Grace Yao, M.D.,PH.D
NPI 1184988461 · Obstetrics & Gynecology Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grace Yao, M.D.,PH.D is a Obstetrics & Gynecology Physician provider in Irvine, CA (NPI 1184988461).
Provider details
- NPI number
- 1184988461
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.,PH.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- A132410 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 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.
$125 across 1 record (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
- 2012-07-01
- Last updated
- 2022-07-29
- Certified
- 2022-07-29
Frequently asked questions
- What is Grace Yao's NPI number?
- Grace Yao's National Provider Identifier (NPI) is 1184988461, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Yao's specialty?
- Grace Yao is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Grace Yao located?
- Grace Yao's practice location on file with NPPES is 22 Odyssey Ste 155, Irvine, CA 92618-3194.
- What is Grace Yao's phone number?
- The practice phone number listed in the NPPES registry for Grace Yao is (949) 418-7330.
- Does Grace Yao accept Medicare?
- Grace Yao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grace Yao's NPI active?
- Yes — Grace Yao's NPI (1184988461) is active in the NPPES registry as of the last update on 2022-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.