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

MS. Mary Alexis Steimer, NP

Individual provider Adult Health Nurse Practitioner · NPI 1669713368

MS. Mary Alexis Steimer, NP is a Nurse Practitioner in Fairfax, Virginia. Graduated from Emory University School of Medicine in 2012, 14 years ago. Practices with Inova Health Care Services, a 1,827-clinician group, works from 9 locations, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
14
Trained at
Emory University School of Medicine
Licensed in
VA
In the registry since
2013
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

8081 Innovation Park Dr
Fairfax, VA 22031-4867
Phone: (571) 472-4724
Fax: (571) 472-0241
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (8)

  • 1800 N Beauregard St Ste 210, Alexandria, VA 22311-1735 — (703) 933-8125
  • 1800 N Beauregard St Ste 350, Alexandria, VA 22311-1725 — (703) 933-8125
  • 8501 Arlington Blvd Ste 340, Fairfax, VA 22031-4625 — (703) 207-0733
  • 3580 Joseph Siewick Dr Ste 403, Fairfax, VA 22033-1764 — (703) 620-1144
  • 3600 Joseph Siewick Dr, Fairfax, VA 22033-1709 — (703) 391-3600
  • 8505 Arlington Blvd Ste 140, Fairfax, VA 22031-4636 — (703) 970-6430
  • 3300 Gallows Rd, Falls Church, VA 22042-3300 — (703) 776-4001
  • 44055 Riverside Pkwy Ste 108, Leesburg, VA 20176-5179 — (703) 858-8600

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 0024170715 (VA)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence 0024170715 (VA)

Record details

NPI number1669713368
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMarch 6, 2013
Last updated in NPPESMay 10, 2022
Certification dateMay 10, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolEMORY UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Inova Health Care Services — 1827 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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