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

Dr. Johnny Sia Gaw I, MD

Individual provider Cardiovascular Disease Physician · NPI 1194717512

Dr. Johnny Sia Gaw I, MD is a Cardiovascular Disease (Cardiology) in Monrovia, California. Qualified in 1973, 53 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
53
Licensed in
CA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

831 E Huntington Dr Ste 101
Monrovia, CA 91016-6423
Phone: (702) 579-3203
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 931 Buena Vista St, Duarte, CA 91010-1712 — (626) 359-8929

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence A38464 (CA)

Record details

NPI number1194717512
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 22, 2005
Last updated in NPPESDecember 15, 2025
Certification dateDecember 15, 2025

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1973 (53 years in practice)
Group practice Healthcare Partners Affiliates Medical Group — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare