MARK R MCMAHON MD
NPI 1497764435
Orthopaedic Surgery in Fairfax, VA

Active since August 07, 2006
3620 JOSEPH SIEWICK DR, SUITE 100, FAIRFAX, VA 22033(703) 810-5223(703) 810-5403 Get Directions Write a Review

NPPES record last updated: October 28, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mark R Mcmahon Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK R MCMAHON MD (NPI 1497764435) is an individual orthopaedic surgery provider in Fairfax, Virginia, licensed in Virginia (0101049426) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1497764435
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameMARK R MCMAHONCredential: MD
Location Address3620 JOSEPH SIEWICK DR, SUITE 100Fairfax, VA 22033-1757
Mailing AddressPo Box 75420Baltimore, MD 21275-5420 · (703) 383-6469
Fax(703) 810-5403
Sole ProprietorNo
Enumeration DateAugust 7, 2006
Last NPPES UpdateOctober 28, 2020
NPPES CertifiedOctober 28, 2020
NPI 1497764435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in VA · 0101049426
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
3620 JOSEPH SIEWICK DR, Fairfax, VA 22033

Other Identifiers 1

Medicaid6409881VA

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.

Obstetrics & Gynecology
3620 JOSEPH SIEWICK DR, 400
FAIRFAX, VA 22033
Nurse Practitioner (Adult Health)
3620 JOSEPH SIEWICK DR, SUITE 307
FAIRFAX, VA 22033
Physician Assistant (Medical)
3620 JOSEPH SIEWICK DR, STE 100
FAIRFAX, VA 22033
Podiatrist (Foot & Ankle Surgery)
3620 JOSEPH SIEWICK DR, 303
FAIRFAX, VA 22033
Orthopaedic Surgery
3620 JOSEPH SIEWICK DR, SUITE 100
FAIRFAX, VA 22033
Internal Medicine (Rheumatology)
3620 JOSEPH SIEWICK DR, SUITE 401
FAIRFAX, VA 22033
Internal Medicine
3620 JOSEPH SIEWICK DR, SUITE 306
FAIRFAX, VA 22033
Physical Therapist
3620 JOSEPH SIEWICK DR, SUITE 201
FAIRFAX, VA 22033

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 Mark Mcmahon's NPI number?

The NPI number for Mark Mcmahon is 1497764435. It was assigned to this individual provider in the NPPES registry on August 7, 2006.

Where is Mark Mcmahon located?

Mark Mcmahon practices at 3620 Joseph Siewick Dr Suite 100, Fairfax, VA 22033. The listed phone number is (703) 810-5223.

What is Mark Mcmahon's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

When was this NPI record last updated?

The NPPES record for Mark Mcmahon was last updated on October 28, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.