Internal Medicine

Dr. Douglas G. Chang, MD


Douglas Chang practices Internal Medicine. He accepts Medicare payments and is registered with Medicare.gov.



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Drug Facts


NPI NUMBER   1295766889
NPPES Provider LastName   CHANG
NPPES Provider FirstName   DOUGLAS
NPPES Provider ZIPCode   926102842
NPPES Provider State   CA
Specialty Description   Neurology
Total Claim Count   64.0
Distinct Opioid Count   0.0
Opioid Claim Count   0.0
Percent Opioid Claims   0.0

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Medicare Facts


National Provider Identifier [NPI] 1295766889
Last Name Of The Provider CHANG
First Name Of The Provider DOUGLAS
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