medicare only and measures volume, not quality.
What is Waguih Ishak's NPI number?
1508840448. 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 Waguih Ishak, 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 patients199
Services billed to Medicare443
Different services or procedures14
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)219 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)132 services
  3. Telephone or internet assessment with verbal and written report by consulting physician, more than 30 minutes (99449)42 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%
  • Arthritis75%
  • Depression75%
  • Anxiety75%
  • Heart failure61%

Hospitals where Waguih Ishak works

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

  • 4140 W 190th StTorrance, CA 90504
  • 8700 Beverly BlvdWest Hollywood, CA 90048

Group practices

Medicare enrollment lists Waguih Ishak as a member of this group (CMS data updated October 2, 2026).

  • Cedars-Sinai Medical Center799 clinicians in the group

Specialties

Find other Psychiatry doctors in California →

Other psychiatrists in Torrance

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

All psychiatrists in Torrance →

Other clinicians in Cedars-Sinai Medical Center

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

Clinician information

CredentialMD
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1508840448
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