Maria Ambrosini, FNP
NPI 1750898441 · Nurse Practitioner · Ladera Ranch, CA
Maria Ambrosini, FNP is a Nurse Practitioner provider in Ladera Ranch, CA (NPI 1750898441).
Provider details
- NPI number
- 1750898441
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- AMBR-6FP0U6 (NC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
8 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.
$1,236 across 45 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
- 2018-01-04
- Last updated
- 2022-03-02
- Certified
- 2022-03-02
Frequently asked questions
- What is Maria Ambrosini's NPI number?
- Maria Ambrosini's National Provider Identifier (NPI) is 1750898441, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Ambrosini's specialty?
- Maria Ambrosini is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Ambrosini located?
- Maria Ambrosini's practice location on file with NPPES is 333 Corporate Dr Ste 200, Ladera Ranch, CA 92694-2179.
- What is Maria Ambrosini's phone number?
- The practice phone number listed in the NPPES registry for Maria Ambrosini is (949) 347-7200.
- Is Maria Ambrosini's NPI active?
- Yes — Maria Ambrosini's NPI (1750898441) is active in the NPPES registry as of the last update on 2022-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.