Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Heather Y Sun, MD

Individual provider Pediatrics Physician · NPI 1811173883

Dr. Heather Y Sun, MD is a Cardiovascular Disease (Cardiology) in San Diego, California. Graduated from Rush Medical College of Rush University in 2005, 21 years ago. Practices with Rady Children's Hospital San Diego, a 161-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
21
Trained at
Rush Medical College of Rush University
Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3020 Childrens Way
San Diego, CA 92123-4223
Phone: (858) 966-5855
Fax: (858) 571-7903
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence A107943 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence A107943 (CA)

Record details

NPI number1811173883
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 21, 2008
Last updated in NPPESNovember 7, 2014

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesPEDIATRIC MEDICINE
Medical schoolRUSH MEDICAL COLLEGE OF RUSH UNIVERSITY
Graduated 2005 (21 years in practice)
Group practice Rady Children'S Hospital San Diego — 161 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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