Maria K. Lui, MD

Medicare activity in 2024

Official CMS public-use data for Maria K. Lui, 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.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)619 services
2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)291 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)201 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)195 services
5. Insertion of needle into vein for collection of blood sample (36415)147 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 cholesterol75%
• High blood pressure61%
• Arthritis44%
• Osteoporosis27%
• Anxiety25%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)20%

Hospitals where Maria K. Lui works

Medicare's Facility Affiliation Data lists Maria K. Lui 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.

• Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050351

Practice locations

Addresses where Maria K. Lui is enrolled with Medicare (CMS data updated October 2, 2026).

• 855 Manhattan Beach Blvd, Suite 102Manhattan Beach, CA 90266 (310) 939‑7858

Group practices

Medicare enrollment lists Maria K. Lui as a member of this group (CMS data updated October 2, 2026).

• Torrance Health Association Inc299 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Manhattan Beach

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

• Robert D. Swift, MD
• Anurag Relan, MD
• Edmond Abdou, MD
• Sonia R. Dhairyawan-Carvalho, MD
• Joshua A. Tarpley, MD
• Lee G. Kissel, MD
• Hana Kim, DO
• Ahad A. Shiraz, MD

All family doctors in Manhattan Beach →

Other clinicians in Torrance Health Association Inc

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

• Sandra Isnasious, MD
• Gary Tsai, MD
• Kari M. Ogata, PT
• Austin J. Willis, PA
• Michelle A. Charfen, MD
• Prasun Ramakrishnan, MD

Clinician information

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