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

Robert R Witham, MD

Individual provider Internal Medicine Physician · NPI 1649296971

Robert R Witham, MD is an Internal Medicine in Olympia, Washington. Graduated from Oregon Health Sciences University School of Medicine in 1977, 49 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
49
Trained at
Oregon Health Sciences University School of Medicine
Licensed in
WA
In the registry since
2006
Specialties on file
3
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

3920 Capital Mall Dr SW Ste 100
Olympia, WA 98502-8701
Phone: (360) 753-4700
Fax: (360) 753-6700
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 MD00017298 (WA)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MD00017298 (WA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence MD00017298 (WA)

Record details

NPI number1649296971
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 13, 2006
Last updated in NPPESOctober 15, 2010
Mailing address3920 Capital Mall Dr Sw, Suite 100, Olympia, WA 98502-8701

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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