Liza Chen, PA-C

  • Bakersfield, CA
  • Physician assistant
NPI1043294275PAC ID0840211397
Medicare services, 2024
1,876
Medicare patients, 2024
470
Part D claims, 2024
576
MIPS score, 2024
94
Industry payments
$9,290
Practice address
6501 Truxtun Avenue, Suite 190, Bakersfield, CA 93309
Practice phone
Call (661) 472-4177
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

CBCC Surgery Center

Surgery Center - Medicare-Certified · Bakersfield, California

See all 8 affiliations

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Liza Chen is a physician assistant in Bakersfield, California

Liza Chen practices at CBCC Surgery Center in Bakersfield, California.

Liza Chen's NPI, 1043294275, was assigned on December 1, 2005. Liza Chen holds California license PA18136.

NPI and contact details
Medicare PAC ID
0840211397
NPI enumeration date
December 1, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(661) 472-4177
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Liza Chen practices at CBCC Surgery Center in Bakersfield, California

Liza Chen's primary practice is CBCC Surgery Center, at 6501 Truxtun Avenue, Suite 190, Bakersfield, CA 93309. The practice phone is (661) 472-4177.

  • CBCC Surgery Center
    6501 Truxtun Avenue, Suite 190, Bakersfield, CA 93309Phone(661) 472-4177

Source: Dmand AI Affiliation Data

Liza Chen is affiliated with 4 sites of care and 4 medical groups

Liza Chen's primary practice is CBCC Surgery Center in Bakersfield, California. The medical group on file is Pinnacle Emergency Physicians of Bakersfield. Dmand AI also links Liza Chen to 3 more medical groups, 1 group practice or clinic, 1 home health agency and 1 ambulatory surgery center, each named with a free account.

See all 8 affiliations for Liza Chen

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

Dmand AI tracks the EHR system at Liza Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Liza Chen practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
CBCC Surgery CenterAvailable with a free account
+3 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Liza Chen is one of 11,482 physician assistants in California

Physician assistant is Liza Chen's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Liza Chen is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Liza Chen is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA18136 · taxonomy 363A00000X

Clinical focus

Dmand AI lists lupus, muscle pain, fibromyalgia, and limb pain, psoriasis and tobacco use among the conditions Liza Chen treats.

Physician assistants near Liza Chen

Counts of physician assistants 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

Liza Chen billed Medicare for 1,876 services in 2024

CMS data shows 1,876 Medicare services from Liza Chen across 6 procedure codes in 2024, for 470 Medicare patients. Medicare paid $123,756 for them. Every service was in an office.

Medicare services, 20241,876
Medicare patients470
Paid by Medicare$123,756
Procedure codes6

Liza Chen's Medicare services by type, 2024

  1. Office and hospital visits1,454
  2. Other services422

Liza Chen compared with the California median for physician assistants, 2024

  • Liza Chen
  • California median
Medicare services
1,876vs 2049.2 times
Medicare patients
470vs 1054.5 times
Part D claims
395vs 24363% above

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Liza Chen'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 Liza Chen

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

Liza Chen treated 470 Medicare patients in 2024, average age 72

CMS counts 470 Medicare patients who saw Liza Chen in 2024. The largest group is 65 to 74, with 217 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 51% are also on Medicaid. Their average risk score is 2.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Liza Chen's median patient age at 61, with 65% women.

Medicare patients, 2024470
Average age72
Average risk score2.29
Also on Medicaid51%

Liza Chen's Medicare patients by age, 2024

Liza Chen's Medicare patients by sex, 2024

  • Women28861%
  • Men18239%

Chronic conditions among Liza Chen's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes52%
  4. Arthritis50%
  5. Ischemic heart disease46%
  6. Cancer39%
  7. Chronic kidney disease36%
  8. Anxiety28%

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

Liza Chen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women65%
  • Men35%

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

Liza Chen wrote 576 Medicare Part D claims in 2024

In 2024, Liza Chen wrote 576 Medicare Part D claims for 121 patients. 90% of them were for generic drugs. CMS names the drug for 395 of them, across 16 drugs with 11 or more claims each, at $173,787 in total drug cost.

Part D claims, 2024576
Drugs named by CMS16
Total drug cost$173,787
Part D patients121

Liza Chen's Part D claims by kind of drug, 2024

  • Generic516 claims90%
  • Brand-name60 claims10%

Liza Chen'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 Liza Chen's Part D claims, 2024

  • Opioids6%32 of 576 claims
  • Antibiotics12%71 of 576 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 Liza Chen

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

Liza Chen scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Liza Chen for performance year 2024, reported as part of a group. Liza Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Liza Chen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Liza Chen's MIPS scores, performance year 2024

  • 94of 100Final score
  • 87.8of 100Quality
  • 90of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 78of 100Cost

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Liza Chen received $9,290 in industry payments from 2024 to 2025

CMS Open Payments shows 428 general payments to Liza Chen from 43 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 96% of the total. Janssen Pharmaceuticals, Inc paid the most, $918.

General payments to Liza Chen by program year, 2024 to 2025

General payments to Liza Chen by kind, 2024 to 2025

$9.3Kin total
  • Food and beverage$8,91396%
  • Education$3774%

Companies that paid Liza Chen the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Liza Chen

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

Liza Chen is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Liza Chen'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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Liza Chen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Liza Chen's NPI number?

Liza Chen's NPI number is 1043294275. It was assigned on December 1, 2005, and it is active in the NPI Registry.

What does Liza Chen specialize in?

Liza Chen is a physician assistant in Bakersfield, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Liza Chen practice?

Liza Chen practices at 6501 Truxtun Avenue, Suite 190, Bakersfield, CA 93309. Liza Chen's primary practice is CBCC Surgery Center in Bakersfield, California. Dmand AI also links Liza Chen to 3 medical groups, 1 group practice or clinic, 1 home health agency and 1 ambulatory surgery center.

What is Liza Chen's office phone number?

The practice phone on file for Liza Chen is (661) 472-4177.

What is Liza Chen's medical license number?

Liza Chen holds California license PA18136.

What medical group is Liza Chen part of?

Liza Chen is linked to Pinnacle Emergency Physicians of Bakersfield. Dmand AI links Liza Chen to 3 more medical groups.

Does Liza Chen accept Medicare?

Yes. CMS data shows Liza Chen billed Medicare for 1,876 services in 2024, and Liza Chen accepts Medicare assignment.

Does Liza Chen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Liza Chen as offering telehealth services.

What is Liza Chen's MIPS score?

Liza Chen's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.

How many Medicare patients does Liza Chen see?

CMS counts 470 Medicare patients who saw Liza Chen in 2024, with an average age of 72.

Show 5 more questionsShow fewer questions

Is Liza Chen board certified?

Yes. Liza Chen is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What services does Liza Chen bill to Medicare?

In 2024, Liza Chen's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).

What drugs does Liza Chen prescribe most?

In 2024 Medicare Part D data, Liza Chen's most prescribed drugs by claims were Warfarin Sodium, Ondansetron HCl and Dexamethasone.

Has Liza Chen received payments from drug or device companies?

CMS Open Payments shows $9,290 in general payments to Liza Chen from 43 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Liza Chen been practicing?

Liza Chen graduated from medical school in 2005, 21 years ago.

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