Dr. Joan Sy Medical Corporation
NPI 1407044589 · Family Medicine Physician · Laguna Hills, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dr. Joan Sy Medical Corporation is a Family Medicine Physician organization in Laguna Hills, CA (NPI 1407044589).
Provider details
- NPI number
- 1407044589
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Joan Sy, Physician and Surgeon(909) 489-7386
- License
- 20A6587 (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
18 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
- 2007-10-14
- Last updated
- 2022-10-10
- Certified
- 2022-10-10
Frequently asked questions
- What is Dr. Joan Sy Medical Corporation's NPI number?
- Dr. Joan Sy Medical Corporation's National Provider Identifier (NPI) is 1407044589, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Joan Sy Medical Corporation?
- Dr. Joan Sy Medical Corporation is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dr. Joan Sy Medical Corporation located?
- Dr. Joan Sy Medical Corporation's practice location on file with NPPES is 24953 Paseo De Valencia Ste 1a, Laguna Hills, CA 92653-4342.
- What is Dr. Joan Sy Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Dr. Joan Sy Medical Corporation is (949) 460-9200.
- Does Dr. Joan Sy Medical Corporation accept Medicare?
- Dr. Joan Sy Medical Corporation 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 Dr. Joan Sy Medical Corporation?
- The authorized official listed on Dr. Joan Sy Medical Corporation's NPPES record is Joan Sy, Physician and Surgeon. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Joan Sy Medical Corporation's NPI active?
- Yes — Dr. Joan Sy Medical Corporation's NPI (1407044589) is active in the NPPES registry as of the last update on 2022-10-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.