Caroline Oh, NP
NPI 1184894974 · Family Nurse Practitioner · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caroline Oh, NP is a Family Nurse Practitioner provider in Mission Viejo, CA (NPI 1184894974).
Provider details
- NPI number
- 1184894974
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 594840 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 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.
$245 across 2 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
- 2008-03-07
- Last updated
- 2016-02-22
Frequently asked questions
- What is Caroline Oh's NPI number?
- Caroline Oh's National Provider Identifier (NPI) is 1184894974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Oh's specialty?
- Caroline Oh is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caroline Oh located?
- Caroline Oh's practice location on file with NPPES is 25272 Marguerite Pkwy, Mission Viejo, CA 92692-2901.
- What is Caroline Oh's phone number?
- The practice phone number listed in the NPPES registry for Caroline Oh is (866) 389-2727.
- Does Caroline Oh accept Medicare?
- Caroline Oh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caroline Oh's NPI active?
- Yes — Caroline Oh's NPI (1184894974) is active in the NPPES registry as of the last update on 2016-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.