RITCHIE LEONARD AMBROISE MD
NPI 1255718045
Internal Medicine in Hollywood, FL
About Ritchie Leonard Ambroise Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RITCHIE LEONARD AMBROISE MD (NPI 1255718045) is an individual internal medicine provider in Hollywood, Florida, licensed in Florida (ME145468) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Memorial Regional Hospital, and maintains a secondary practice location in Olympia Fields.
NPPES Registry Identity
Specialties & Licenses 3
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
Ritchie Leonard Ambroise Md 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
7Medicare enrollment records show Ritchie Ambroise reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hollywood, FL 33021
- Reassigned Medicare billing, Florida enrollment
- 413 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Florida enrollment
- 861 clinicians in this Medicare group
North Miami Beach, FL 33169
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Trucare Inpatient Solutions LLC
- 13 clinicians in this Medicare group
North Miami Beach, FL 33169
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Oak Grove Physician Services PA
- 119 clinicians in this Medicare group
Tamarac, FL 33321
- Reassigned Medicare billing, Florida enrollment
- 5 clinicians in this Medicare group
Coral Springs, FL 33065
- Reassigned Medicare billing, Florida enrollment
- 105 clinicians in this Medicare group
Wellington, FL 33414
- Reassigned Medicare billing, Florida enrollment
- 265 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Regional Hospital
Acute Care Hospitals · Hollywood, FLDelray Medical Center
Acute Care Hospitals · Delray Beach, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33021 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.
HOLLYWOOD, FL 33021
HOLLYWOOD, FL 33021
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 Ritchie Ambroise's NPI number?
The NPI number for Ritchie Ambroise is 1255718045. It was assigned to this individual provider in the NPPES registry on April 30, 2015.
Where is Ritchie Ambroise located?
Ritchie Ambroise practices at 3501 Johnson St, Hollywood, FL 33021. The listed phone number is (354) 265-2000.
What is Ritchie Ambroise's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ritchie Ambroise enrolled in Medicare?
Yes. Ritchie Ambroise 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 Ritchie Ambroise's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ritchie Ambroise reassigns Medicare benefits to 7 organizations: Eastside Hospitalists Inc (Hollywood, FL), Hospital Medicine Services Of Fl, LLC (Aventura, FL), Public Health Trust Of Miami Dade County Florida (North Miami Beach, FL), Oak Grove Physician Services, P.A. (North Miami Beach, FL), 121healthcare Services ,llc (Tamarac, FL) and 2 more organizations, listed in the Medicare section above. 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 Ritchie Ambroise's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ritchie Ambroise accept?
Health plans from Molina Healthcare, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Ritchie Ambroise 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 Ritchie Ambroise affiliated with any hospitals?
According to CMS data, Ritchie Ambroise is affiliated with Memorial Regional Hospital and Delray Medical Center.
When was this NPI record last updated?
The NPPES record for Ritchie Ambroise was last updated on February 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ritchie Leonard Ambroise, MD · NPI 1255718045
Internal Medicine physician in Hollywood, Florida. Individual provider, active in the CMS NPPES registry since April 30, 2015.
## Identity
- **NPI:** 1255718045 (Entity type: Individual)
- **Enumerated:** April 30, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** ME145468 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 3501 JOHNSON ST, Hollywood, FL 33021-5421
- **Phone:** (354) 265-2000
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Eastside Hospitalists Inc (NPI 1285676957, Hollywood, FL); Hospital Medicine Services Of Fl, LLC (NPI 1710684857, Aventura, FL); Public Health Trust Of Miami Dade County Florida (NPI 1104857119, North Miami Beach, FL); Oak Grove Physician Services, P.A. (NPI 1689446700, North Miami Beach, FL); 121healthcare Services ,llc (NPI 1831765528, Tamarac, FL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** February 7, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1255718045) · Data from the CMS NPPES public registry.