Dr. Jennifer Ca-Fen Liu, DO

  • Concord, CA
  • Emergency medicine physician
NPI1750674115
Medicare services, 2024
572
Medicare patients, 2024
478
Part D claims, 2024
238
Publications
1
MIPS score, 2024
97
Practice address
2540 East St, Concord, CA 94520
Practice phone
Call (925) 682-8200
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Concord Medical Center

Hospital · Concord, California

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Dr. Jennifer Ca-Fen Liu is an emergency medicine physician in Concord, California

Dr. Liu practices at Concord Medical Center in Concord, California, part of John Muir Health.

Dr. Liu's NPI, 1750674115, was assigned on May 18, 2011. Dr. Liu graduated from Touro University California - Vallejo in 2010. Dr. Liu holds Michigan license 5101019092.

NPI and contact details
NPI enumeration date
May 18, 2011
NPI status
Active
Practice phone
(925) 682-8200
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

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

Dr. Jennifer Ca-Fen Liu practices at Concord Medical Center in Concord, California

Dr. Liu's primary practice is Concord Medical Center, at 2540 East St, Concord, CA 94520 in Contra Costa County. The practice phone is (925) 682-8200.

Source: Dmand AI Affiliation Data

Dr. Jennifer Ca-Fen Liu is affiliated with 2 sites of care and 3 medical groups

Dr. Liu's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. The medical group on file is Vituity. Dmand AI also links Dr. Liu to 2 more medical groups and 1 other site, each named with a free account.

See all 5 affiliations for Dr. Liu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jennifer Ca-Fen Liu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Concord Medical CenterAvailable with a free account
+1 more site and 2 medical groupsAvailable 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 John Muir Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Jennifer Ca-Fen Liu is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Liu is board certified in emergency medicine by the AOA Board of Emergency Medicine. Dr. Liu is licensed in Michigan.

Specialties and state licenses

  • Emergency medicine, MichiganPrimaryLicense 5101019092 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Liu

Counts of emergency medicine physicians 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. Jennifer Ca-Fen Liu billed Medicare for 572 services in 2024

CMS data shows 572 Medicare services from Dr. Liu across 4 procedure codes in 2024, for 478 Medicare patients. Medicare paid $75,358 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024572
Medicare patients478
Paid by Medicare$75,358
Procedure codes4

Dr. Liu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5252024: 4966%
Tests and treatments
2023: 892024: 7615%

Dr. Liu compared with the California median for emergency medicine physicians, 2024

  • Dr. Liu
  • California median
Medicare services
572vs 2652.2 times
Medicare patients
478vs 24397% above
Part D claims
123vs 6298% above

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Liu'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.

See all procedures by Dr. Liu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Jennifer Ca-Fen Liu treated 478 Medicare patients in 2024, average age 73

CMS counts 478 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 167 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 2.48, 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. Liu's median patient age at 42, with 55% women.

Medicare patients, 2024478
Average age73
Average risk score2.48
Also on Medicaid50%

Dr. Liu's Medicare patients by age, 2024

Dr. Liu's Medicare patients by sex, 2024

  • Women29462%
  • Men18438%

Chronic conditions among Dr. Liu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes48%
  4. Arthritis47%
  5. Mood disorders46%
  6. Chronic kidney disease45%
  7. Anxiety39%
  8. Depression39%

Share of Medicare patients with each condition. A patient can have several.

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 42

Patient panel by sex, all payers

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Jennifer Ca-Fen Liu wrote 238 Medicare Part D claims in 2024

In 2024, Dr. Liu wrote 238 Medicare Part D claims for 169 patients. 94% of them were for generic drugs. CMS names the drug for 123 of them, across 6 drugs with 11 or more claims each, at $837 in total drug cost. In 2023, CMS named 107 claims across 5 drugs.

Part D claims, 2024238
Drugs named by CMS6
Total drug cost$837
Part D patients169

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

  • Generic224 claims94%
  • Brand-name and other14 claims6%

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.

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

  • Opioids7%16 of 238 claims
  • Antibiotics47%111 of 238 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1072024: 12315%

Drugs named by CMS: 6 in 2024, 5 in 2023.

See all prescribing by Dr. 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

Dr. Jennifer Ca-Fen Liu scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Liu for performance year 2024, reported as part of a group.

Dr. Liu's MIPS scores, performance year 2024

  • 97of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Jennifer Ca-Fen Liu has 1 publication on record

Dmand AI links 1 paper to Dr. Liu in 2018. Dr. Liu's most frequent co-authors are Nabila A. Dahodwala, MD and Daniel Weintraub, MD.

