Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DAVID DAE KYU CHI M.D.
NPI 1881746428
Surgery - Surgical Oncology in Westlake Village, CA

Active since January 16, 2007PECOS Enrolled
75/100
CMS Quality Rating
1250 LA VENTA DR STE 100, WESTLAKE VILLAGE, CA 91361(805) 496-5153 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. David Dae Kyu Chi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAVID DAE KYU CHI M.D. (NPI 1881746428) is an individual surgical oncology provider in Westlake Village, California, licensed in California (G84570) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Thousand Oaks, and is a graduate of University Of California, Geffen School Of Medicine (1990).

NPPES Registry Identity

NPI1881746428
Entity TypeIndividualMale
Primary Taxonomy2086X0206X
Provider Legal NameDR. DAVID DAE KYU CHICredential: M.D.
Location Address1250 LA VENTA DR STE 100Westlake Village, CA 91361-3774
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Sole ProprietorYes
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1990
Enumeration DateJanuary 16, 2007
Last NPPES UpdateJuly 31, 2026
NPPES CertifiedJuly 31, 2026
NPI 1881746428 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Surgical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2086X0206X
License Licensed in CA · G84570
Definition
A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.
Also ListedSurgeryTaxonomy 208600000X · License G84570 (CA)
1250 LA VENTA DR STE 100, Westlake Village, CA 91361

Secondary Practice Location 1

Location 1555 Marin Street, Suite 210Thousand Oaks, CA 91360-4105 · Phone (805) 497-7785 · Fax (805) 497-7728

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. David Dae Kyu Chi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052440526
PECOS Enrollment IDI20100520000770
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
330 services219 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
124 services124 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
78 services75 patients
Repair of groin hernia (5 years or older) 49505
Repair of a groin hernia is a procedure aimed at fixing an abnormal bulge that can occur in the area between your abdomen and thigh. This condition happens when tissue pushes through a weak spot in your lower abdominal wall. The repair procedure returns this tissue back to its proper place.
31 services31 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
30 services25 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91361 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$185.36 typical visit price
range $62.32 – $185.36
Typical copayment $46.34 (range $15.58 – $46.34)
Most-billed visit code 99205
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored

Reported Quality Measures

Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
97%122 patients4/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
100%360 patients5/55-star benchmark: 99%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
98%360 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
98%360 patients5/55-star benchmark: 59%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Parenteral nutrition solution, not otherwise specified, 10 grams lipids B4185
Other-Enteral and Parenteral · category OB005N
1 supplier45 claims669 services$11.29 avg. paid by Medicare
Parenteral nutrition solution; compounded amino acid and carbohydrates with electrolytes, trace elements and vitamins, including preparation, any strength, 74 to 100 grams of protein - premix B4197
Other-Enteral and Parenteral · category OB005N
1 supplier45 claims302 services$280.60 avg. paid by Medicare
Parenteral nutrition supply kit; premix, per day B4220
Other-Enteral and Parenteral · category OB005N
1 supplier45 claims302 services$8.03 avg. paid by Medicare
Parenteral nutrition administration kit, per day B4224
Other-Enteral and Parenteral · category OB005N
1 supplier45 claims302 services$25.09 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery (Surgical Oncology)
1250 LA VENTA DR STE 100
WESTLAKE VILLAGE, CA 91361

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Chi's NPI number?

The NPI number for David Chi is 1881746428. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Where is David Chi located?

David Chi practices at 1250 La Venta Dr Ste 100, Westlake Village, CA 91361. The listed phone number is (805) 496-5153.

What is David Chi's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.

Is David Chi enrolled in Medicare?

Yes. David Chi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for David Chi was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.