Dr. Christopher Che Dar Wong, DO
- Medicare services, 2024
- 2,440
- Medicare patients, 2024
- 548
- Part D claims, 2024
- 1,446
- Hospital affiliations
- 5
- Industry payments
- $3,452
- Practice address
- 1335 W Cypress Ave, San Dimas, CA 91773
- Practice phone
- Call (909) 542-2770
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
California Kidney Specialists
San Dimas, California
Find Dr. Wong's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Christopher Che Dar Wong is a nephrologist in San Dimas, California
Dr. Wong practices at California Kidney Specialists in San Dimas, California.
Dr. Wong's NPI, 1881985612, was assigned on April 27, 2011. Dr. Wong graduated from Keck School of Medicine of USC in 2011. Dr. Wong holds California license 20A12470.
- NPI
- 1881985612NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173819547
- NPI enumeration date
- April 27, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (909) 542-2770
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Che Dar Wong practices at California Kidney Specialists in San Dimas, California
Dr. Wong's primary practice is California Kidney Specialists, at 1335 W Cypress Ave, San Dimas, CA 91773 in Los Angeles County. The practice phone is (909) 542-2770.
- California Kidney Specialists1335 W Cypress Ave, San Dimas, CA 91773 · Los Angeles CountyPhone(909) 542-2770
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher Che Dar Wong is affiliated with 8 sites of care and 2 medical groups
Dr. Wong's primary practice is California Kidney Specialists in San Dimas, California. Dr. Wong is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is California Kidney Specialists. Dmand AI also links Dr. Wong to 4 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Christopher Che Dar Wong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wong practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| California Kidney Specialists | Available with a free account |
| +7 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher Che Dar Wong is one of 1,401 nephrologists in California
Nephrology is Dr. Wong's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Wong is board certified in internal medicine by the American Board of Internal Medicine. Dr. Wong is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure, chronic kidney disease and kidney failure among the conditions Dr. Wong treats.
Nephrologists near Dr. Wong
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christopher Che Dar Wong billed Medicare for 2,440 services in 2024
CMS data shows 2,440 Medicare services from Dr. Wong across 10 procedure codes in 2024, for 548 Medicare patients. Medicare paid $178,271 for them.
Dr. Wong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1102024: 2,44016%
Where Dr. Wong's Medicare services took place, 2024
- In an office36915%
- In a facility2,07185%
Dr. Wong compared with the California median for nephrologists, 2024
- Dr. Wong
- California median
- Medicare services
- 2,440vs 1,0842.3 times
- Medicare patients
- 548vs 30779% above
- Part D claims
- 1,183vs 95524% above
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Wong's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wong and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher Che Dar Wong treated 548 Medicare patients in 2024, average age 72
CMS counts 548 Medicare patients who saw Dr. Wong in 2024. The largest group is 65 to 74, with 205 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 64% are also on Medicaid. Their average risk score is 4.57, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Wong's median patient age at 68, with 46% women.
Dr. Wong's Medicare patients by age, 2024
Dr. Wong's Medicare patients by sex, 2024
- Women26649%
- Men28251%
Chronic conditions among Dr. Wong's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure62%
- Ischemic heart disease52%
- Arthritis45%
- Atrial fibrillation39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Che Dar Wong wrote 1,446 Medicare Part D claims in 2024
In 2024, Dr. Wong wrote 1,446 Medicare Part D claims for 258 patients. 53% of them were for generic drugs. CMS names the drug for 1,183 of them, across 25 drugs with 11 or more claims each, at $486,612 in total drug cost. In 2023, CMS named 724 claims across 20 drugs.
Dr. Wong's Part D claims by kind of drug, 2024
- Generic762 claims53%
- Brand-name684 claims47%
Dr. Wong's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Wong's Part D claims, 2024
- Opioids1%12 of 1,446 claims
- Antibiotics1%17 of 1,446 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7242024: 1,18363%
Drugs named by CMS: 25 in 2024, 20 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Christopher Che Dar Wong offers telehealth to Medicare patients
Dr. Wong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wong as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Christopher Che Dar Wong received $3,452 in industry payments from 2016 to 2025
CMS Open Payments shows 131 general payments to Dr. Wong from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 91% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,007.
General payments to Dr. Wong by program year, 2016 to 2025
General payments to Dr. Wong by kind, 2016 to 2025
- Food and beverage$3,15291%
- Education$3009%
Companies that paid Dr. Wong the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher Che Dar Wong graduated from Keck School of Medicine of USC
Dr. Wong graduated from Keck School of Medicine of USC in 2011.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
- Board certified in 2012 - 2027
Source: Dmand AI Professional Profile Data
Dr. Christopher Che Dar Wong accepts plans from 13 insurance carriers
Dr. Wong is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- LA Care
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- +5 more carriersWith a free account
Plan types Dr. Wong accepts, by number of carriers
- Medicare10
- HMO7
- PPO7
- POS5
- EPO2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Christopher Che Dar Wong's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Christopher Che Dar Wong
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Christopher Che Dar Wong's NPI number?
Dr. Christopher Che Dar Wong's NPI number is 1881985612. It was assigned on April 27, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Che Dar Wong?
Dr. Christopher Che Dar Wong is a nephrologist in San Dimas, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Christopher Che Dar Wong practice?
Dr. Wong practices at 1335 W Cypress Ave, San Dimas, CA 91773. Dr. Wong's primary practice is California Kidney Specialists in San Dimas, California. Dmand AI also links Dr. Wong to 4 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Christopher Che Dar Wong's office phone number?
The practice phone on file for Dr. Wong is (909) 542-2770.
What is Dr. Christopher Che Dar Wong's medical license number?
Dr. Wong holds California license 20A12470.
Which hospitals is Dr. Christopher Che Dar Wong affiliated with?
Dr. Wong is affiliated with Pomona Valley Hospital Medical Center. Dmand AI links Dr. Wong to 4 more hospitals.
What medical group is Dr. Christopher Che Dar Wong part of?
Dr. Wong is linked to California Kidney Specialists. Dmand AI links Dr. Wong to 1 more medical group.
Does Dr. Christopher Che Dar Wong accept Medicare?
Yes. CMS data shows Dr. Wong billed Medicare for 2,440 services in 2024, and Dr. Wong accepts Medicare assignment.
Does Dr. Christopher Che Dar Wong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wong as offering telehealth services.
How many Medicare patients does Dr. Christopher Che Dar Wong see?
CMS counts 548 Medicare patients who saw Dr. Wong in 2024, with an average age of 72.
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Is Dr. Christopher Che Dar Wong board certified?
Yes. Dr. Wong is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Christopher Che Dar Wong bill to Medicare?
In 2024, Dr. Wong's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, established patient (99214).
Where did Dr. Christopher Che Dar Wong go to medical school?
Dr. Wong graduated from Keck School of Medicine of USC in 2011.
What drugs does Dr. Christopher Che Dar Wong prescribe most?
In 2024 Medicare Part D data, Dr. Wong's most prescribed drugs by claims were Farxiga, Kerendia and Furosemide.
Has Dr. Christopher Che Dar Wong received payments from drug or device companies?
CMS Open Payments shows $3,452 in general payments to Dr. Wong from 20 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Christopher Che Dar Wong been practicing?
Dr. Wong graduated from medical school in 2011, 15 years ago.
What insurance does Dr. Christopher Che Dar Wong accept?
Dr. Wong is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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