JAMA Netw Open
Biomarkers, TumorCirculating Tumor DNAColorectal Neoplasms
Dr. Lily Lai, MD
NPI1114029188PAC ID5799684023
- Medicare services, 2024
- 194
- Medicare patients, 2024
- 130
- Part D claims, 2024
- 33
- Publications
- 105
- Clinical trials
- 2
- Practice address
- 1500 Duarte Rd, Duarte, CA 91010
- Practice phone
- Call (800) 826-4673
- 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. Lai'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. Lily Lai is a general surgeon in Duarte, California
Dr. Lai practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California.
Dr. Lai's NPI, 1114029188, was assigned on September 1, 2006. Dr. Lai graduated from UC San Diego School of Medicine in 1993. Dr. Lai holds California license G80261.
NPI and contact details
- NPI
- 1114029188NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799684023
- NPI enumeration date
- September 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (800) 826-4673
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lily Lai practices at City of Hope Comprehensive Cancer Center - Duarte in Duarte, California
Dr. Lai'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 (800) 826-4673.
- City of Hope Comprehensive Cancer Center - Duarte1500 Duarte Rd, Duarte, CA 91010 · Los Angeles CountyPhone(800) 826-4673
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lily Lai is affiliated with 3 sites of care and 1 medical group
Dr. Lai's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. The medical group on file is City of Hope. Dmand AI also links Dr. Lai to 1 more home health agency and 1 other site, each named with a free account.
City of Hope Comprehensive Cancer Center - DuartePrimary
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. Lily Lai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lai practices, 2 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 |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lily Lai is one of 2,926 general surgeons in California
Surgery is Dr. Lai's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Lai is board certified in surgery by the American Board of Surgery. Dr. Lai is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists colonoscopy, colon removal, gallbladder removal, gastrointestinal bleeding, groin hernia surgery, hemorrhoids and intestinal or bowel obstruction among the conditions Dr. Lai treats.
General surgeons near Dr. Lai
Counts of general surgeons 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. Lily Lai billed Medicare for 194 services in 2024
CMS data shows 194 Medicare services from Dr. Lai across 3 procedure codes in 2024, for 130 Medicare patients. Medicare paid $18,825 for them.
Medicare services, 2024194
Medicare patients130
Paid by Medicare$18,825
Procedure codes3
Dr. Lai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1712024: 1795%
- Surgery
- 2023: 242024: 1538%
Where Dr. Lai's Medicare services took place, 2024
- In an office168%
- In a facility17892%
Dr. Lai compared with the California median for general surgeons, 2024
- Dr. Lai
- California median
- Medicare services
- 194vs 16617% above
- Medicare patients
- 130vs 1217% above
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Lai'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. Lai?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lai and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lily Lai treated 130 Medicare patients in 2024, average age 74
CMS counts 130 Medicare patients who saw Dr. Lai in 2024. The largest group is 65 to 74, with 66 patients. 75% of them have cancer, and 72% have high blood pressure. 32% are also on Medicaid. Their average risk score is 2.12, 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. Lai's median patient age at 68, with 61% women.
Medicare patients, 2024130
Average age74
Average risk score2.12
Also on Medicaid32%
Dr. Lai's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lai's Medicare patients by sex, 2024
- Women8465%
- Men4635%
Chronic conditions among Dr. Lai's Medicare patients, 2024
- Cancer75%
- High blood pressure72%
- High cholesterol72%
- Diabetes37%
- Arthritis35%
- Ischemic heart disease31%
- Mood disorders25%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lai'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
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lily Lai wrote 33 Medicare Part D claims in 2024
In 2024, Dr. Lai wrote 33 Medicare Part D claims for 25 patients. 85% of them were for generic drugs.
Part D claims, 202433
Part D patients25
Dr. Lai's Part D claims by kind of drug, 2024
- Generic28 claims85%
- Brand-name and other5 claims15%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Lily Lai 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. Lai for performance year 2024, reported as part of a group. Dr. Lai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lai as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Lai'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.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lily Lai has 105 publications on record
Dmand AI links 105 papers to Dr. Lai, published from 2002 to 2024. 2020 was the busiest year, with 12. The most frequent topics are Breast Neoplasms, Colorectal Neoplasms and Biomarkers, Tumor. Dr. Lai has published most often in Am Surg. Dr. Lai's most frequent co-authors are Kurt Allan Melstrom, MD, Yuman Fong, MD and Laleh Golkar Melstrom, MD.
Papers105
Years published2002 to 2024
Dr. Lai's papers by year, 2015 to 2024
Topics Dr. Lai writes about most
- Breast Neoplasms
- Colorectal Neoplasms
- Biomarkers, Tumor
- Colectomy
- Colonic Neoplasms
- Feasibility Studies
- Hispanic or Latino
- Postoperative Complications
Dr. Lai's most frequent co-authors
- Kurt Allan Melstrom, MD12 shared papers
- Yuman Fong, MD11 shared papers
- Laleh Golkar Melstrom, MD8 shared papers
Recent publications by Dr. Lai
J Gastrointest Surg
Gastrointestinal NeoplasmsMonitoring, PhysiologicPatient Reported Outcome Measures
AdenocarcinomaAppendiceal NeoplasmsColectomy
Health Services AccessibilityLenses, IntraocularLens Implantation, Intraocular
BMJ Case Rep
LamotrigineLevetiracetamNerve Fibers
See who Dr. Lai researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lai works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lily Lai has worked on 2 clinical trials
Dmand AI links Dr. Lai to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Breast Neoplasms, Carcinoma, Intraductal, Noninfiltrating and Breast Carcinoma In Situ.
