JACK MASUR
NPI 1346701562
Internal Medicine - Medical Oncology in Charlottesville, VA
About Jack Masur NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACK MASUR (NPI 1346701562) is an individual medical oncology provider in Charlottesville, Virginia, licensed in Virginia (0101286066) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with University Of Virginia Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Jack Masur 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 Jack Masur reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Charlottesville, VA 22911
- Reassigned Medicare billing, Virginia enrollment
- 2,820 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.
University Of Virginia Medical Center
Acute Care Hospitals · Charlottesville, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22908 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.
CHARLOTTESVILLE, VA 22908
CHARLOTTESVILLE, VA 22908
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 Jack Masur's NPI number?
The NPI number for Jack Masur is 1346701562. It was assigned to this individual provider in the NPPES registry on March 29, 2019.
Where is Jack Masur located?
Jack Masur practices at 1240 Lee St, Charlottesville, VA 22908. The listed phone number is (434) 924-9333.
What is Jack Masur's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Jack Masur enrolled in Medicare?
Yes. Jack Masur 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 Jack Masur's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jack Masur reassigns Medicare benefits to University Of Virginia Physicians Group (Charlottesville, 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 Jack Masur's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jack Masur accept?
Health plans from Oscar Health list Jack Masur 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 Jack Masur affiliated with any hospitals?
According to CMS data, Jack Masur is affiliated with University Of Virginia Medical Center.
When was this NPI record last updated?
The NPPES record for Jack Masur was last updated on September 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.
# Jack Masur · NPI 1346701562
Medical Oncology physician in Charlottesville, Virginia. Individual provider, active in the CMS NPPES registry since March 29, 2019.
## Identity
- **NPI:** 1346701562 (Entity type: Individual)
- **Enumerated:** March 29, 2019
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** 0101286066 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1240 LEE ST, Charlottesville, VA 22908-1544
- **Phone:** (434) 924-9333
## 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:** University Of Virginia Physicians Group (NPI 1033138250, Charlottesville, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** September 19, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1346701562) · Data from the CMS NPPES public registry.