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

KAIWEN SUN MD
NPI 1255891479
Internal Medicine - Cardiovascular Disease in Chula Vista, CA

Active since March 22, 2019PECOS Enrolled
765 MEDICAL CENTER CT STE 211, CHULA VISTA, CA 91911(619) 616-2100 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 4, 2026, Jul 27, 2026, Feb 10, 2025 and 1 more (4 updates tracked since 2019).

About Kaiwen Sun Md NPPES

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

KAIWEN SUN MD (NPI 1255891479) is an individual cardiovascular disease provider in Chula Vista, California, licensed in California (A177099) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255891479
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameKAIWEN SUNCredential: MD
Location Address765 MEDICAL CENTER CT STE 211Chula Vista, CA 91911-6600
Mailing Address765 Medical Center Ct Ste 211Chula Vista, CA 91911-6600
Phone(619) 616-2100
Sole ProprietorNo
Enumeration DateMarch 22, 2019
Last NPPES UpdateAugust 4, 20264 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1255891479 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 · A177099
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.
765 MEDICAL CENTER CT STE 211, Chula Vista, CA 91911
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kaiwen Sun Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91911 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

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.

MILIND DAKSHESH PARIKH D.O.
Internal Medicine (Cardiovascular Disease)
765 MEDICAL CENTER CT STE 211
CHULA VISTA, CA 91911
San Diego County (619) 616-2100
SHANNON POLLEY
Physician Assistant
765 MEDICAL CENTER CT STE 211
CHULA VISTA, CA 91911
San Diego County (617) 636-0405
KENDALL FRYER PA
Physician Assistant
765 MEDICAL CENTER CT STE 211
CHULA VISTA, CA 91911
San Diego County (616) 619-2100
ALAN KURIAKOSE JOHN M.D.
Internal Medicine (Interventional Cardiology)
765 MEDICAL CENTER CT STE 211
CHULA VISTA, CA 91911
San Diego County (619) 616-2100
DAPHNE BINTO
Physician Assistant
765 MEDICAL CENTER CT STE 211
CHULA VISTA, CA 91911
San Diego County (508) 373-5820
DR. STEVEN K CARLSON
Internal Medicine (Clinical Cardiac Electrophysiology)
765 MEDICAL CENTER CT STE 211
CHULA VISTA, CA 91911
San Diego County (310) 319-4698
DR. AKILESH HONASOGE M.D.
Internal Medicine (Interventional Cardiology)
765 MEDICAL CENTER CT STE 211
CHULA VISTA, CA 91911
San Diego County (619) 616-2100
MANOLO RUBIO GARCIA MD
Internal Medicine (Interventional Cardiology)
765 MEDICAL CENTER CT STE 211
CHULA VISTA, CA 91911
San Diego County (619) 616-2100

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 Kaiwen Sun's NPI number?

The NPI number for Kaiwen Sun is 1255891479. It was assigned to this individual provider in the NPPES registry on March 22, 2019.

Where is Kaiwen Sun located?

Kaiwen Sun practices at 765 Medical Center Ct Ste 211, Chula Vista, CA 91911. The listed phone number is (619) 616-2100.

What is Kaiwen Sun's specialty?

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

Is Kaiwen Sun enrolled in Medicare?

Yes. Kaiwen Sun is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Kaiwen Sun was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.