Conditions in Dr. Lai's trials
- Breast Neoplasms
- Carcinoma, Intraductal, Noninfiltrating
- Breast Carcinoma In Situ
- Breast Diseases
Investigators on the most trials with Dr. Lai
- Ari D. Baron, MD2 shared trials
- Harry D. Bear, MD2 shared trials
- Peter William Blumencranz, MD2 shared trials
Recent clinical trials with Dr. Lai
Standard or Comprehensive Radiation Therapy in Treating Patients With Early-Stage Breast Cancer Previously Treated With Chemotherapy and Surgery (opens in a new tab)
Active, not recruiting
Breast NeoplasmsBreast Diseaseschestwall XRTregional nodal XRTWBI
Radiation Therapy With or Without Trastuzumab in Treating Women With Ductal Carcinoma In Situ Who Have Undergone Lumpectomy (opens in a new tab)
CompletedPhase 3
Carcinoma, Intraductal, NoninfiltratingBreast Carcinoma In SituTrastuzumabWhole Breast Irradiation
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Lily Lai received $2,978 in industry payments from 2016 to 2024
CMS Open Payments shows 26 general payments to Dr. Lai from 6 drug and device companies from 2016 to 2024. Travel and lodging make up the largest share, 75% of the total. Intuitive Surgical, Inc. paid the most, $2,131.
General payments to Dr. Lai by program year, 2016 to 2024
General payments to Dr. Lai by kind, 2016 to 2024
$3Kin total
- Travel and lodging$2,22075%
- Food and beverage$75725%
Companies that paid Dr. Lai the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lily Lai has 1 award and honors on record
Dmand AI lists 1 award for Dr. Lai.
Awards and honors for Dr. Lai
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Lily Lai graduated from UC San Diego School of Medicine
Dr. Lai graduated from UC San Diego School of Medicine in 1993. Dr. Lai is a member of ACS and ASCO.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Lily Lai accepts plans from 14 insurance carriers
Dr. Lai is in network with 14 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- LA Care
- Molina
- +6 more carriersWith a free account
Plan types Dr. Lai accepts, by number of carriers
- HMO8
- PPO8
- Medicare7
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lily Lai'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 (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)Doctors and Clinicians Utilization Data (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Lily Lai
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. Lily Lai's NPI number?
Dr. Lily Lai's NPI number is 1114029188. It was assigned on September 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lily Lai?
Dr. Lily Lai is a general surgeon in Duarte, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Lily Lai practice?
Dr. Lai practices at 1500 Duarte Rd, Duarte, CA 91010. Dr. Lai's primary practice is City of Hope Comprehensive Cancer Center - Duarte in Duarte, California. Dmand AI also links Dr. Lai to 1 home health agency and 1 other site.
What is Dr. Lily Lai's office phone number?
The practice phone on file for Dr. Lai is (800) 826-4673.
What is Dr. Lily Lai's medical license number?
Dr. Lai holds California license G80261.
What medical group is Dr. Lily Lai part of?
Dr. Lai is linked to City of Hope.
Does Dr. Lily Lai accept Medicare?
Yes. CMS data shows Dr. Lai billed Medicare for 194 services in 2024, and Dr. Lai accepts Medicare assignment.
Does Dr. Lily Lai offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lai as offering telehealth services.
What is Dr. Lily Lai's MIPS score?
Dr. Lai's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lily Lai see?
CMS counts 130 Medicare patients who saw Dr. Lai in 2024, with an average age of 74.
Show 8 more questionsShow fewer questions
Is Dr. Lily Lai board certified?
Yes. Dr. Lai is board certified in surgery by the American Board of Surgery.
What services does Dr. Lily Lai bill to Medicare?
In 2024, Dr. Lai's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99205) and surgery: heart and blood vessels (36590).
Where did Dr. Lily Lai go to medical school?
Dr. Lai graduated from UC San Diego School of Medicine in 1993.
Has Dr. Lily Lai received payments from drug or device companies?
CMS Open Payments shows $2,978 in general payments to Dr. Lai from 6 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Lily Lai been practicing?
Dr. Lai graduated from medical school in 1993, 33 years ago.
Does Dr. Lily Lai do research?
Dmand AI links 105 publications to Dr. Lai, published from 2002 to 2024. Dr. Lai has worked on 2 clinical trials.
Who does Dr. Lily Lai publish with?
Dr. Lai's most frequent co-authors are Kurt Allan Melstrom, MD (12 shared papers), Yuman Fong, MD (11 shared papers) and Laleh Golkar Melstrom, MD (8 shared papers).
What insurance does Dr. Lily Lai accept?
Dr. Lai is in network with 14 carriers, including Aetna, Elevance and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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