Dr. Michelle Liu, MD
- Medicare services, 2019
- 1,486
- Part D claims, 2020
- 267
- Publications
- 3
- Industry payments
- $330
- Affiliated sites
- 1
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Walnut Creek Medical Center
Walnut Creek, California
Find Dr. Liu'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. Michelle Liu is an ophthalmologist in Walnut Creek, California
Dr. Liu practices at Walnut Creek Medical Center in Walnut Creek, California.
Dr. Liu's NPI, 1700802451, was assigned on July 14, 2006. Dr. Liu graduated from Northeast Ohio Medical University in 1996. Dr. Liu holds California license A73072.
- NPI
- 1700802451NPI Registry (opens in a new tab)
- NPI enumeration date
- July 14, 2006
- NPI status
- Active
- Practice phone
- (925) 939-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michelle Liu practices at Walnut Creek Medical Center in Walnut Creek, California
Dr. Liu's primary practice is Walnut Creek Medical Center, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.
- Walnut Creek Medical Center1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michelle Liu is affiliated with 2 sites of care and 1 medical group
Dr. Liu's primary practice is Walnut Creek Medical Center in Walnut Creek, California. The medical group on file is John Muir Health. Dmand AI also links Dr. Liu to 1 more group practice or clinic, 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. Michelle Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Walnut Creek Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michelle Liu is one of 2,621 ophthalmologists in California
Ophthalmology is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Liu is board certified in ophthalmology by the American Board of Ophthalmology. Dr. Liu is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Ophthalmologists near Dr. Liu
Counts of ophthalmologists 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. Michelle Liu billed Medicare for 1,486 services in 2019
CMS data shows 1,486 Medicare services from Dr. Liu across 9 procedure codes in 2019. Medicare paid $124,900 for them.
Dr. Liu's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Tests and treatments
- 2018: 1,5142019: 1,3729%
- Surgery
- 2018: 1082019: 7531%
- Office and hospital visits
- 2018: 762019: 3949%
- Imaging
- 2018: 132019: 0100%
Where Dr. Liu's Medicare services took place, 2019
- In an office1,41195%
- In a facility755%
Dr. Liu compared with the California median for ophthalmologists, 2019
- Dr. Liu
- California median
- Medicare services
- 1,486vs 1,07938% above
- Part D claims
- 267vs 61857% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Dr. Liu's most billed Medicare procedure codes, 2019
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. Liu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liu and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michelle Liu's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 76, with 53% women.
Dr. Liu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women53%
- Men41%
Source: Dmand AI Patient Panel Data
Dr. Michelle Liu wrote 267 Medicare Part D claims in 2020
In 2020, Dr. Liu wrote 267 Medicare Part D claims. They cover 7 drugs, with $54,139 in total drug cost. In 2019, CMS named 972 claims across 19 drugs.
Dr. Liu's most prescribed drugs by claims, 2020
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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 9722020: 26773%
Drugs named by CMS: 7 in 2020, 19 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Michelle Liu has 3 publications on record
Dmand AI links 3 papers to Dr. Liu in 2013. 2013 was the busiest year, with 2.
Recent publications by Dr. Liu
See who Dr. Liu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Liu 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. Michelle Liu received $330 in industry payments from 2016 to 2025
CMS Open Payments shows 10 general payments to Dr. Liu from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. Abbott Laboratories paid the most, $145.
General payments to Dr. Liu by program year, 2016 to 2025
General payments to Dr. Liu by kind, 2016 to 2025
- Food and beverage$29389%
- Education$3811%
Companies that paid Dr. Liu 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. Michelle Liu graduated from Northeast Ohio Medical University
Dr. Liu graduated from Northeast Ohio Medical University in 1996.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Michelle Liu accepts plans from 3 insurance carriers
Dr. Liu is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Liu accepts, by number of carriers
- Medicare3
- PPO3
- EPO1
- HMO1
- Medicaid1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michelle Liu'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Michelle Liu
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. Michelle Liu's NPI number?
Dr. Michelle Liu's NPI number is 1700802451. It was assigned on July 14, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michelle Liu?
Dr. Michelle Liu is an ophthalmologist in Walnut Creek, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Michelle Liu practice?
Dr. Liu practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Liu's primary practice is Walnut Creek Medical Center in Walnut Creek, California. Dmand AI also links Dr. Liu to 1 group practice or clinic.
What is Dr. Michelle Liu's office phone number?
The practice phone on file for Dr. Liu is (925) 939-3000.
What is Dr. Michelle Liu's medical license number?
Dr. Liu holds California license A73072.
What medical group is Dr. Michelle Liu part of?
Dr. Liu is linked to John Muir Health.
Does Dr. Michelle Liu accept Medicare?
Yes. CMS data shows Dr. Liu billed Medicare for 1,486 services in 2019.
Is Dr. Michelle Liu board certified?
Yes. Dr. Liu is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Dr. Michelle Liu bill to Medicare?
In 2019, Dr. Liu's most billed Medicare services were eye exam or test (92012), eye exam or test (92014) and eye exam or test (92020).
Where did Dr. Michelle Liu go to medical school?
Dr. Liu graduated from Northeast Ohio Medical University in 1996.
Show 5 more questionsShow fewer questions
What drugs does Dr. Michelle Liu prescribe most?
In 2020 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Latanoprost, Lumigan and Dorzolamide-Timolol.
Has Dr. Michelle Liu received payments from drug or device companies?
CMS Open Payments shows $330 in general payments to Dr. Liu from 6 companies from 2016 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Michelle Liu been practicing?
Dr. Liu graduated from medical school in 1996, 30 years ago.
Does Dr. Michelle Liu do research?
Dmand AI links 3 publications to Dr. Liu.
What insurance does Dr. Michelle Liu accept?
Dr. Liu is in network with 3 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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