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

John R Harris, MD

Individual provider Sleep Medicine (Otolaryngology) Physician · NPI 1164517421

John R Harris, MD is a Sleep Medicine (Otolaryngology) Physician in Concord, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

2540 E St
Concord, CA 94520-1906
Phone: (925) 753-1986
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Otolaryngology) Physician (primary) Taxonomy 207YS0012X · Licence A20806 (CA)

Record details

NPI number1164517421
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 4, 2006
Last updated in NPPESJuly 8, 2007
Mailing addressPo Box 30012, Walnut Creek, CA 94598-9012