Karla Au Yeung, M.D.
NPI 1598794596 · Pediatric Gastroenterology Physician · Madera, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karla Au Yeung, M.D. is a Pediatric Gastroenterology Physician provider in Madera, CA (NPI 1598794596).
Provider details
- NPI number
- 1598794596
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 01046460 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,099 across 36 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-02
- Last updated
- 2022-01-04
- Certified
- 2022-01-04
Frequently asked questions
- What is Karla Au Yeung's NPI number?
- Karla Au Yeung's National Provider Identifier (NPI) is 1598794596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karla Au Yeung's specialty?
- Karla Au Yeung is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Karla Au Yeung located?
- Karla Au Yeung's practice location on file with NPPES is 9300 Valley Childrens Pl, Madera, CA 93636-8761.
- What is Karla Au Yeung's phone number?
- The practice phone number listed in the NPPES registry for Karla Au Yeung is (559) 353-5700.
- Does Karla Au Yeung accept Medicare?
- Karla Au Yeung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karla Au Yeung's NPI active?
- Yes — Karla Au Yeung's NPI (1598794596) is active in the NPPES registry as of the last update on 2022-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.