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

John Otto Louis Ludwig, MD

Individual provider Emergency Medicine Physician · NPI 1619322658

John Otto Louis Ludwig, MD is an Emergency Medicine in Portland, Oregon. Qualified in 2016, 10 years ago. Practices with Berkeley Emergency Medical Group Inc, a 41-clinician group and accepts Medicare assignment. Licensed in Oregon.

Years since qualifying
10
Licensed in
OR
In the registry since
2016
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

3181 SW Sam Jackson Park Rd
Portland, OR 97239-3098
Phone: (503) 494-7500
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 198259 (OR)

Record details

NPI number1619322658
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 27, 2016
Last updated in NPPESJune 30, 2020
Certification dateJune 30, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Berkeley Emergency Medical Group Inc — 41 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Portland