Naomi Cheung, MD
NPI 1073503314 · Internal Medicine Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naomi Cheung, MD is a Internal Medicine Physician provider in Fountain Valley, CA (NPI 1073503314).
Provider details
- NPI number
- 1073503314
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A86263 (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
20 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
- 2005-10-27
- Last updated
- 2021-12-08
- Certified
- 2020-01-09
Frequently asked questions
- What is Naomi Cheung's NPI number?
- Naomi Cheung's National Provider Identifier (NPI) is 1073503314, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naomi Cheung's specialty?
- Naomi Cheung is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Naomi Cheung located?
- Naomi Cheung's practice location on file with NPPES is 11420 Warner Ave, Fountain Valley, CA 92708-2529.
- What is Naomi Cheung's phone number?
- The practice phone number listed in the NPPES registry for Naomi Cheung is (714) 549-1300.
- Does Naomi Cheung accept Medicare?
- Naomi Cheung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naomi Cheung's NPI active?
- Yes — Naomi Cheung's NPI (1073503314) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.