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Bacterial LoadChlamydia trachomatisConjunctiva
Dr. Louisa Lu, MD
NPI1285261289PAC ID8628513371
- Medicare services, 2024
- 554
- Medicare patients, 2024
- 239
- Part D claims, 2024
- 28
- Publications
- 2
- Hospital affiliations
- 2
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lu'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. Louisa Lu is an ophthalmologist in San Mateo, California
Dr. Lu practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Dr. Lu's NPI, 1285261289, was assigned on March 27, 2020. Dr. Lu graduated from Yale School of Medicine in 2020. Dr. Lu holds California license A194833.
NPI and contact details
- NPI
- 1285261289NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628513371
- NPI enumeration date
- March 27, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louisa Lu practices at San Mateo Medical Center in San Mateo, California
Dr. Lu's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Dr. Louisa Lu is affiliated with 4 sites of care and 2 medical groups
Dr. Lu's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dr. Lu is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is San Mateo Medical Center. Dmand AI also links Dr. Lu to 1 more group practice or clinic, 1 skilled nursing facility and 1 medical group, each named with a free account.
California Pacific Medical Center Van Ness CampusSan Mateo Medical Center1 group practice or clinicName with a free account1 skilled nursing facilityName with a free account1 medical groupName with a free account
See all 6 affiliations for Dr. LuSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Louisa Lu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lu practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Louisa Lu is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Lu's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Lu is board certified in internal medicine by the American Board of Internal Medicine. Dr. Lu is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Ophthalmologists near Dr. Lu
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
2,621ophthalmologists in California15ophthalmologists in San Mateo2ophthalmologists at San Mateo Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Louisa Lu billed Medicare for 554 services in 2024
CMS data shows 554 Medicare services from Dr. Lu across 11 procedure codes in 2024, for 239 Medicare patients. Medicare paid $47,491 for them. Every service was in an office.
Medicare services, 2024554
Medicare patients239
Paid by Medicare$47,491
Procedure codes11
Dr. Lu's Medicare services by type, 2024
- Tests and treatments298
- Office and hospital visits207
- Other services28
- Imaging21
Dr. Lu compared with the California median for ophthalmologists, 2024
- Dr. Lu
- California median
- Medicare services
- 554vs 1,07949% below
- Medicare patients
- 239vs 42143% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Lu'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. Lu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lu and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louisa Lu treated 239 Medicare patients in 2024, average age 77
CMS counts 239 Medicare patients who saw Dr. Lu in 2024. The largest group is 75 to 84, with 99 patients. 71% of them have high cholesterol, and 58% have high blood pressure. 7% are also on Medicaid. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lu's median patient age at 66, with 51% women.
Medicare patients, 2024239
Average age77
Average risk score0.92
Also on Medicaid7%
Dr. Lu's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lu's Medicare patients by sex, 2024
- Women15063%
- Men8937%
Chronic conditions among Dr. Lu's Medicare patients, 2024
- High cholesterol71%
- High blood pressure58%
- Arthritis46%
- Osteoporosis21%
- Diabetes17%
- Mood disorders17%
- Atrial fibrillation16%
- Ischemic heart disease16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lu'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
- Women51%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louisa Lu wrote 28 Medicare Part D claims in 2024
In 2024, Dr. Lu wrote 28 Medicare Part D claims for 21 patients. 43% of them were for generic drugs.
Part D claims, 202428
Part D patients21
Dr. Lu's Part D claims by kind of drug, 2024
- Generic12 claims43%
- Brand-name16 claims57%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Louisa Lu ranks in the 72nd percentile for cataract surgery in Medicare
Dr. Lu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 86 procedures of cataract surgery by Dr. Lu, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Lu ranks in Medicare procedure volume
- Cataract surgery
- 72nd percentile86 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Louisa Lu has 2 publications on record
Dmand AI links 2 papers to Dr. Lu in 2024. 2024 was the busiest year, with 2. Dr. Lu's most frequent co-authors are Thomas M. Lietman, MD, Nisha Acharya, MD and Jeremy David Keenan, MD.
