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DR. KIRK Y CHANG M.D
NPI 1215924105
Internal Medicine - Cardiovascular Disease in Los Angeles, CA

Active since October 05, 2005Opted out of Medicare · through Oct 1, 2026CLIA 05D2184504 · Waiver
8635 W 3RD ST, STE# 1050W, LOS ANGELES, CA 90048(310) 659-4026 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Kirk Y Chang M.d NPPES

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

DR. KIRK Y CHANG M.D (NPI 1215924105) is an individual cardiovascular disease provider in Los Angeles, California, licensed in California (A75580) and active in the NPI registry since October 2005. He has opted out of Medicare through October 1, 2026 and remains eligible to order and refer and holds a CLIA Waiver certificate valid through May 19, 2028.

NPPES Registry Identity

NPI1215924105
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. KIRK Y CHANGCredential: M.D
Location Address8635 W 3RD ST, STE# 1050WLos Angeles, CA 90048-6101
Mailing Address8635 W 3rd St, Ste# 1050wLos Angeles, CA 90048-6101 · (310) 659-4026
Phone(310) 659-4026
Sole ProprietorYes
Enumeration DateOctober 5, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1215924105 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · A75580
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
8635 W 3RD ST, Los Angeles, CA 90048
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type UnspecifiedA75580CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Kirk Y Chang M.d has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2022 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2022
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2184504

Kirk Y Chang MD Inc · Los Angeles, CA
Active · expires May 19, 2028
CLIA Number05D2184504
Laboratory TypePhysician Office
Certificate Effective DateMay 20, 2026
Certificate Expiration DateMay 19, 2028
Laboratory DirectorKirk Y. Chang
Laboratory Phone(310) 659-4026
Laboratory LocationKirk Y Chang MD IncW 3rd Street #1050w, Los Angeles, CA 90048
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

Reported Quality Measures

Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
0%264 patients1/55-star benchmark: 92%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
3%571 patients1/55-star benchmark: 85%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
74%38 patients3/55-star benchmark: 99%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
96%2,602 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
99%861 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
11%598 patients1/55-star benchmark: 99%
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.
38%322 patients2/55-star benchmark: 99%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
9%598 patients1/55-star benchmark: 90%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
62%1,083 patients3/55-star benchmark: 97%
Preventive Care and Screening: Influenza Immunization
Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization
7%725 patients1/55-star benchmark: 88%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
0%1,091 patients1/55-star benchmark: 96%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
Patients screenedForUse: 77% · 633 patients
Patients tobacco: 75% · 633 patients
43%23 patients2/55-star benchmark: 98%
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…
72%322 patients3/55-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…
0%322 patients1/55-star benchmark: 59%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 1% · 598 patients
3%598 patients4/55-star benchmark: 100%
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

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

Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
2 suppliers11 claims30 services$1.65 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 20

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

I-HSUAN LIN DPT
Physical Therapist
8635 W 3RD ST, SUITE 465W
LOS ANGELES, CA 90048
Los Angeles County (310) 657-8591
JAY W MARKS MD
Internal Medicine (Gastroenterology)
8635 W 3RD ST, SUITE #880
LOS ANGELES, CA 90048
Los Angeles County (323) 469-4499
JEFFREY FREDRICK CAREN M.D.
Specialist
8635 W 3RD ST, 890W
LOS ANGELES, CA 90048
Los Angeles County (310) 659-0714
HART C.M. COHEN
Specialist
8635 W 3RD ST, 450W
LOS ANGELES, CA 90048
Los Angeles County (310) 652-5954
JAY J STEIN M.D.
Urology
8635 W 3RD ST, SUITE 460W
LOS ANGELES, CA 90048
Los Angeles County (310) 652-8810
MR. DUDLEY S DANOFF MD
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Los Angeles County (310) 854-9898
RODRIGO F ALBAN M.D.
Surgery (Surgical Critical Care)
8635 W 3RD ST, SUITE 650W
LOS ANGELES, CA 90048
Los Angeles County (310) 423-8513
COR MEDICAL GROUP, INC
Specialist
8635 W 3RD ST, SUITE 890W
LOS ANGELES, CA 90048
Los Angeles County (310) 659-0714

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 Kirk Chang's NPI number?

The NPI number for Kirk Chang is 1215924105. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Where is Kirk Chang located?

Kirk Chang practices at 8635 W 3rd St Ste# 1050W, Los Angeles, CA 90048. The listed phone number is (310) 659-4026.

What is Kirk Chang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Kirk Chang enrolled in Medicare?

No. Kirk Chang has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Does Kirk Chang hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2184504) is associated with this NPI, valid through May 19, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Kirk Chang was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.