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

Dr. John Thomas Carr, MD

Individual provider Addiction Psychiatry Physician · NPI 1992956601

Dr. John Thomas Carr, MD is a Psychiatry in Silver Spring, Maryland. Graduated from University of Mississippi School of Medicine in 1989, 37 years ago. Licensed in District of Columbia and Maryland.

Years since qualifying
37
Trained at
University of Mississippi School of Medicine
Licensed in
DC, MD
In the registry since
2008
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

1003 Spring St Kolmac Clinic
Silver Spring, MD 20910-4016
Phone: (301) 589-0255
Fax: (301) 589-0291
Show map & directions

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

Specialties & licences

Addiction Psychiatry Physician (primary) Taxonomy 2084P0802X · Licence D45444 (MD)
Addiction Psychiatry Physician Taxonomy 2084P0802X · Licence MD 036634 (DC)

Record details

NPI number1992956601
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 1, 2008
Last updated in NPPESOctober 1, 2008
Mailing address1003 Spring St, Kolmac Clinic, Silver Spring, MD 20910-4016

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare