Timothy A Davidson, MD

Pulmonary Disease Internal Medicine

Internal Medicine

Also practices: CRITICAL CARE (INTENSIVISTS)

(509) 522-5940Walla Walla, WA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

With over 34 years in internal medicine, Timothy a Davidson, MD is a long-established pulmonologist in Walla Walla. A Oregon Health Sciences University School of Medicine graduate since 1992, he brings 34+ years of experience. CMS Medicare data shows his patients commonly have hypertension, high cholesterol, and COPD.

1 of 116 Internal Medicine providers in WASee all Internal Medicine in Walla Walla34+ years experienceNPI since 2006

Older · 1822dNPPES updated 2021-05-10 · verify on CMS

Contact & Location

Practice Location

401 W Poplar, Walla Walla, WA 99362

Fax: (509) 522-5744
CMS Clinical Data

How Does This Doctor Compare?

Generic Rx

↑ Higher = better

35.4%

Washington avg: 85.1 · US avg: 82.8

Lower than most doctors nationally(-47.4 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

449

Unique beneficiaries

Standard volume

Prescription Recipients

175

Patients prescribed

Prescriptions Written

1,223

Total claims

Total Medicare drug cost: $758k

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.

Patient Condition Panel

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 Hypertension, High Cholesterol, and COPD.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

High Cholesterol
Higher than avg (+1%)71%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+1%) — a focus area for this doctor

COPD
Higher than avg (+33%)53%

Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow

US avg: 20.4%

↑ More patients than average (+33%) — a focus area for this doctor

Arthritis
Higher than avg (+4%)53%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+4%) — a focus area for this doctor

Diabetes
Higher than avg (+3%)37%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+3%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+4%)36%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↑ More patients than average (+4%) — a focus area for this doctor

Heart Failure
Higher than avg (+13%)35%

The heart cannot pump blood efficiently enough to meet the body's needs

US avg: 22.5%

↑ More patients than average (+13%) — a focus area for this doctor

Chronic Kidney Disease
Higher than avg (+2%)32%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↑ More patients than average (+2%) — a focus area for this doctor

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1992

    Oregon Health Sciences University School of Medicine

  2. Board certified · May 9, 2021

    CMS-verified certification date

  3. 34 years in practice

    Senior practitioner

Internal MedicinePulmonary Disease in Walla WallaAllopathic & Osteopathic Physicians

Pulmonologists specialize in respiratory conditions including asthma, COPD, pneumonia, pulmonary fibrosis, sleep apnea, and lung cancer screening. They manage patients on ventilators and perform bronchoscopies.

Taxonomy: 207RP1001X

Education & Training

Oregon Health Sciences University School of Medicine (Class of 1992)

Practice Footprint

Mailing address

Po Box 34439, Seattle, WA 98124-1439

Differs from practice location

Virtual Pulmonary Disease Care With Timothy a Davidson

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Timothy a Davidson for blood pressure monitoring, cholesterol management, COPD management — no travel to Walla Walla 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 Timothy a Davidson

Dr. Davidson is listed as active in the NPI registry with telehealth listed in Walla Walla, WA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (509) 522-5940.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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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.

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