Practice address
4201 Torrance Blvd
Torrance, CA 90503
This is the address of Csi Medical Group, Prohealth PArtners, A Medical Group, Regents of the University of California Los Angeles, Providence Medical Institute, Retina Macula Institute and 11 more groups.
Los Angeles County includes primary care (7% of residents) and mental health (13% of residents) shortage areas. About shortage areas
At a glance
- Clinicians registered here
- 39
- Physicians (MD and DO)
- 16
- Specialties
- 22
- Industry payments to them, 2025
- $22,605
Specialties here
- Everyone 39
- Specialist 7
- Audiologists 4
- Nurse Practitioners 3
- OB-GYN (Obstetrics & Gynecology) 2
- Cardiology 2
- Physical Therapists 2
- Dentists (general) 2
- Optometrists 2
- Dermatology 2
- Orthodontists 1
- Maternal-Fetal Medicine (High-Risk Pregnancy) 1
- Internal Medicine 1
- Neurology 1
- Endodontists 1
- Family Medicine 1
- Allergy & Immunology 1
- Ophthalmology 1
- Periodontists 1
- Pediatrics 1
- Pain Medicine 1
- ENT (Otolaryngology) 1
- Orthopedic Surgery 1
Who practices here
39 clinicians
- Alicia M. Czuzak, M.A. Audiologists · Suite 140
- Andrea C. Huttinger, M.A. Audiologists · 140
- Anthony G. Leung, M.D. Specialist · Suite 190
- Astrid Mendoza, D.O OB-GYN (Obstetrics & Gynecology) · Suite 780
- Basil Younes, D.O. Cardiology · Suite 420
- Beatris Martinez, RNP Nurse Practitioners
- Brian S. Noguchi, BRIAN NOGUCHI, DDS Orthodontists · #430
- C. Scott Naylor, M.D. Maternal-Fetal Medicine (High-Risk Pregnancy) · Suite 540
- Chris M. Tsuneishi, M.D. Internal Medicine · Suite 360
- Christina Yuen, M.D. Neurology
- David M. Butsumyo, D.D.S. Endodontists · Suite 480
- Donna A. Richey, MD OB-GYN (Obstetrics & Gynecology) · Suite 350
- Dwight W. Malone, M.D. Family Medicine · Ste 790
- Elizabeth Z. Underhill, M.P.T. Physical Therapists · Suite 200
- Ellyn Ashida, MD Allergy & Immunology · 730
- Eric O. Johnson, DDS Dentists (general) · Suite 420
- Henry T. Noguchi, MD Ophthalmology · Suite 580
- Howard M. Savitt, M.D. Specialist · Suite 735
- Jay S. Underhill, M.P.T. Physical Therapists · Suite 200
- John P. Ducar, D.D.S. Periodontists · Ste 450
- John S. Lu, M.D. Pediatrics · Suite 370
- Kamran Matin, M.D. Cardiology · Suite. 790
- Kenneth S. Bradley, MD Pain Medicine · Suite 590
- Lesley J. Luk, MD ENT (Otolaryngology) · Suite 390
- Margaret A. Guglielmo, NP Nurse Practitioners · Suite 350
- Margaret Karwecki, N.P. Nurse Practitioners · Suite 560
- Mark E. Nakano, OD Optometrists · Suite 580
- Michael L. Friedman, M.D. Specialist · Suite 660
- Michael L. Slutzker, M.D. Orthopedic Surgery · 470
- Paul M. Sumida, OD Optometrists · Ste 580
- Peter C. Chen, DDS Dentists (general) · #490
- Reyhaneh Hamidi, MD Dermatology · Suite 640
- Roy B. Blumenstrauch, M.D. Specialist · Ste 640
- Steven R. Weinstein, M.D. Specialist · 750
- Sunny S. Beltran, BA, HA Hearing Instrument Specialist · Suite 140
- Susan K. Eckardt, AUD Audiologists · Suite 140
- Takako G. Iwasaki, M.D. Dermatology · Suite 340
- Teresa A. Kenny, M.A. Audiologists · 140
- William C. Kim, M.D. Specialist · Suite 190
Hospitals and medical groups at this address
- Csi Medical Group 14 of its clinicians here 111
- Prohealth PArtners, A Medical Group 8 of its clinicians here 239
- Regents of the University of California Los Angeles 7 of its clinicians here 84
- Providence Medical Institute 6 of its clinicians here 288
- Retina Macula Institute 5 of its clinicians here 5
- Parker Hearing Institute A Professional Corproration 3 of its clinicians here 3
- Providence Medical Institute 3 of its clinicians here 288
- Providence Saint Johns Medical Foundation 3 of its clinicians here 281
- Usc Care Medical Group Inc 2 of its clinicians here 1,380
- William C Kim MD Inc 2 of its clinicians here 2
- W Benton Boone MD Ms 2 of its clinicians here 2
- Southern California PAin Consultants, Inc 2 of its clinicians here 2
- Prohealth PArtners, A Medical Group 2 of its clinicians here 239
- The Regents of the University of California 2 of its clinicians here 2
- Ram Dandillaya MD Inc 2 of its clinicians here 2
- Rama E Chandran MD Inc 2 of its clinicians here 2
From Medicare Care Compare. Numbers on the right are each organization’s clinicians in total.
