Quick answers
- Where does Andrew Y. Hsing see patients?
- Medicare's clinician data lists 4 practice locations, including Vista, CA, Encinitas, CA and Murrieta, CA. Call before your visit to confirm the address.
- What is Andrew Y. Hsing's specialty?
- Medicare lists Pulmonary Disease as the primary specialty, and also Critical Care (Intensivists) and Sleep Medicine.
- Does Andrew Y. Hsing accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew Y. Hsing accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Andrew Y. Hsing offer telehealth?
- Medicare's clinician data says Andrew Y. Hsing offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Andrew Y. Hsing?
- (760) 230-8994, as listed in official Medicare / NPI Registry data.
- What is Andrew Y. Hsing's NPI number?
- 1790769131. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Andrew Y. Hsing is enrolled with Medicare (CMS data updated 2026-10-02).
- 2067 W Vista Way, Suite 160Vista, CA 92083 (760) 230‑8994
- 326 Santa Fe Dr, Suite 100Encinitas, CA 92024 (818) 462‑0990
- 40663 Murrieta Hot Springs Rd, Suite C1Murrieta, CA 92562 (951) 200‑6791
- 521 E Elder St, Suite 104Fallbrook, CA 92028 (760) 728‑9560
Group practices
Medicare enrollment lists Andrew Y. Hsing as a member of these groups (CMS data updated 2026-10-02).
- United Medical Doctors173 clinicians in the group
- Scott a Eisman MD Inc13 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
- Critical Care (Intensivists)also
- Sleep Medicinealso
Other pulmonologists in Vista
Clinicians with the same Medicare primary specialty in Vista, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790769131 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians