De-Ann R Williams, M.D.
Rheumatology Internal Medicine
De-Ann R Williams is a Rheumatology Internal Medicine specialist based in Yakima, WA with over 19 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: RHEUMATOLOGY
De-Ann R Williams, M.D. specializes in internal medicine, serving patients in Yakima, WA in group practice. With 19+ years of experience, she has been practicing in the Yakima area. Among her Medicare patients, common conditions include arthritis, hypertension, and high cholesterol (per CMS data). CMS MIPS quality score: 88.39/100 (2023).
At a glance
- Federal MIPS score higher than 41% of MIPS-scored doctors in Washington
- Virtual visits available — no app or travel required
Older · 2406dNPPES updated 2019-10-22 · verify NPI on CMS · Verify license at Washington Medical Commission
Contact & Location
Practice Location
1470 N 16th Ave, Yakima, WA 98902
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Washington.
MIPS Score
202388.39/100
Washington avg: 87.4 · US avg: 83.6
✓ Higher than most doctors nationally(+4.8 pts)
Average range among MIPS-scored doctors in WashingtonHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
258
Unique beneficiaries
Standard volumePrescription Recipients
269
Patients prescribed
Prescriptions Written
1,700
Total claims
Total Medicare drug cost: $4.09M
Percentile rankings compared against 1,521 reporting peers in Washington.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages Arthritis, Hypertension, and High Cholesterol.
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+26%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-4%) — less common here
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↓ Fewer patients than average (-8%) — less common here
Weakened bones that are more prone to fractures, common in older adults
US avg: 18.1%↑ More patients than average (+6%) — a focus area for this doctor
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-12%) — less common here
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-12%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$19 received from industry
1 transaction reported in 2024 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to De-Ann R Williams's NPI.
Patient Reviews
No patient reviews yet. If you've seen De-Ann R Williams, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
19 years in practice
Experienced
Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.
Taxonomy: 207RR0500X
Mailing address
3800 Summitview Ave, Yakima, WA 98902-2715
Differs from practice location
Virtual Internal Medicine Care With De-Ann R Williams
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with De-Ann R Williams for arthritis follow-ups, blood pressure monitoring, cholesterol management — no travel to Yakima required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about De-Ann R Williams
Dr. Williams is listed as active in the NPI registry with telehealth listed in Yakima, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (509) 574-6000.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact De-Ann R Williams
Practice Location
1470 N 16th Ave, Yakima, WA 98902
Mailing Address
3800 Summitview Ave, Yakima, WA 98902-2715
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers
Rheumatology Internal Medicine in Washington
See allSheldon R Rosen, M.D.
Seattle, WA
Robert Iver Hustrulid, M.D.
Spokane, WA
Richard Alan Kirkpatrick, M.D.
Longview, WA