DR. SCOTT J SULLIVAN M.D.
NPI 1790733822
Radiology - Diagnostic Radiology in Greenwich, CT
About Dr. Scott J Sullivan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SCOTT J SULLIVAN M.D. (NPI 1790733822) is an individual diagnostic radiology provider in Greenwich, Connecticut, licensed in Connecticut (039001) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Physicians Regional Medical Center - Pine Ridge, and maintains a secondary practice location in Edina.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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 (PECOS)
Dr. Scott J Sullivan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
32Medicare enrollment records show Scott Sullivan reassigns Medicare billing to 32 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenwich, CT 06830
- Reassigned Medicare billing, Connecticut enrollment
- 14 clinicians in this Medicare group
Englewood, NJ 07631
- Reassigned Medicare billing, Connecticut enrollment
- 4 clinicians in this Medicare group
Elmhurst, NY 11373
- Reassigned Medicare billing, Connecticut enrollment
- 4 clinicians in this Medicare group
Mount Holly, NJ 08060
- Reassigned Medicare billing, Connecticut enrollment
- 4 clinicians in this Medicare group
Voorhees, NJ 08043
- Reassigned Medicare billing, Connecticut enrollment
- 4 clinicians in this Medicare group
Syracuse, NY 13210
- Reassigned Medicare billing, Connecticut enrollment
- 4 clinicians in this Medicare group
Owings Mills, MD 21117
- Reassigned Medicare billing, Connecticut enrollment
- 5 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Connecticut enrollment
- 4 clinicians in this Medicare group
Rochester, NY 14617
- Reassigned Medicare billing, Connecticut enrollment
- 3 clinicians in this Medicare group
Rochester, NY 14621
- Reassigned Medicare billing, Connecticut enrollment
- 3 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 84
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Physicians Regional Medical Center - Pine Ridge
Acute Care Hospitals · Naples, FLPikeville Medical Center
Acute Care Hospitals · Pikeville, KYWillis Knighton Medical Center
Acute Care Hospitals · Shreveport, LAWest Jersey Hospital
Acute Care Hospitals · Voorhees, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06830 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
GREENWICH, CT 06830
GREENWICH, CT 06830
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 Scott Sullivan's NPI number?
The NPI number for Scott Sullivan is 1790733822. It was assigned to this individual provider in the NPPES registry on May 4, 2006.
Where is Scott Sullivan located?
Scott Sullivan practices at 49 Lake Ave, Greenwich, CT 06830. The listed phone number is (203) 869-6220.
What is Scott Sullivan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Scott Sullivan enrolled in Medicare?
Yes. Scott Sullivan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Scott Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Scott Sullivan reassigns Medicare benefits to 32 organizations: Greenwich Radiological Group, PC (Greenwich, CT), Englewood Radiologic Group P A (Englewood, NJ), Icahn School Of Medicine At Mount Sinai (Elmhurst, NY), Radiology Associates Of Burlington County P A (Mount Holly, NJ), South Jersey Radiology Associates P A (Voorhees, NJ) and 27 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 Scott Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Scott Sullivan accept?
Health plans from Anthem Blue Cross and Blue Shield, Avera Health Plans, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Texas and 11 other insurers list Scott 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 Scott Sullivan affiliated with any hospitals?
According to CMS data, Scott Sullivan is affiliated with Physicians Regional Medical Center - Pine Ridge, Pikeville Medical Center, Willis Knighton Medical Center and West Jersey Hospital.
When was this NPI record last updated?
The NPPES record for Scott Sullivan was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Scott J Sullivan, M.D. · NPI 1790733822
Diagnostic Radiology physician in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since May 4, 2006.
## Identity
- **NPI:** 1790733822 (Entity type: Individual)
- **Enumerated:** May 4, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** 039001 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 49 LAKE AVE, Greenwich, CT 06830-4501
- **Phone:** (203) 869-6220 · **Fax:** (203) 869-2672
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 32 organizations under Medicare reassignment (form CMS-855R): Greenwich Radiological Group, PC (NPI 1932167830, Greenwich, CT); Englewood Radiologic Group P A (NPI 1639136914, Englewood, NJ); Icahn School Of Medicine At Mount Sinai (NPI 1619221686, Elmhurst, NY); Radiology Associates Of Burlington County P A (NPI 1255385183, Mount Holly, NJ); South Jersey Radiology Associates P A (NPI 1477551653, Voorhees, NJ); and 27 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 1991
## Record status
- **NPPES last updated:** December 5, 2025
- **Other identifiers:** Medicaid 001390012 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1790733822) · Data from the CMS NPPES public registry.