Dr. Lydia Dz-Yun Chow, MD
- Medicare services, 2024
- 2,270
- Medicare patients, 2024
- 108
- Part D claims, 2024
- 177
- Publications
- 4
- MIPS score, 2024
- 93
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (626) 256-4673
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
City of Hope Comprehensive Cancer Center - Duarte
Duarte, California
Find Dr. Chow'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. Lydia Dz-Yun Chow is a hematologist and oncologist in Duarte, California
Dr. Chow practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Chow's NPI, 1770087314, was assigned on March 20, 2018. Dr. Chow graduated from Tulane School of Medicine in 2018. Dr. Chow's California license number on file is A165133.
- NPI
- 1770087314NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052734324
- NPI enumeration date
- March 20, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (626) 256-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lydia Dz-Yun Chow practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Chow's primary practice is City of Hope Comprehensive Cancer Center - Duarte, at 1500 Duarte Rd, Duarte, CA 91010 in Los Angeles County. The practice phone is (626) 256-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(626) 256-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lydia Dz-Yun Chow is affiliated with 6 sites of care and 1 medical group
Dr. Chow's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dr. Chow is also affiliated with Huntington Hospital. The medical group on file is City of Hope. Dmand AI also links Dr. Chow to 2 more hospitals, 1 group practice or clinic and 1 other site, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lydia Dz-Yun Chow's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chow practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| City of Hope Comprehensive Cancer Center - Duarte | Available with a free account |
| +5 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lydia Dz-Yun Chow is one of 1,502 hematologists and oncologists in California
Hematology and oncology is Dr. Chow's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Chow is board certified in hematology by the American Board of Internal Medicine. Dr. Chow has a license on file in California.
Specialties and state licenses
- Hematology and oncology, CaliforniaPrimary
Hematologists and oncologists near Dr. Chow
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. Lydia Dz-Yun Chow billed Medicare for 2,270 services in 2024
CMS data shows 2,270 Medicare services from Dr. Chow across 9 procedure codes in 2024, for 108 Medicare patients. Medicare paid $60,877 for them. Every service was in an office.
Dr. Chow's Medicare services by type, 2024
- Drugs given in the office1,943
- Tests and treatments163
- Office and hospital visits96
- Other services68
Dr. Chow compared with the California median for hematologists and oncologists, 2024
- Dr. Chow
- California median
- Medicare services
- 2,270vs 9322.4 times
- Medicare patients
- 108vs 22552% below
- Part D claims
- 12vs 39497% below
Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.
Dr. Chow'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lydia Dz-Yun Chow treated 108 Medicare patients in 2024, average age 73
CMS counts 108 Medicare patients who saw Dr. Chow in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 45% are also on Medicaid. Their average risk score is 2.20, 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. Chow's median patient age at 69, with 61% women.
Dr. Chow's Medicare patients by age, 2024
Dr. Chow's Medicare patients by sex, 2024
- Women6560%
- Men4340%
Chronic conditions among Dr. Chow's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Cancer51%
- Arthritis48%
- Diabetes43%
- Chronic kidney disease36%
- Osteoporosis35%
- Ischemic heart disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chow's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lydia Dz-Yun Chow wrote 177 Medicare Part D claims in 2024
In 2024, Dr. Chow wrote 177 Medicare Part D claims for 51 patients. 73% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $36,005 in total drug cost. In 2023, CMS named 58 claims across 3 drugs.
Dr. Chow's Part D claims by kind of drug, 2024
- Generic129 claims73%
- Brand-name48 claims27%
Dr. Chow'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. Chow's Part D claims, 2024
- Opioids11%20 of 177 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: 582024: 1279%
Drugs named by CMS: 1 in 2024, 3 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. Lydia Dz-Yun Chow scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Chow for performance year 2024, reported as part of a group. Dr. Chow accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chow as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chow's MIPS scores, performance year 2024
- 93of 100Final score
- 78.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Lydia Dz-Yun Chow has 4 publications on record
Dmand AI links 4 papers to Dr. Chow, published from 2014 to 2025. Dr. Chow's most frequent co-authors are Trevor Edmund Angell, MD, Dillon Craig Cockrell, MD and Ming Charles Li, MD.
