Dr. John K. Wong, MD
- Medicare services, 2024
- 1,127
- Medicare patients, 2024
- 223
- Part D claims, 2024
- 486
- Publications
- 5
- Hospital affiliations
- 4
- Practice address
- 1100 West Stewart Dr, Orange, CA 92868
- Practice phone
- Call (714) 633-9111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. John K. Wong is a hematologist and oncologist in Orange, California
Dr. Wong practices at Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services.
Dr. Wong's NPI, 1336436500, was assigned on July 7, 2011. Dr. Wong graduated from Saint George's University School of Medicine in 2010. Dr. Wong holds California license 122357.
- NPI
- 1336436500NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749571677
- NPI enumeration date
- July 7, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 633-9111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John K. Wong practices at Providence St. Joseph Hospital Orange in Orange, California
Dr. Wong's primary practice is Providence St. Joseph Hospital Orange, at 1100 West Stewart Dr, Orange, CA 92868 in Orange County. The practice phone is (714) 633-9111.
- Providence St. Joseph Hospital Orange1100 West Stewart Dr, Orange, CA 92868 · Orange CountyPhone(714) 633-9111
Source: Dmand AI Affiliation Data
Dr. John K. Wong is affiliated with 6 sites of care and 3 medical groups
Dr. Wong's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dr. Wong is also affiliated with UCI Health - Orange. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Wong to 2 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John K. Wong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wong practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Joseph Hospital Orange | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. John K. Wong is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Wong's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Wong is board certified in hematology by the American Board of Internal Medicine. Dr. Wong is licensed in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Clinical focus
Dmand AI lists breast cancer, chronic anemia, chronic leukemia, deep vein thrombosis (DVT), immune deficiency disease, lung cancer, lymphoma and multiple myeloma among the conditions Dr. Wong treats.
Hematologists and oncologists near Dr. Wong
Counts of hematologists and oncologists 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. John K. Wong billed Medicare for 1,127 services in 2024
CMS data shows 1,127 Medicare services from Dr. Wong across 11 procedure codes in 2024, for 223 Medicare patients. Medicare paid $70,354 for them.
Dr. Wong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8092024: 68915%
- Tests and treatments
- 2023: 692024: 193180%
- Surgery
- 2023: 4542024: 12473%
- Lab and pathology
- 2023: 5692024: 12179%
Where Dr. Wong's Medicare services took place, 2024
- In an office1,04292%
- In a facility858%
Dr. Wong compared with the California median for hematologists and oncologists, 2024
- Dr. Wong
- California median
- Medicare services
- 1,127vs 93221% above
- Medicare patients
- 223vs 225Close to median
- Part D claims
- 341vs 39413% below
Medians across 1,367 hematologists and oncologists 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.
Need commercial claims for Dr. Wong?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wong and other hematologists and oncologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John K. Wong treated 223 Medicare patients in 2024, average age 77
CMS counts 223 Medicare patients who saw Dr. Wong in 2024. The largest group is 75 to 84, with 83 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 21% are also on Medicaid. Their average risk score is 2.24, 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 66, with 55% women.
Dr. Wong's Medicare patients by age, 2024
Dr. Wong's Medicare patients by sex, 2024
- Women11250%
- Men11150%
Chronic conditions among Dr. Wong's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis44%
- Ischemic heart disease37%
- Cancer34%
- Chronic kidney disease33%
- Diabetes32%
- Atrial fibrillation25%
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 66
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John K. Wong wrote 486 Medicare Part D claims in 2024
In 2024, Dr. Wong wrote 486 Medicare Part D claims for 114 patients. 58% of them were for generic drugs. CMS names the drug for 341 of them, across 15 drugs with 11 or more claims each, at $1,465,253 in total drug cost. In 2023, CMS named 286 claims across 16 drugs.
Dr. Wong's Part D claims by kind of drug, 2024
- Generic284 claims58%
- Brand-name202 claims42%
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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2862024: 34119%
Drugs named by CMS: 15 in 2024, 16 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. John K. 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. John K. Wong has 5 publications on record
Dmand AI links 5 papers to Dr. Wong, published from 2017 to 2025. 2019 was the busiest year, with 2. Dr. Wong has published most often in Exp Hematol Oncol. Dr. Wong's most frequent co-authors are Jeffrey Yoonjae Ahn, MD, Chung-Tsen Hsueh, MD and Hamid R. Mirshahidi, MD.
