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

Individual provider Hematology & Oncology Physician · NPI 1275548760

Richard Thomas Maziarz, MD is a Hematology/Oncology in Portland, Oregon. Graduated from Harvard Medical School in 1979, 47 years ago. Practices with University Professional Services, a 1,704-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.

Years since qualifying
47
Trained at
Harvard Medical School
Licensed in
OR
In the registry since
2006
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

3181 SW Sam Jackson Park Rd Mail Code UHN73C
Portland, OR 97239-3011
Phone: (503) 494-4606
Fax: (503) 494-1552
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD17664 (OR)

Record details

NPI number1275548760
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 31, 2006
Last updated in NPPESAugust 15, 2007

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE, MEDICAL ONCOLOGY
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 1979 (47 years in practice)
Group practice University Professional Services — 1704 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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