Timothy Davidson, MD
NPI 1124032511 · Pulmonary Disease Physician · Walla Walla, WA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Davidson, MD is a Pulmonary Disease Physician provider in Walla Walla, WA (NPI 1124032511).
Provider details
- NPI number
- 1124032511
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00032527 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,241 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 294 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 231 | $127 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 215 | $90 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 122 | $9 |
| Test to Measure Expiratory Airflow and Volume94010 | 108 | $8 |
| Test to Determine Lung Volumes Using Sensors |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azithromycin | 145 | 39 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 136 | 47 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 132 | 36 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 120 | 24 |
| Prednisone | 74 | 33 |
| Montelukast Sodium | 61 | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2021-05-10
- Certified
- 2021-05-10
Frequently asked questions
- What is Timothy Davidson's NPI number?
- Timothy Davidson's National Provider Identifier (NPI) is 1124032511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Davidson's specialty?
- Timothy Davidson is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Davidson located?
- Timothy Davidson's practice location on file with NPPES is 401 W Poplar, Walla Walla, WA 99362.
- What is Timothy Davidson's phone number?
- The practice phone number listed in the NPPES registry for Timothy Davidson is (509) 522-5940.
- Does Timothy Davidson accept Medicare?
- Timothy Davidson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Davidson's NPI active?
- Yes — Timothy Davidson's NPI (1124032511) is active in the NPPES registry as of the last update on 2021-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.