Chit Su Wai, MD
NPI 1780015438 · Internal Medicine Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chit Su Wai, MD is a Internal Medicine Physician provider in Irvine, CA (NPI 1780015438).
Provider details
- NPI number
- 1780015438
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A127042 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1818 N Orange Grove AveSuite 204Pomona, CA 91767-3028Phone: (909) 630-7158Fax: (909) 630-7983
Registry dates
- Enumerated
- 2013-12-05
- Last updated
- 2026-01-14
- Certified
- 2026-01-14
Frequently asked questions
- What is Chit Su Wai's NPI number?
- Chit Su Wai's National Provider Identifier (NPI) is 1780015438, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chit Su Wai's specialty?
- Chit Su Wai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chit Su Wai located?
- Chit Su Wai's practice location on file with NPPES is 11 Technology Dr, Irvine, CA 92618-2302.
- What is Chit Su Wai's phone number?
- The practice phone number listed in the NPPES registry for Chit Su Wai is (949) 923-3200.
- Does Chit Su Wai accept Medicare?
- Chit Su Wai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chit Su Wai's NPI active?
- Yes — Chit Su Wai's NPI (1780015438) is active in the NPPES registry as of the last update on 2026-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.