DR. JOHN T HART M.D.
NPI 1548383532
General Practice in Ashburn, VA
About Dr. John T Hart M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN T HART M.D. (NPI 1548383532) is an individual general practice provider in Ashburn, Virginia, licensed in Virginia (0101058140) and active in the NPI registry since April 2007. He has opted out of Medicare through February 4, 2027 and remains eligible to order and refer.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Opted out of Medicare
Dr. John T Hart M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from February 4, 2013 through February 4, 2027.
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.
ASHBURN, VA 20147
ASHBURN, VA 20147
ASHBURN, VA 20147
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 John Hart's NPI number?
The NPI number for John Hart is 1548383532. It was assigned to this individual provider in the NPPES registry on April 6, 2007.
Where is John Hart located?
John Hart practices at 20925 Professional Plz Suite 100, Ashburn, VA 20147. The listed phone number is (703) 724-9694.
What is John Hart's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is John Hart enrolled in Medicare?
No. John Hart has opted out of Medicare through February 4, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.
When was this NPI record last updated?
The NPPES record for John Hart was last updated on September 11, 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.