Papers1

Dr. Liu's most frequent co-authors

Recent publications by Dr. Liu

See all 1 publications and co-authors

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 emergency medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Jennifer Ca-Fen Liu received $99 in industry payments in 2017

CMS Open Payments shows 1 general payment to Dr. Liu from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $99.

Companies that paid Dr. Liu the most, 2017 to 2017

Share is of all general payments to this clinician.

See all payments to Dr. Liu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jennifer Ca-Fen Liu graduated from Touro University California - Vallejo

Dr. Liu graduated from Touro University California - Vallejo in 2010. Dr. Liu is a member of ACEP and AOA.

  1. Medical schoolTouro University California - Vallejo
  2. Board certified in emergency medicineAOA Board of Emergency Medicine
  3. Board certified in 2014 - 2018AZ State License
  4. Board certified in 2014 - 2027CA State License
  5. Board certified in 2014 - 2018HI State License
  6. Board certified in 2013 - 2019MI State License

Source: Dmand AI Professional Profile Data

Dr. Jennifer Ca-Fen Liu accepts plans from 3 insurance carriers

Dr. Liu is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and DentaQuest. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • DentaQuest

Plan types Dr. Liu accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Jennifer Ca-Fen 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Dr. Jennifer Ca-Fen 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. Jennifer Ca-Fen Liu's NPI number?

Dr. Jennifer Ca-Fen Liu's NPI number is 1750674115. It was assigned on May 18, 2011, and it is active in the NPI Registry.

What kind of doctor is Dr. Jennifer Ca-Fen Liu?

Dr. Jennifer Ca-Fen Liu is an emergency medicine physician in Concord, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Jennifer Ca-Fen Liu practice?

Dr. Liu practices at 2540 East St, Concord, CA 94520. Dr. Liu's primary practice is Concord Medical Center in Concord, California, part of John Muir Health. Dmand AI also links Dr. Liu to 2 medical groups and 1 other site.

What is Dr. Jennifer Ca-Fen Liu's office phone number?

The practice phone on file for Dr. Liu is (925) 682-8200.

What is Dr. Jennifer Ca-Fen Liu's medical license number?

Dr. Liu holds Michigan license 5101019092.

Which hospitals is Dr. Jennifer Ca-Fen Liu affiliated with?

Dr. Liu practices at Concord Medical Center in Concord, California.

What medical group is Dr. Jennifer Ca-Fen Liu part of?

Dr. Liu is linked to Vituity. Dmand AI links Dr. Liu to 2 more medical groups.

Does Dr. Jennifer Ca-Fen Liu accept Medicare?

Yes. CMS data shows Dr. Liu billed Medicare for 572 services in 2024.

What is Dr. Jennifer Ca-Fen Liu's MIPS score?

Dr. Liu's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

How many Medicare patients does Dr. Jennifer Ca-Fen Liu see?

CMS counts 478 Medicare patients who saw Dr. Liu in 2024, with an average age of 73.

Show 9 more questionsShow fewer questions

Is Dr. Jennifer Ca-Fen Liu board certified?

Yes. Dr. Liu is board certified in emergency medicine by the AOA Board of Emergency Medicine.

What services does Dr. Jennifer Ca-Fen Liu bill to Medicare?

In 2024, Dr. Liu's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

Where did Dr. Jennifer Ca-Fen Liu go to medical school?

Dr. Liu graduated from Touro University California - Vallejo in 2010.

What drugs does Dr. Jennifer Ca-Fen Liu prescribe most?

In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Cephalexin, Prednisone and Azithromycin.

Has Dr. Jennifer Ca-Fen Liu received payments from drug or device companies?

CMS Open Payments shows $99 in general payments to Dr. Liu from 1 company from 2017 to 2017. The largest total came from Medtronic USA, Inc.

How long has Dr. Jennifer Ca-Fen Liu been practicing?

Dr. Liu graduated from medical school in 2010, 16 years ago.

Does Dr. Jennifer Ca-Fen Liu do research?

Dmand AI links 1 publication to Dr. Liu.

Who does Dr. Jennifer Ca-Fen Liu publish with?

Dr. Liu's most frequent co-authors are Nabila A. Dahodwala, MD (1 shared paper) and Daniel Weintraub, MD (1 shared paper).

What insurance does Dr. Jennifer Ca-Fen Liu accept?

Dr. Liu is in network with 3 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and DentaQuest. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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