Chiwai E Chan, D.O.
Patients across CA can see Chiwai E Chan, D.O. in person in Fountain Valley or via virtual visit — no travel required. He graduated from College of Osteo Med of the Pacific at Pomona in 2000 and has 26+ years of clinical experience. He regularly sees Medicare patients with hypertension, high cholesterol, and arthritis (per CMS claims data).
At a glance
- Uses generic medications more than 87% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 1965dNPPES updated 2020-12-18 · verify on CMS
Contact & Location
Practice Location
11160 Warner Ave 417, Fountain Valley, CA 92708-4008
How Does This Doctor Compare?
Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.
Opioid Rx
↓ Lower = better61.52%
California avg: 5.2 · US avg: 5.1
⚠ Lower than most doctors nationally(+56.4 pts)
61.52% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.
Generic Rx
↑ Higher = better94.8%
California avg: 83.3 · US avg: 82.8
✓ Higher than most doctors nationally(+12 pts)
Better than 87% of reporting doctors in CaliforniaHow often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
602
Unique beneficiaries
High volumePrescription Recipients
338
Patients prescribed
Prescriptions Written
1,011
Total claims
Total Medicare drug cost: $40k
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.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Hypertension, High Cholesterol, and Arthritis.
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↑ More patients than average (+5%) — a focus area for this doctor
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+26%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↑ More patients than average (+12%) — a focus area for this doctor
Conditions affecting emotional state, including depression and bipolar disorder
A mood disorder causing persistent sadness and loss of interest in activities
US avg: 31.8%Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↑ More patients than average (+1%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-4%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$112 received from industry
6 transactions reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Chiwai E Chan's NPI.
Patient Reviews
No patient reviews yet. If you've seen Chiwai E Chan, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 2000
College of Osteo Med of the Pacific at Pomona
Board certified · Dec 17, 2020
CMS-verified certification date
26 years in practice
Experienced
Interventional Pain Medicine is the discipline of medicine devoted to the diagnosis and treatment of pain and related disorders principally with the application of interventional techniques in managing subacute, chronic, persistent, and intractable pain, independently or in conjunction with other modalities of treatment.
Taxonomy: 208VP0014X
Education & Training
College of Osteo Med of the Pacific at Pomona (Class of 2000)
Mailing address
11160 Warner Ave 417, Fountain Valley, CA 92708-8703
Differs from practice location
Primary hospital affiliation: Psychiatric
CMS Certification Number: 194098
View hospital on Medicare Care CompareVirtual Interventional Pain Medicine Care With Chiwai E Chan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Chiwai E Chan for blood pressure monitoring, cholesterol management, arthritis follow-ups — no travel to Fountain Valley 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 Chiwai E Chan
Dr. Chan is listed as active in the NPI registry with telehealth listed in Fountain Valley, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (714) 424-9300.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Chiwai E Chan
Practice Location
11160 Warner Ave 417, Fountain Valley, CA 92708-4008
Mailing Address
11160 Warner Ave 417, Fountain Valley, CA 92708-8703
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Interventional Pain Medicine in California
See allWaldtraut Jedamski, M.D.
Temecula, CA
Narinder Singh Grewal, MD
Valencia, CA
Jeff Nmi Jones, MD
Modesto, CA