Dr. Wong's papers by year, 2017 to 2025
Dr. Wong's most frequent co-authors
- Jeffrey Yoonjae Ahn, MD1 shared paper
- Chung-Tsen Hsueh, MD1 shared paper
- Hamid R. Mirshahidi, MD1 shared paper
Recent publications by Dr. Wong
See who Dr. Wong researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wong works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John K. Wong received $25,657 in industry payments from 2017 to 2025
CMS Open Payments shows 1,068 general payments to Dr. Wong from 78 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 87% of the total. Novartis Pharmaceuticals Corporation paid the most, $3,730.
General payments to Dr. Wong by program year, 2017 to 2025
General payments to Dr. Wong by kind, 2017 to 2025
- Food and beverage$22,21187%
- Device or supply loans$2,0988%
- Travel and lodging$7803%
- Education$5682%
Companies that paid Dr. Wong the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John K. Wong graduated from Saint George's University School of Medicine
Dr. Wong graduated from Saint George's University School of Medicine in 2010. Dr. Wong is a member of ASCO and ASH.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. John K. Wong accepts plans from 8 insurance carriers
Dr. Wong is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Humana and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Regence Health Plans
- CMS Medicare
- Molina
Plan types Dr. Wong accepts, by number of carriers
- Medicare7
- PPO5
- HMO3
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. John K. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. John K. 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. John K. Wong's NPI number?
Dr. John K. Wong's NPI number is 1336436500. It was assigned on July 7, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. John K. Wong?
Dr. John K. Wong is a hematologist and oncologist in Orange, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. John K. Wong practice?
Dr. Wong practices at 1100 West Stewart Dr, Orange, CA 92868. Dr. Wong's primary practice is Providence St. Joseph Hospital Orange in Orange, California, part of Providence Health & Services. Dmand AI also links Dr. Wong to 2 hospitals, 2 group practices and clinics and 2 medical groups.
What is Dr. John K. Wong's office phone number?
The practice phone on file for Dr. Wong is (714) 633-9111.
What is Dr. John K. Wong's medical license number?
Dr. Wong holds California license 122357.
Which hospitals is Dr. John K. Wong affiliated with?
Dr. Wong practices at Providence St. Joseph Hospital Orange in Orange, California. Dr. Wong is also affiliated with UCI Health - Orange. Dmand AI links Dr. Wong to 2 more hospitals.
What medical group is Dr. John K. Wong part of?
Dr. Wong is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Wong to 2 more medical groups.
Does Dr. John K. Wong accept Medicare?
Yes. CMS data shows Dr. Wong billed Medicare for 1,127 services in 2024, and Dr. Wong accepts Medicare assignment.
Does Dr. John K. Wong offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Wong as offering telehealth services.
How many Medicare patients does Dr. John K. Wong see?
CMS counts 223 Medicare patients who saw Dr. Wong in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Dr. John K. Wong board certified?
Yes. Dr. Wong is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. John K. Wong bill to Medicare?
In 2024, Dr. Wong's most billed Medicare services were office visit, established patient (99214), infusion or chemotherapy administration (96372) and surgery: heart and blood vessels (36415).
Where did Dr. John K. Wong go to medical school?
Dr. Wong graduated from Saint George's University School of Medicine in 2010.
What drugs does Dr. John K. Wong prescribe most?
In 2024 Medicare Part D data, Dr. Wong's most prescribed drugs by claims were Eliquis, Brukinsa and Revlimid.
Has Dr. John K. Wong received payments from drug or device companies?
CMS Open Payments shows $25,657 in general payments to Dr. Wong from 78 companies from 2017 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. John K. Wong been practicing?
Dr. Wong graduated from medical school in 2010, 16 years ago.
Does Dr. John K. Wong do research?
Dmand AI links 5 publications to Dr. Wong, published from 2017 to 2025.
Who does Dr. John K. Wong publish with?
Dr. Wong's most frequent co-authors are Jeffrey Yoonjae Ahn, MD (1 shared paper), Chung-Tsen Hsueh, MD (1 shared paper) and Hamid R. Mirshahidi, MD (1 shared paper).
What insurance does Dr. John K. Wong accept?
Dr. Wong is in network with 8 carriers, including Blue Cross Blue Shield of Michigan, Humana and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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