Barbara Ching-Man Liu

  • Santa Clara, CA
  • Women's health nurse practitioner
NPI1841301363PAC ID9830375484
Part D claims, 2024
204
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2006
Practice address
710 Lawrence Expy, Santa Clara, CA 95051
Practice phone
Call (408) 851-1000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Permanente Medical Group Inc

Santa Clara, California

See all 3 affiliations

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Barbara Ching-Man Liu is a women's health nurse practitioner in Santa Clara, California

Barbara Liu practices at Permanente Medical Group Inc in Santa Clara, California.

Barbara Liu's NPI, 1841301363, was assigned on August 31, 2006. Barbara Liu holds California license 385108.

NPI and contact details
Medicare PAC ID
9830375484
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(408) 851-1000
Professional email
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Personal email
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Mobile number
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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)

Barbara Ching-Man Liu practices at Permanente Medical Group Inc in Santa Clara, California

Barbara Liu's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.

  • Permanente Medical Group Inc
    710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Barbara Ching-Man Liu is affiliated with 2 sites of care and 1 medical group

Barbara Liu's primary practice is Permanente Medical Group Inc in Santa Clara, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Barbara Liu to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Barbara Liu

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Barbara Ching-Man Liu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Barbara Liu practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Permanente Medical Group IncAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Barbara Ching-Man Liu is one of 415 women's health nurse practitioners in California

Women's health is Barbara Liu's primary specialty in the NPI Registry, under taxonomy code 363LW0102X. Barbara Liu is licensed in California.

Specialties and state licenses

  • Women's health nurse practitioner, CaliforniaPrimaryLicense 385108 · taxonomy 363LW0102X

Women's health nurse practitioners near Barbara Liu

Counts of women's health nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.

415women's health nurse practitioners in California
2women's health nurse practitioners in Santa Clara

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Barbara Ching-Man Liu's patients have a median age of 41

Across all payers, Dmand AI patient panel data puts Barbara Liu's median patient age at 41, with 95% women.

Barbara 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 41

Patient panel by sex, all payers

  • Women95%
  • Men3%

Source: Dmand AI Patient Panel Data

Barbara Ching-Man Liu wrote 204 Medicare Part D claims in 2024

In 2024, Barbara Liu wrote 204 Medicare Part D claims for 55 patients. 97% of them were for generic drugs. CMS names the drug for 138 of them, across 8 drugs with 11 or more claims each, at $4,224 in total drug cost.

Part D claims, 2024204
Drugs named by CMS8
Total drug cost$4,224
Part D patients55

Barbara Liu's Part D claims by kind of drug, 2024

  • Generic197 claims97%
  • Brand-name and other7 claims3%

Barbara 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.

Drug classes CMS tracks in Barbara Liu's Part D claims, 2024

  • Antibiotics5%11 of 204 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Barbara Liu

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 Barbara Ching-Man Liu takes part in Medicare

Barbara 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)

For MedTech and pharma teams

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Sources for Barbara Ching-Man Liu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Barbara Ching-Man 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 Barbara Ching-Man Liu's NPI number?

Barbara Ching-Man Liu's NPI number is 1841301363. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What does Barbara Ching-Man Liu specialize in?

Barbara Ching-Man Liu is a women's health nurse practitioner in Santa Clara, California. The primary specialty in the NPI Registry is Women's Health Nurse Practitioner (taxonomy code 363LW0102X).

Where does Barbara Ching-Man Liu practice?

Barbara Liu practices at 710 Lawrence Expy, Santa Clara, CA 95051. Barbara Liu's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dmand AI also links Barbara Liu to 1 group practice or clinic.

What is Barbara Ching-Man Liu's office phone number?

The practice phone on file for Barbara Liu is (408) 851-1000.

What is Barbara Ching-Man Liu's medical license number?

Barbara Liu holds California license 385108.

What medical group is Barbara Ching-Man Liu part of?

Barbara Liu is linked to The Permanente Medical Group, Inc.

Does Barbara Ching-Man Liu accept Medicare?

Yes. CMS lists Barbara Liu as accepting Medicare assignment.

What drugs does Barbara Ching-Man Liu prescribe most?

In 2024 Medicare Part D data, Barbara Liu's most prescribed drugs by claims were Estradiol, Amlodipine Besylate and Hydralazine HCl.

How long has Barbara Ching-Man Liu been practicing?

Barbara Liu graduated from medical school in 1993, 33 years ago.

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