Dr. Chow's papers by year, 2014 to 2025
Dr. Chow's most frequent co-authors
- Trevor Edmund Angell, MD1 shared paper
- Dillon Craig Cockrell, MD1 shared paper
- Ming Charles Li, MD1 shared paper
Recent publications by Dr. Chow
Support Care Cancer
See who Dr. Chow researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chow 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. Lydia Dz-Yun Chow received $9,799 in industry payments from 2021 to 2025
CMS Open Payments shows 252 general payments to Dr. Chow from 40 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 84% of the total. Novartis Pharmaceuticals Corporation paid the most, $1,442.
General payments to Dr. Chow by program year, 2021 to 2025
General payments to Dr. Chow by kind, 2021 to 2025
- Food and beverage$8,23984%
- Device or supply loans$1,19612%
- Education$3644%
Companies that paid Dr. Chow the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lydia Dz-Yun Chow graduated from Tulane School of Medicine
Dr. Chow graduated from Tulane School of Medicine in 2018.
- Medical school
- Board certified in hematology
- Board certified in internal medicine
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Lydia Dz-Yun Chow accepts plans from 12 insurance carriers
Dr. Chow is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Chow accepts, by number of carriers
- PPO8
- Medicare7
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Lydia Dz-Yun Chow'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Lydia Dz-Yun Chow
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. Lydia Dz-Yun Chow's NPI number?
Dr. Lydia Dz-Yun Chow's NPI number is 1770087314. It was assigned on March 20, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Lydia Dz-Yun Chow?
Dr. Lydia Dz-Yun Chow is a hematologist and oncologist in Duarte, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Lydia Dz-Yun Chow practice?
Dr. Chow practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Chow's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Chow to 2 hospitals, 1 group practice or clinic and 1 other site.
What is Dr. Lydia Dz-Yun Chow's office phone number?
The practice phone on file for Dr. Chow is (626) 256-4673.
What is Dr. Lydia Dz-Yun Chow's medical license number?
Dr. Chow's California license number on file is A165133.
Which hospitals is Dr. Lydia Dz-Yun Chow affiliated with?
Dr. Chow is affiliated with Huntington Hospital. Dmand AI links Dr. Chow to 2 more hospitals.
What medical group is Dr. Lydia Dz-Yun Chow part of?
Dr. Chow is linked to City of Hope.
Does Dr. Lydia Dz-Yun Chow accept Medicare?
Yes. CMS data shows Dr. Chow billed Medicare for 2,270 services in 2024, and Dr. Chow accepts Medicare assignment.
Does Dr. Lydia Dz-Yun Chow offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chow as offering telehealth services.
What is Dr. Lydia Dz-Yun Chow's MIPS score?
Dr. Chow's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Lydia Dz-Yun Chow see?
CMS counts 108 Medicare patients who saw Dr. Chow in 2024, with an average age of 73.
Is Dr. Lydia Dz-Yun Chow board certified?
Yes. Dr. Chow is board certified in hematology by the American Board of Internal Medicine.
What services does Dr. Lydia Dz-Yun Chow bill to Medicare?
In 2024, Dr. Chow's most billed Medicare services were injected or infused drug (J0897), infusion or chemotherapy administration (96372) and medicare service (G2211).
Where did Dr. Lydia Dz-Yun Chow go to medical school?
Dr. Chow graduated from Tulane School of Medicine in 2018.
What drugs does Dr. Lydia Dz-Yun Chow prescribe most?
In 2024 Medicare Part D data, Dr. Chow's most prescribed drugs by claims were Imatinib Mesylate.
Has Dr. Lydia Dz-Yun Chow received payments from drug or device companies?
CMS Open Payments shows $9,799 in general payments to Dr. Chow from 40 companies from 2021 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Lydia Dz-Yun Chow been practicing?
Dr. Chow graduated from medical school in 2018, 8 years ago.
Does Dr. Lydia Dz-Yun Chow do research?
Dmand AI links 4 publications to Dr. Chow, published from 2014 to 2025.
Who does Dr. Lydia Dz-Yun Chow publish with?
Dr. Chow's most frequent co-authors are Trevor Edmund Angell, MD (1 shared paper), Dillon Craig Cockrell, MD (1 shared paper) and Ming Charles Li, MD (1 shared paper).
What insurance does Dr. Lydia Dz-Yun Chow accept?
Dr. Chow is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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