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

Dr. Alan Ray Tesson Jr., MD

Individual provider Internal Medicine Physician · NPI 1902063662

Dr. Alan Ray Tesson Jr., MD is a Sleep Medicine in Fairfax, Virginia. Graduated from University of Florida College of Medicine in 2006, 20 years ago. Practices with Inova Health Care Services, a 1,827-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
20
Trained at
University of Florida College of Medicine
Licensed in
VA
In the registry since
2008
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3580 Joseph Siewick Dr Ste 206
Fairfax, VA 22033-1764
Phone: (703) 391-4500
Fax: (703) 391-4590
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 44045 Riverside Pkwy, Leesburg, VA 20176-5101 — (703) 858-6000

Specialties & licences

Sleep Medicine (Psychiatry & Neurology) Physician (primary) Taxonomy 2084S0012X · Licence 0101274057 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101274057 (VA)
Neurology Physician Taxonomy 2084N0400X · Licence 0101274057 (VA)

Record details

NPI number1902063662
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 20, 2008
Last updated in NPPESNovember 1, 2022
Certification dateNovember 1, 2022

Medicare enrollment

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

Medicare specialtySLEEP MEDICINE
Also practisesINTERNAL MEDICINE, NEUROLOGY
Medical schoolUNIVERSITY OF FLORIDA COLLEGE OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Inova Health Care Services — 1827 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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