Esther Hui, MD
NPI 1659567444 · Internal Medicine Physician · North Highlands, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Esther Hui, MD is a Internal Medicine Physician provider in North Highlands, CA (NPI 1659567444).
Provider details
- NPI number
- 1659567444
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A81053 (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
- 2007-09-14
- Last updated
- 2014-09-25
Frequently asked questions
- What is Esther Hui's NPI number?
- Esther Hui's National Provider Identifier (NPI) is 1659567444, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esther Hui's specialty?
- Esther Hui is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Esther Hui located?
- Esther Hui's practice location on file with NPPES is 5735 Watt Ave, North Highlands, CA 95660-4751.
- What is Esther Hui's phone number?
- The practice phone number listed in the NPPES registry for Esther Hui is (916) 339-2229.
- Does Esther Hui accept Medicare?
- Esther Hui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Esther Hui's NPI active?
- Yes — Esther Hui's NPI (1659567444) is active in the NPPES registry as of the last update on 2014-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.