Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Carolyn Joy Mason, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1588806137

Dr. Carolyn Joy Mason, MD practises Obstetrics/Gynecology in Manassas, Virginia. Graduated from University of Pittsburgh School of Medicine in 2009, 17 years ago. Practices with Obhg Virginia LLC, a 50-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
17
Trained at
University of Pittsburgh School of Medicine
Licensed in
VA
In the registry since
2009
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8700 Sudley Rd
Manassas, VA 20110-4418
Phone: (703) 369-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 9304 Forest Point Cir, Manassas, VA 20110-4700 — (703) 368-1969

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 0101253596 (VA)

Record details

NPI number1588806137
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2009
Last updated in NPPESJuly 18, 2023
Certification dateJuly 18, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Obhg Virginia Llc — 50 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $29 1 payment · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Obhg Virginia LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 50 clinicians in the practice; 12 are shown here.

Other providers in Manassas