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

Alexandra L Messerli, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1992142939

Alexandra L Messerli, MD is an Internal Medicine in Williston, Vermont. Graduated from University of Vermont College of Medicine in 2013, 13 years ago. Practices with University of Vermont Medical Center Inc, a 1,202-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Vermont.

Years since qualifying
13
Trained at
University of Vermont College of Medicine
Licensed in
VT
In the registry since
2013
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

353 Blair Park Rd
Williston, VT 05495-7530
Phone: (802) 847-1470
Fax: (802) 847-7135
Show map & directions

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

Additional practice locations (2)

  • 111 Colchester Ave, Burlington, VT 05401 — (802) 847-7911
  • 792 College Pkwy Ste 205, Colchester, VT 05446-3052 — (802) 847-1111

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 042.0013838 (VT)

Record details

NPI number1992142939
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2013
Last updated in NPPESJuly 21, 2022
Mailing address353 Blair Park Rd, Williston, VT 05495-7530

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF VERMONT COLLEGE OF MEDICINE
Graduated 2013 (13 years in practice)
Group practice University Of Vermont Medical Center Inc — 1202 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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