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

Donald Thomas Hay, MD

Individual provider Urology Physician · NPI 1740288836

Donald Thomas Hay, MD is an Urology Physician in Concord, California. Licensed in California. Registered with an NPI since 2005.

Licensed in
CA
In the registry since
2005
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

2222 E St Ste 250
Concord, CA 94520-2084
Phone: (925) 689-6211
Fax: (925) 689-3857
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence A18121 (CA)

Record details

NPI number1740288836
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2005
Last updated in NPPESJuly 13, 2026

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