Ray Hsiao MD Inc
NPI 1710062401 · Internal Medicine Physician · Hacienda Heights, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ray Hsiao MD Inc is a Internal Medicine Physician organization in Hacienda Heights, CA (NPI 1710062401).
Provider details
- NPI number
- 1710062401
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Ray Hsaio, President(626) 854-7866
- License
- G70571 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-25
- Last updated
- 2011-09-30
Frequently asked questions
- What is Ray Hsiao MD Inc's NPI number?
- Ray Hsiao MD Inc's National Provider Identifier (NPI) is 1710062401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ray Hsiao MD Inc?
- Ray Hsiao MD Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ray Hsiao MD Inc located?
- Ray Hsiao MD Inc's practice location on file with NPPES is 1850 S Azusa Ave, Hacienda Heights, CA 91745-6813.
- What is Ray Hsiao MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Ray Hsiao MD Inc is (626) 854-7866.
- Does Ray Hsiao MD Inc accept Medicare?
- Ray Hsiao MD Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Ray Hsiao MD Inc?
- The authorized official listed on Ray Hsiao MD Inc's NPPES record is Ray Hsaio, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ray Hsiao MD Inc's NPI active?
- Yes — Ray Hsiao MD Inc's NPI (1710062401) is active in the NPPES registry as of the last update on 2011-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.