ROBERT SULLIVAN M.D.
NPI 1952455909
Internal Medicine - Nephrology in Orlando, FL
About Robert Sullivan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT SULLIVAN M.D. (NPI 1952455909) is an individual nephrology provider in Orlando, Florida, licensed in Florida (ME103826) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Orlando Health, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
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
Robert Sullivan M.d. 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 Robert Sullivan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orlando, FL 32806
- Reassigned Medicare billing, Florida enrollment
- 49 clinicians in this Medicare group
Longwood, FL 32779
- Reassigned Medicare billing, Florida enrollment
- 70 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 12
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.
Orlando Health
Acute Care Hospitals · Orlando, FLAdventhealth Orlando
Acute Care Hospitals · Orlando, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 32806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
ORLANDO, FL 32806
ORLANDO, FL 32806
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 Robert Sullivan's NPI number?
The NPI number for Robert Sullivan is 1952455909. It was assigned to this individual provider in the NPPES registry on January 23, 2007.
Where is Robert Sullivan located?
Robert Sullivan practices at 3885 Oakwater Cir, Orlando, FL 32806. The listed phone number is (407) 851-5600.
What is Robert Sullivan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Robert Sullivan enrolled in Medicare?
Yes. Robert Sullivan 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 Robert Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Sullivan reassigns Medicare benefits to 2 organizations: Central Florida Kidney Specialists Inc (Orlando, FL) and Nephrology Associates Of Central Florida, P.A. (Longwood, 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 Robert Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Sullivan accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, Ambetter of Alabama, AmeriHealth Caritas Next and Florida Blue (BlueCross BlueShield FL) and 4 other insurers list Robert Sullivan 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 Robert Sullivan affiliated with any hospitals?
According to CMS data, Robert Sullivan is affiliated with Orlando Health and Adventhealth Orlando.
When was this NPI record last updated?
The NPPES record for Robert Sullivan was last updated on September 30, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.