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

Dr. Douglas James Ammerman, MD

Individual provider Hospitalist Physician · NPI 1740622604

Dr. Douglas James Ammerman, MD is a Hospitalist Physician in Medford, Oregon. Licensed in Oregon. Registered with an NPI since 2013.

Licensed in
OR
In the registry since
2013
Specialties on file
2
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

1111 Crater Lake Ave
Medford, OR 97504-6241
Phone: (541) 732-5545
Fax: (541) 732-5548
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X
Hospitalist Physician Taxonomy 208M00000X · Licence MD212217 (OR)

Record details

NPI number1740622604
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2013
Last updated in NPPESJanuary 4, 2023
Certification dateJanuary 4, 2023

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