Practice address
18433 Roscoe Blvd
Northridge, CA 91325
This is the address of Renal Consultants Medical Group, Family Health and Wellness Center, Ronald J Belczyk, Dpm Inc., California Dermatology Institute PC.
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
- 17
- Physicians (MD and DO)
- 10
- Specialties
- 12
- Industry payments to them, 2025
- $20,983
Specialties here
Who practices here
17 clinicians
- Allan A. Shook, M.D. Specialist · Suite 202
- Angelica B. O'boyle, AU.D. Audiologists · Suite 204
- Christopher G. Chow, MD Internal Medicine · #208
- Dayan K. Gandhi, M.D, M.S Nephrology (Kidney) · 202
- Fariba Kohanghadosh, DDS Dentists (general)
- Federico Alva, M.D. Gynecologic Oncology · #203
- Leon Hasson, PHARM D Pharmacists
- Masoud M. Azizad, MD Internal Medicine · #208
- Mehboob A. Sachani Pediatrics · Suite 203
- Mehvish Abbasi, NP Nurse Practitioners · #106
- Ronald B. Ziman, MD Neurology · Suite 108
- Ronald Tung, M.D. Internal Medicine · Suite 214
- Ryan C. Pendleton, D.D.S. Orthodontists · Suite #201
- Seymour Silverberg, MD Pediatrics · 106
- Stephanie L. Obiako, NP Nurse Practitioners
- Susan M. Hopkins, MD Family Medicine · #102
- William Yang, M.D. Nephrology (Kidney) · Suite #202
Hospitals and medical groups at this address
- Renal Consultants Medical Group 4 of its clinicians here 9
- Family Health and Wellness Center 2 of its clinicians here 2
- Ronald J Belczyk, Dpm Inc. 1 of its clinicians here 3
- California Dermatology Institute PC 1 of its clinicians here 25
From Medicare Care Compare. Numbers on the right are each organization’s clinicians in total.
Industry payments
Drug and device makers reported $20,983 in general payments to 7 clinicians at this address in 2025.
- William Yang, M.D. $12,527
- Masoud M. Azizad, MD $2,850
- Dayan K. Gandhi, M.D, M.S $2,687
- Christopher G. Chow, MD $2,484
- Susan M. Hopkins, MD $239
- Ryan C. Pendleton, D.D.S. $159
- Mehboob A. Sachani $38
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Industry-funded research
4 clinicians here are named as investigators on industry-funded studies ($3.8M in research payments reported in 2025).
- Christopher G. Chow, MD 15 studies $1.9M
- Masoud M. Azizad, MD 19 studies $1.5M
- Dayan K. Gandhi, M.D, M.S 3 studies $340,921
- William Yang, M.D. 4 studies $93,774
Research payments usually go to the hospital or research site, not to the investigator personally.
Organizations registered here
- Medical Specialty Pharmacy Community/Retail Pharmacy
- Rogece A Professional Medical Corporation Family Medicine
- Victor S Hogen & Associates Medical Group Inc General Practice
- Niloo Tavakol Dds Inc Dentists (general)
- Ronald Tung MD Inc Health Service Clinic/Center
- Christopher G Chow MD Inc Internal Medicine
- Masoud M Azizad MD Inc Internal Medicine
- Allan A. Shook,m.d. A Medical Corporation Nephrology (Kidney)
- Optumcare Management, LLC Non-Pharmacy Dispensing Site
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.