SearchCaliforniaInternal Medicine Physician

Douglas Hay, MD

NPI 1386690980 · on the registry since 2006

Practice

Address
1300 E Cooley Dr
Colton, CA 92324
Phone
(909) 370-4100
Fax
(909) 796-4158
Organisation at this address
Beaver Medical Group Lp
Beaver Medical Group P C
Depatment Of Behavioral Health
Inferred from a shared address, not stated in the registry.
Clinicians at this address
20

Registry record

Primary taxonomy
Internal Medicine Physician
207R00000X
Licence states on file
CA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California