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Diagnostic Radiology

Lotfi Hacein-Bey, MD

Works at hospitals in Stanford, CA · Pleasanton, CA · California

Summary

Dr. Lotfi Hacein-Bey, MD is a radiologist at 300 Pasteur Dr, Stanford, CA 94305. Phone: (650) 723-4000. Accepts Medicare assignment. In 2024, Lotfi Hacein-Bey had 1,076 Original Medicare patients and 1,519 services. NPI 1730166604. 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 Lotfi Hacein-Bey, 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 Lotfi Hacein-Bey accept Medicare assignment?
Yes. Medicare's clinician data says Lotfi Hacein-Bey 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 Lotfi Hacein-Bey see?
In 2024, CMS data shows 1,076 Original Medicare patients and 1,519 services for Lotfi Hacein-Bey. This counts Original Medicare only and measures volume, not quality.
What is Lotfi Hacein-Bey's NPI number?
1730166604. 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 Lotfi Hacein-Bey, 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 patients1,076
Services billed to Medicare1,519
Different services or procedures66
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Ct scan head or brain without contrast (70450)267 services
  2. Mri scan of brain before and after contrast (70553)218 services
  3. Mri scan of brain without contrast (70551)98 services
  4. Ct scan of blood vessels of head with contrast (70496)83 services
  5. Mri scan of lower spinal canal without contrast (72148)83 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 pressure72%
  • High cholesterol72%
  • Arthritis55%
  • Diabetes32%
  • Ischemic heart disease31%
  • Depression30%

Hospitals where Lotfi Hacein-Bey works

Medicare's Facility Affiliation Data lists Lotfi Hacein-Bey 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.

  • Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
  • Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283

Practice locations

Addresses where Lotfi Hacein-Bey is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lotfi Hacein-Bey as a member of this group (CMS data updated October 2, 2026).

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in California →

Other radiologists in Stanford

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

All radiologists in Stanford →

Other clinicians in Stanford Health Care

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

Clinician information

CredentialMD
Graduation year1981 (45 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1730166604
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