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

Alyson R Severino, ACNP

Individual provider Acute Care Nurse Practitioner · NPI 1437418563

Alyson R Severino, ACNP is a Nurse Practitioner in Leesburg, Virginia. Graduated from Johns Hopkins University School of Medicine in 2011, 15 years ago. Practices with Commonwealth Critical Care LLC, a 25-clinician group, works from 7 locations and accepts Medicare assignment. Licensed in District of Columbia and Virginia.

Years since qualifying
15
Trained at
Johns Hopkins University School of Medicine
Licensed in
DC, VA
In the registry since
2012
Specialties on file
2
What do these letters mean?
ACNP — Acute Care Nurse Practitioner
A nurse practitioner who treats acutely ill patients, usually in hospital.

See every abbreviation used in this directory →

Practice location Address checks out

44045 Riverside Pkwy
Leesburg, VA 20176-5101
Phone: (703) 858-6000
Fax: (703) 858-6900
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (6)

  • 110 Irving St Nw # 424b, Washington, DC 20010-3017 — (202) 877-7259
  • 4320 Seminary Rd, Alexandria, VA 22304-1535 — (703) 504-3000
  • 3600 Joseph Siewick Dr, Fairfax, VA 22033-1709 — (703) 391-3600
  • 3300 Gallows Rd, Falls Church, VA 22042-3307 — (703) 776-4001
  • 44055 Riverside Pkwy Ste 238, Leesburg, VA 20176-5178 — (703) 359-8640
  • 44045 Riverside Pkwy Ste 100, Leesburg, VA 20176-5101 — (703) 858-8878

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 0024176872 (VA)
Acute Care Nurse Practitioner Taxonomy 363LA2100X · Licence RN1014594 (DC)

Record details

NPI number1437418563
Entity typeIndividual (Type 1)
GenderFemale
Credentials ACNP
Sole proprietorNo
NPI enumeratedMay 9, 2012
Last updated in NPPESJuly 18, 2022
Certification dateJuly 18, 2022

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Commonwealth Critical Care Llc — 25 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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