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

De-Ann R Williams, MD

Individual provider Internal Medicine Physician · NPI 1699114843

De-Ann R Williams, MD is an Internal Medicine in Yakima, Washington. Qualified in 2007, 19 years ago. Practices with Yakima Valley Memorial Physicians, a 401-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
19
Licensed in
WA
In the registry since
2013
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

1470 N 16th Ave
Yakima, WA 98902
Phone: (509) 574-6000
Fax: (509) 225-2714
Show map & directions

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

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence MD60803850 (WA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD60803850 (WA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1699114843
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 20, 2013
Last updated in NPPESOctober 22, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesRHEUMATOLOGY
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Yakima Valley Memorial Physicians — 401 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Yakima