DR. MARK S. SINESI MD
NPI 1396712923
Radiology - Radiation Oncology in Norfolk, VA
About Dr. Mark S. Sinesi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK S. SINESI MD (NPI 1396712923) is an individual radiation oncology provider in Norfolk, Virginia, licensed in Virginia (0101042424) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Sentara Norfolk General Hospital, and is a graduate of Boston University School Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 18
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
Dr. Mark S. Sinesi 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 Reassignment
Medicare enrollment records show Mark Sinesi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norfolk, VA 23508
- Reassigned Medicare billing, Virginia enrollment
- 267 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sentara Norfolk General Hospital
Acute Care Hospitals · Norfolk, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23507 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.
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.
NORFOLK, VA 23507
NORFOLK, VA 23507
NORFOLK, VA 23507
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 Mark Sinesi's NPI number?
The NPI number for Mark Sinesi is 1396712923. It was assigned to this individual provider in the NPPES registry on March 2, 2006.
Where is Mark Sinesi located?
Mark Sinesi practices at 600 Gresham Dr, Norfolk, VA 23507. The listed phone number is (757) 388-2075.
What is Mark Sinesi's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Mark Sinesi enrolled in Medicare?
Yes. Mark Sinesi 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 organization bills Medicare for Mark Sinesi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Sinesi reassigns Medicare benefits to Evms Academic Physicians And Surgeons Health Services Foundation (Norfolk, VA). The 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 Mark Sinesi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Sinesi accept?
Health plans from Cigna Healthcare list Mark Sinesi 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 Mark Sinesi affiliated with any hospitals?
According to CMS data, Mark Sinesi is affiliated with Sentara Norfolk General Hospital.
When was this NPI record last updated?
The NPPES record for Mark Sinesi was last updated on November 25, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. Mark S. Sinesi, MD · NPI 1396712923
Radiation Oncology physician in Norfolk, Virginia. Individual provider, active in the CMS NPPES registry since March 2, 2006.
## Identity
- **NPI:** 1396712923 (Entity type: Individual)
- **Enumerated:** March 2, 2006
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** 0101042424 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 GRESHAM DR, Norfolk, VA 23507-1904
- **Phone:** (757) 388-2075 · **Fax:** (757) 627-0334
## 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:** Evms Academic Physicians And Surgeons Health Services Foundation (NPI 1003887118, Norfolk, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 1986
## Record status
- **NPPES last updated:** November 25, 2009
- **Other identifiers:** Other PAR (VA); Other PAR (VA); Other 185900 (VA); and 15 more
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Source: [NPI Profile](https://npiprofile.com/npi/1396712923) · Data from the CMS NPPES public registry.