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

Douglas Krahn MD FACS APC

Organization Specialist · NPI 1396116794

Douglas Krahn MD FACS APC provides Specialist services in San Bernardino, California. Licensed in California. Registered with an NPI since 2015.

Licensed in
CA
In the registry since
2015
What do these letters mean?
APC — A professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

401 E Highland Ave Ste 351
San Bernardino, CA 92404-3803 Not confirmed with CMS for 10 years — call before visiting
Phone: (909) 475-8611
Fax: (909) 475-2566
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence A64325 (CA)

Record details

NPI number1396116794
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Douglas Krahn — President · (909) 475-8611
NPI enumeratedOctober 12, 2015
Last updated in NPPESOctober 12, 2015
Mailing address401 E Highland Ave, Suite 351, San Bernardino, CA 92404-3803

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