Dr. Wendy Louise Liu, MD
- Part D claims, 2024
- 40
- Industry payments
- $357
- Affiliated sites
- 1
- Medical groups
- 2
- Insurance carriers
- 8
- Practice address
- 3100 Oak Rd, Walnut Creek, CA 94597
- Practice phone
- Call (925) 944-9711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comprehensive Psychiatric Services, a Medical Group
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. Wendy Louise Liu is a psychiatrist in Walnut Creek, California
Dr. Liu practices at Comprehensive Psychiatric Services, a Medical Group in Walnut Creek, California.
Dr. Liu's NPI, 1922504539, was assigned on April 3, 2018. Dr. Liu graduated from Tulane School of Medicine in 2018. Dr. Liu's California license number on file is A163933.
- NPI
- 1922504539NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638553035
- NPI enumeration date
- April 3, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 944-9711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- 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. Wendy Louise Liu practices at Comprehensive Psychiatric Services, a Medical Group in Walnut Creek, California
Dr. Liu's primary practice is Comprehensive Psychiatric Services, a Medical Group, at 3100 Oak Rd, Walnut Creek, CA 94597 in Contra Costa County. The practice phone is (925) 944-9711.
- Comprehensive Psychiatric Services, a Medical Group3100 Oak Rd, Walnut Creek, CA 94597 · Contra Costa CountyPhone(925) 944-9711
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Wendy Louise Liu is affiliated with 2 sites of care and 2 medical groups
Dr. Liu's primary practice is Comprehensive Psychiatric Services, a Medical Group in Walnut Creek, California. The medical group on file is Comprehensive Psychiatric Services. Dmand AI also links Dr. Liu to 1 more group practice or clinic and 1 medical group, each 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. Wendy Louise 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 |
|---|---|
| Comprehensive Psychiatric Services, a Medical Group | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wendy Louise Liu is one of 6,803 psychiatrists in California
Psychiatry is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Liu is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Liu's licenses on file in 2 states: California and Washington.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Washington license
Clinical focus
Dmand AI lists ADHD and depression among the conditions Dr. Liu treats.
Psychiatrists near Dr. Liu
Counts of psychiatrists 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. Wendy Louise Liu's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 36, with 77% 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 36
Patient panel by sex, all payers
- Women77%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. Wendy Louise Liu wrote 40 Medicare Part D claims in 2024
In 2024, Dr. Liu wrote 40 Medicare Part D claims. 83% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $110 in total drug cost. In 2022, CMS named 26 claims across 2 drugs.
Dr. Liu's Part D claims by kind of drug, 2024
- Generic33 claims83%
- Brand-name and other7 claims18%
Dr. Liu'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, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 262024: 1158%
Drugs named by CMS: 1 in 2024, 2 in 2022.
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
How Dr. Wendy Louise Liu takes part in Medicare
Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Wendy Louise Liu received $357 in industry payments in 2023
CMS Open Payments shows 16 general payments to Dr. Liu from 7 drug and device companies in 2023. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $109.
Companies that paid Dr. Liu the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Wendy Louise Liu graduated from Tulane School of Medicine
Dr. Liu graduated from Tulane School of Medicine in 2018.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Wendy Louise Liu accepts plans from 8 insurance carriers
Dr. Liu is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- Kaiser Permanente
- United Healthcare
Plan types Dr. Liu accepts, by number of carriers
- Medicare7
- PPO6
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Wendy Louise 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 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)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) |
| 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. Wendy Louise 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. Wendy Louise Liu's NPI number?
Dr. Wendy Louise Liu's NPI number is 1922504539. It was assigned on April 3, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Wendy Louise Liu?
Dr. Wendy Louise Liu is a psychiatrist in Walnut Creek, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Wendy Louise Liu practice?
Dr. Liu practices at 3100 Oak Rd, Walnut Creek, CA 94597. Dr. Liu's primary practice is Comprehensive Psychiatric Services, a Medical Group in Walnut Creek, California. Dmand AI also links Dr. Liu to 1 group practice or clinic and 1 medical group.
What is Dr. Wendy Louise Liu's office phone number?
The practice phone on file for Dr. Liu is (925) 944-9711.
What is Dr. Wendy Louise Liu's medical license number?
Dr. Liu's California license number on file is A163933, one of the licenses on file in 2 states.
Which states has Dr. Wendy Louise Liu been licensed in?
Dmand AI has state licenses on file for Dr. Liu in California (2019 to 2025) and Washington (2022 to 2026).
What medical group is Dr. Wendy Louise Liu part of?
Dr. Liu is linked to Comprehensive Psychiatric Services. Dmand AI links Dr. Liu to 1 more medical group.
Does Dr. Wendy Louise Liu accept Medicare?
Yes. CMS lists Dr. Liu as accepting Medicare assignment.
Is Dr. Wendy Louise Liu board certified?
Yes. Dr. Liu is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Wendy Louise Liu go to medical school?
Dr. Liu graduated from Tulane School of Medicine in 2018.
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What drugs does Dr. Wendy Louise Liu prescribe most?
In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Lamotrigine.
Has Dr. Wendy Louise Liu received payments from drug or device companies?
CMS Open Payments shows $357 in general payments to Dr. Liu from 7 companies from 2023 to 2023. The largest total came from Abbvie Inc.
How long has Dr. Wendy Louise Liu been practicing?
Dr. Liu graduated from medical school in 2018, 8 years ago.
What insurance does Dr. Wendy Louise Liu accept?
Dr. Liu is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan 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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