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

Dagmara Olsen, MD

Individual provider Internal Medicine Physician · NPI 1356912059

Dagmara Olsen, MD is an Internal Medicine in Pico Rivera, California. Qualified in 2006, 20 years ago. Practices with The Roads Foundation, Inc, a 58-clinician group and accepts Medicare assignment. Licensed in California and Mississippi.

Years since qualifying
20
Licensed in
CA, MS
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

8337 Telegraph Rd Ste 102
Pico Rivera, CA 90660-4933
Phone: (562) 445-3181
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 193842 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence T-4368 (MS)

Record details

NPI number1356912059
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 5, 2021
Last updated in NPPESJuly 15, 2025
Certification dateJuly 15, 2025
Mailing address8337 Telegraph Rd Ste 102, Pico Rivera, CA 90660-4933

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice The Roads Foundation, Inc — 58 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Pico Rivera