Walter S Chang, MD
Patients across CA can see Walter S Chang, MD in person in Gardena or via virtual visit — no travel required. Trained at University of California, Davis School of Medicine (class of 2017), he has been practicing for over 9 years. Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family.
At a glance
- Prescribes opioids less than 41% of reporting doctors in California
- Uses generic medications more than 71% of reporting doctors in California
- Virtual visits available — no app or travel required
Recent · 75dNPPES updated 2026-02-20 · verify on CMS
How Does This Doctor Compare?
Based on Medicare data, this doctor prescribes opioid pain medications conservatively, favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better1.72%
California avg: 5.2 · US avg: 5.1
✓ Higher than most doctors nationally(-3.4 pts)
Typical range among reporting doctors in California1.72% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better90.8%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+8 pts)
Better than 71% of reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
14
Unique beneficiaries
Boutique practicePrescription Recipients
818
Patients prescribed
Prescriptions Written
5,871
Total claims
Total Medicare drug cost: $238k
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2017
University of California, Davis School of Medicine
Board certified · Feb 19, 2026
CMS-verified certification date
9 years in practice
Established
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Taxonomy: 207Q00000X
Education & Training
University of California, Davis School of Medicine (Class of 2017)
Virtual Family Medicine Care With Walter S Chang
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Walter S Chang for follow-ups, medication reviews, and ongoing care — no travel to Gardena required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Walter S Chang
NPI records show Dr. Chang as active with telehealth listed in Gardena, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (833) 574-2273.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. See Data Methodology.
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Contact Walter S Chang
Practice Location
15446 S Western Ave, Gardena, CA 90249-4319
Mailing Address
15446 S Western Ave, Gardena, CA 90249-4319
This is a provider directory. Contact the office directly to schedule appointments.
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