GREGORY OLIVA
NPI 1619619020
Emergency Medicine in Aventura, FL
About Gregory Oliva NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY OLIVA (NPI 1619619020) is an individual emergency medicine provider in Aventura, Florida, licensed in Florida (OS23398) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Aventura Hospital, and maintains a secondary practice location in Hialeah.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Gregory Oliva 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
3Medicare enrollment records show Gregory Oliva reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 1,912 clinicians in this Medicare group
New Britain, CT 06052
- Reassigned Medicare billing, Connecticut enrollment
- 745 clinicians in this Medicare group
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- 1,333 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Florida Aventura Hospital
Acute Care Hospitals · Aventura, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33180 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
AVENTURA, FL 33180
AVENTURA, FL 33180
AVENTURA, FL 33180
AVENTURA, FL 33180
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 Gregory Oliva's NPI number?
The NPI number for Gregory Oliva is 1619619020. It was assigned to this individual provider in the NPPES registry on April 7, 2022.
Where is Gregory Oliva located?
Gregory Oliva practices at 20900 Biscayne Blvd, Aventura, FL 33180. The listed phone number is (305) 682-7000.
What is Gregory Oliva's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gregory Oliva enrolled in Medicare?
Yes. Gregory Oliva 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 Gregory Oliva's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Oliva reassigns Medicare benefits to 3 organizations: Emergency Medicine Services Of Fl, LLC (Aventura, FL), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT) and Hartford Hospital (Hartford, CT). 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 Gregory Oliva's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Oliva accept?
Health plans from Oscar Health Maintenance Organization of Florida list Gregory Oliva 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.
Is Gregory Oliva affiliated with any hospitals?
According to CMS data, Gregory Oliva is affiliated with Hca Florida Aventura Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Oliva was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Gregory Oliva · NPI 1619619020
Emergency Medicine physician in Aventura, Florida. Individual provider, active in the CMS NPPES registry since April 7, 2022.
## Identity
- **NPI:** 1619619020 (Entity type: Individual)
- **Enumerated:** April 7, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** OS23398 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 20900 BISCAYNE BLVD, Aventura, FL 33180-1407
- **Phone:** (305) 682-7000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Emergency Medicine Services Of Fl, LLC (NPI 1043917180, Aventura, FL); The Hospital Of Central Connecticut At New Britain General And Bradley (NPI 1053477075, New Britain, CT); Hartford Hospital (NPI 1407806391, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1619619020) · Data from the CMS NPPES public registry.