Industry payments
Drug and device makers reported $22,605 in general payments to 15 clinicians at this address in 2025.
- Basil Younes, D.O. $13,343
- Kamran Matin, M.D. $3,071
- Reyhaneh Hamidi, MD $1,114
- Mark E. Nakano, OD $1,056
- Margaret Karwecki, N.P. $811
- Ellyn Ashida, MD $790
- Chris M. Tsuneishi, M.D. $623
- Dwight W. Malone, M.D. $417
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Organizations registered here
- Ellyn R. Ashida, M.d., Inc. Allergy & Immunology
- California Heart & Vascular Institute Cardiology
- A James Lewis, MD, Inc. Cardiology
- Ram Dandillaya, M.d., Inc. Cardiology
- Valley Cardiology and Vascular Associates Inc Cardiology
- Kenneth K. Sakamoto M.d., Inc. Cardiology
- Kronos Cardia Medical Group, Inc Cardiology
- Erol Kosar MD Inc Cardiac Electrophysiology
- Labwest, Inc Clinical Medical Laboratory
- Janna Pharmacy, LLC Community/Retail Pharmacy
- Aj Pharmacy, LLC Community/Retail Pharmacy
- Eric Johnson Dds, Inc., A Professional Dental Corporation Dental Clinic/Center
- Hoka Medical Inc., A Professional Corporation Durable Medical Equipment & Medical Supplies
- Iraj Akhlaghi M.d. Inc. Gastroenterology
- Sunila Fuster MD A Professional Corp. General Practice
- Diagnostic Imaging Services, Inc. General Practice
- Eo Johnson, California Dental Corporation Dentists (general)
- Denny & Peter Chen Dds, Inc. Dentists (general)
- Rejuvenation & Longevity MD Internal Medicine
- Southern California PAin Consultants Inc Pain Medicine
- C. Scott Naylor, MD, Inc A Medical Corporation Maternal-Fetal Medicine (High-Risk Pregnancy)
- David M. Duffy, MD Inc Medical Specialty Clinic/Center
- The Healthy Woman's Medical Centre Medical Specialty Clinic/Center
- Specialized Imaging, Inc. Nuclear Medicine Technology Radiologic Technologist
- John C Lim MD & Francine F Ito MD A Professional Corporation OB-GYN (Obstetrics & Gynecology)
- Jeffrey Jay Cowan MD Inc OB-GYN (Obstetrics & Gynecology)
- John C. Lim, MD and Francine Ito,md OB-GYN (Obstetrics & Gynecology)
- John C Lim MD & Francine F Ito MD A Professional Corporation OB-GYN (Obstetrics & Gynecology)
- Reinhold Ullrich MD Inc OB-GYN (Obstetrics & Gynecology)
- Jeffrey Jay Cowan MD Inc & Heather Miller MD Inc A General PArtnership OB-GYN (Obstetrics & Gynecology)
- Donald Okada, MD Inc OB-GYN (Obstetrics & Gynecology)
- Mona P Ramaney MD Inc OB-GYN (Obstetrics & Gynecology)
- Priority Womens Healthcare OB-GYN (Obstetrics & Gynecology)
- Henry T. Noguchi, M.d., Inc Ophthalmology
- Mark Nakano Optometric Corporation Optometrists
- Mehta Ortho MD Inc Orthopedic Surgery
- Scpc Surgery Center Pain Clinic/Center
- John P. Ducar, D.d.s., Inc. Periodontists
- John P. Ducar, D.d.s., Inc Periodontists
- Active Care Physical Therapy Physical Therapists
Sources: CMS NPPES NPI Registry (who is registered at this address, as each clinician reported it), Medicare Care Compare (hospitals and groups), CMS Open Payments 2025. Addresses can be out of date; call before visiting.