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

John J. Moynihan, MD

Individual provider Surgery Physician · NPI 1932195914

John J. Moynihan, MD is a General Surgery in Fairfax, Virginia. Graduated from Georgetown University School of Medicine in 1980, 46 years ago. Practices with Inova Health Care Services, a 1,827-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
46
Trained at
Georgetown University School of Medicine
Licensed in
VA
In the registry since
2005
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

3620 Joseph Siewick Dr Ste 406
Fairfax, VA 22033-1756
Phone: (703) 359-8640
Fax: (703) 591-6105
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 0101033952 (VA)

Record details

NPI number1932195914
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 23, 2005
Last updated in NPPESNovember 27, 2023
Certification dateOctober 21, 2020
Mailing address3620 Joseph Siewick Dr, Suite 406, Fairfax, VA 22033-1756

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Inova Health Care Services — 1827 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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