Papers2
Dr. Lu's most frequent co-authors
- Thomas M. Lietman, MD2 shared papers
- Nisha Acharya, MD1 shared paper
- Jeremy David Keenan, MD1 shared paper
Recent publications by Dr. Lu
J Ophthalmic Inflamm Infect
See who Dr. Lu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lu works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Louisa Lu received $2,251 in industry payments from 2024 to 2025
CMS Open Payments shows 30 general payments to Dr. Lu from 14 drug and device companies from 2024 to 2025. Travel and lodging make up the largest share, 54% of the total. Glaukos Corporation paid the most, $1,504.
General payments to Dr. Lu by program year, 2024 to 2025
General payments to Dr. Lu by kind, 2024 to 2025
$2.3Kin total
- Travel and lodging$1,21054%
- Food and beverage$1,04146%
Companies that paid Dr. Lu the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Louisa Lu graduated from Yale School of Medicine
Dr. Lu graduated from Yale School of Medicine in 2020.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Louisa Lu accepts plans from 13 insurance carriers
Dr. Lu is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Lu accepts, by number of carriers
- PPO8
- Medicare7
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Louisa Lu'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 (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)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 |
| 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. Louisa Lu
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. Louisa Lu's NPI number?
Dr. Louisa Lu's NPI number is 1285261289. It was assigned on March 27, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Louisa Lu?
Dr. Louisa Lu is an ophthalmologist in San Mateo, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Louisa Lu practice?
Dr. Lu practices at 222 W 39th Ave, San Mateo, CA 94403. Dr. Lu's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Dr. Lu to 1 group practice or clinic, 1 skilled nursing facility and 1 medical group.
What is Dr. Louisa Lu's office phone number?
The practice phone on file for Dr. Lu is (650) 573-2222.
What is Dr. Louisa Lu's medical license number?
Dr. Lu holds California license A194833.
Which hospitals is Dr. Louisa Lu affiliated with?
Dr. Lu practices at San Mateo Medical Center in San Mateo, California. Dr. Lu is also affiliated with California Pacific Medical Center Van Ness Campus.
What medical group is Dr. Louisa Lu part of?
Dr. Lu is linked to San Mateo Medical Center. Dmand AI links Dr. Lu to 1 more medical group.
Does Dr. Louisa Lu accept Medicare?
Yes. CMS data shows Dr. Lu billed Medicare for 554 services in 2024, and Dr. Lu accepts Medicare assignment.
How many Medicare patients does Dr. Louisa Lu see?
CMS counts 239 Medicare patients who saw Dr. Lu in 2024, with an average age of 77.
Is Dr. Louisa Lu board certified?
Yes. Dr. Lu is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Louisa Lu bill to Medicare?
In 2024, Dr. Lu's most billed Medicare services were eye exam or test (92134), office visit, new patient (99204) and office visit, established patient (99214).
Where did Dr. Louisa Lu go to medical school?
Dr. Lu graduated from Yale School of Medicine in 2020.
Has Dr. Louisa Lu received payments from drug or device companies?
CMS Open Payments shows $2,251 in general payments to Dr. Lu from 14 companies from 2024 to 2025. The largest total came from Glaukos Corporation.
How long has Dr. Louisa Lu been practicing?
Dr. Lu graduated from medical school in 2020, 6 years ago.
Does Dr. Louisa Lu do research?
Dmand AI links 2 publications to Dr. Lu.
Who does Dr. Louisa Lu publish with?
Dr. Lu's most frequent co-authors are Thomas M. Lietman, MD (2 shared papers), Nisha Acharya, MD (1 shared paper) and Jeremy David Keenan, MD (1 shared paper).
What insurance does Dr. Louisa Lu accept?
Dr. Lu is in network with 13 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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