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

Dr. John P Ewing, MD

Individual provider Psychiatry Physician · NPI 1316008360

Dr. John P Ewing, MD is a Psychiatry in Washington Depot, Connecticut. Graduated from University of Texas Medical School at Houston in 1987, 39 years ago. Practices with Sterling Institute for Neuropsychiatry and Behavioral Med, a 9-clinician group and accepts Medicare assignment. Licensed in Connecticut.

Years since qualifying
39
Trained at
University of Texas Medical School at Houston
Licensed in
CT
In the registry since
2006
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 PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 560
Washington Depot, CT 06794-0560
Phone: (212) 639-9638
Fax: (860) 868-1288
Show map & directions

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

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 033949 (CT)
Psychiatry Physician Taxonomy 2084P0800X · Licence 33949 (CT)

Record details

NPI number1316008360
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 13, 2006
Last updated in NPPESApril 6, 2026
Certification dateApril 6, 2026
Mailing addressPo Box 560, Washington Depot, CT 06794-0560

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1987 (39 years in practice)
Group practice Sterling Institute For Neuropsychiatry And Behavioral Med — 9 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount