JAMES P MACNAMARA M.D.
NPI 1851735567
Internal Medicine - Cardiovascular Disease in Charlottesville, VA
About James P Macnamara M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES P MACNAMARA M.D. (NPI 1851735567) is an individual cardiovascular disease provider in Charlottesville, Virginia, licensed in Virginia (0101285759) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., and is a graduate of University Of Virginia School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses
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
James P Macnamara 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 James Macnamara reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charlottesville, VA 22911
- Reassigned Medicare billing, Virginia enrollment
- 2,820 clinicians in this Medicare group
Tyler, TX 75701
- Reassigned Medicare billing, Texas enrollment
- 5,299 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ut Southwestern University Hospital - William P. Clements Jr.
Acute Care Hospitals · Dallas, TXSentara Rmh Medical Center
Acute Care Hospitals · Harrisonburg, VAUniversity Of Virginia Medical Center
Acute Care Hospitals · Charlottesville, VAAugusta Health
Acute Care Hospitals · Fishersville, VASentara Martha Jefferson Hospital
Acute Care Hospitals · Charlottesville, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22903 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.
CHARLOTTESVILLE, VA 22903
CHARLOTTESVILLE, VA 22903
CHARLOTTESVILLE, VA 22903
CHARLOTTESVILLE, VA 22903
CHARLOTTESVILLE, VA 22903
CHARLOTTESVILLE, VA 22903
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 James Macnamara's NPI number?
The NPI number for James Macnamara is 1851735567. It was assigned to this individual provider in the NPPES registry on April 24, 2013.
Where is James Macnamara located?
James Macnamara practices at 500 Ray C Hunt Dr, Charlottesville, VA 22903. The listed phone number is (434) 243-1000.
What is James Macnamara's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is James Macnamara enrolled in Medicare?
Yes. James Macnamara 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 James Macnamara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Macnamara reassigns Medicare benefits to 2 organizations: University Of Virginia Physicians Group (Charlottesville, VA) and The University Of Texas Southwestern Medical Center At Dallas (Tyler, TX). 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 James Macnamara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Macnamara accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Health list James Macnamara 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 James Macnamara affiliated with any hospitals?
According to CMS data, James Macnamara is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., Sentara Rmh Medical Center, University Of Virginia Medical Center, Augusta Health and Sentara Martha Jefferson Hospital.
When was this NPI record last updated?
The NPPES record for James Macnamara was last updated on July 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.