Grace Oh
NPI 1790560910 · Physician Assistant · Irvine, CA
Grace Oh is a Physician Assistant provider in Irvine, CA (NPI 1790560910).
Provider details
- NPI number
- 1790560910
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
2 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 23 | 15 |
| Metformin Hcl | 21 | 11 |
| Atorvastatin Calcium | 20 | 14 |
| Azithromycin | 20 | 20 |
| Losartan Potassium | 12 | — |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 12 | 11 |
| Hydrochlorothiazide | 11 |
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
- 2023-08-28
- Last updated
- 2024-05-15
- Certified
- 2024-05-15
Frequently asked questions
- What is Grace Oh's NPI number?
- Grace Oh's National Provider Identifier (NPI) is 1790560910, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grace Oh's specialty?
- Grace Oh is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Grace Oh located?
- Grace Oh's practice location on file with NPPES is 14775 Jeffrey Rd Ste C, Irvine, CA 92618-0402.
- What is Grace Oh's phone number?
- The practice phone number listed in the NPPES registry for Grace Oh is (661) 505-3260.
- Is Grace Oh's NPI active?
- Yes — Grace Oh's NPI (1790560910) is active in the NPPES registry as of the last update on 2024-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.