1. Home
  2. Directory
  3. Texas
  4. Austin
  5. Internal Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ANDREW SHICHEN SUN MD
NPI 1699235473
Internal Medicine - Cardiovascular Disease in Austin, TX

Active since March 20, 2019PECOS Enrolled
4316 JAMES CASEY ST., BLDG A, C, E, AUSTIN, TX 78745(512) 623-5300(512) 623-5399 Get Directions Write a Review

NPPES record last updated: June 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Andrew Shichen Sun Md NPPES

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

DR. ANDREW SHICHEN SUN MD (NPI 1699235473) is an individual cardiovascular disease provider in Austin, Texas, licensed in Texas (T6725) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1699235473
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. ANDREW SHICHEN SUNCredential: MD
Location Address4316 JAMES CASEY ST., BLDG A, C, EAustin, TX 78745
Mailing Address1 Baylor PlzHouston, TX 77030-3411
Phone(512) 623-5300
Fax(512) 623-5399
Sole ProprietorNo
Enumeration DateMarch 20, 2019
Last NPPES UpdateJune 12, 2026
NPPES CertifiedJune 12, 2026
✔ NPI 1699235473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · T6725
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
4316 JAMES CASEY ST., Austin, TX 78745
Open in Google Maps ↗

Secondary Practice Location 1

Location 11 Baylor PlzHouston, TX 77030-3411 · Phone (832) 355-3792

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Andrew Shichen 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 78745 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
$131.95 typical visit price
range $57.88 – $174.00
Typical copayment $32.98 (range $14.47 – $43.50)
Most-billed visit code 99204
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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

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

HC ORTHOPAEDICS
Specialist
4316 JAMES CASEY ST., BLDG. F, STE. 100
AUSTIN, TX 78745
Travis County (512) 707-8544

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 Andrew Sun's NPI number?

The NPI number for Andrew Sun is 1699235473. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Where is Andrew Sun located?

Andrew Sun practices at 4316 James Casey St. Bldg A, C, E, Austin, TX 78745. The listed phone number is (512) 623-5300.

What is Andrew Sun's specialty?

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

Is Andrew Sun enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for Andrew Sun was last updated on June 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 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.