MS. MARIANA CRISTINA O'NEILL APRN, FNP-BC
NPI 1679043566
Nurse Practitioner - Family in Hialeah, FL
About Ms. Mariana Cristina O'neill Aprn, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARIANA CRISTINA O'NEILL APRN, FNP-BC (NPI 1679043566) is an individual family provider in Hialeah, Florida, licensed in Florida (11000403) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ms. Mariana Cristina O'neill Aprn, Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Mariana O'neill reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hialeah, FL 33012
- Reassigned Medicare billing, Florida enrollment
- 570 clinicians in this Medicare group
Miami, FL 33186
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HIALEAH, FL 33016
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mariana O'neill's NPI number?
The NPI number for Mariana O'neill is 1679043566. It was assigned to this individual provider in the NPPES registry on December 4, 2018.
Where is Mariana O'neill located?
Mariana O'neill practices at 7150 W 20th Ave Ste 612, Hialeah, FL 33016. The listed phone number is (305) 827-1561.
What is Mariana O'neill's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mariana O'neill enrolled in Medicare?
Yes. Mariana O'neill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mariana O'neill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariana O'neill reassigns Medicare benefits to 2 organizations: Public Health Trust Of Miami Dade County Florida (Hialeah, FL) and Brian M. Silver, D.C., P.A. (Miami, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mariana O'neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mariana O'neill accept?
Health plans from AmeriHealth Caritas Next, Cigna HealthCare of Florida, Inc. and Cigna Healthcare list Mariana O'neill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mariana O'neill was last updated on January 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ms. Mariana Cristina O'neill, APRN, FNP-BC · NPI 1679043566
Family physician in Hialeah, Florida. Individual provider, active in the CMS NPPES registry since December 4, 2018.
## Identity
- **NPI:** 1679043566 (Entity type: Individual)
- **Enumerated:** December 4, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 11000403 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 7150 W 20TH AVE STE 612, Hialeah, FL 33016-5534
- **Phone:** (305) 827-1561
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Public Health Trust Of Miami Dade County Florida (NPI 1841149093, Hialeah, FL); Brian M. Silver, D.C., P.A. (NPI 1063557361, Miami, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** January 16, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1679043566) · Data from the CMS NPPES public registry.