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

Dr. Alexander Michael Johnston, MD

Individual provider Surgery Physician · NPI 1356785604

Dr. Alexander Michael Johnston, MD is a General Surgery in Winchester, Virginia. Qualified in 2013, 13 years ago. Practices with Guthrie Medical Group PC, a 797-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
13
Licensed in
VA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

190 Campus Blvd Ste 310
Winchester, VA 22601-2872
Phone: (540) 536-0130
Fax: (540) 536-0140
Show map & directions

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

Additional practice locations (2)

  • 1 Guthrie Square, Sayre, PA 18840 — (570) 887-3585
  • 1840 Amherst St, Winchester, VA 22601-2808 — (540) 536-8000

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 0101266985 (VA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1356785604
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 17, 2013
Last updated in NPPESJune 10, 2021
Certification dateJune 10, 2021
Mailing address220 Campus Blvd Ste 100, Winchester, VA 22601-2896

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Guthrie Medical Group Pc — 797 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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