TIMOTHY A DAVIDSON MD
NPI 1124032511
Internal Medicine - Pulmonary Disease in Walla Walla, WA

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RP1001X and a focus in Pulmonary Disease.

Active since July 28, 2006PECOS EnrolledAccepts Medicare Assignment

401 W POPLAR, WALLA WALLA, WA 99362(509) 522-5940(509) 522-5744 Get Directions Write a Review

NPPES record last updated: May 10, 2021. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Timothy A Davidson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY A DAVIDSON MD (NPI 1124032511) is an individual pulmonary disease provider in Walla Walla, Washington, licensed in Washington (MD00032527) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Wallowa Memorial Hospital, and is a graduate of Oregon Health Sciences University School Of Medicine (1992).

NPPES Registry Identity

NPI1124032511

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameTIMOTHY A DAVIDSONCredential: MD

Location Address401 W POPLARWalla Walla, WA 99362

Mailing AddressPo Box 34439Seattle, WA 98124-1439

Phone(509) 522-5940

Fax(509) 522-5744

Sole ProprietorNo

Medical School CMSOregon Health Sciences University School Of MedicineGraduated 1992

Enumeration DateJuly 28, 2006

Last NPPES UpdateMay 10, 2021

NPPES CertifiedMay 10, 2021

✔ NPI 1124032511 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in WA · MD00032527

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License MD00032527 (WA)

401 W POPLAR, Walla Walla, WA 99362

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Other Identifiers 2

Medicaid210897OR

Medicaid1124032511WA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Premera Blue Cross Blue Shield of Alaska and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Timothy A Davidson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8628070463

PECOS Enrollment IDI20070208000173

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 10

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

231 services149 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

215 services184 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

122 services117 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

108 services103 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

82 services82 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

76 services76 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wallowa Memorial Hospital

Critical Access Hospitals · Enterprise, OR

OwnershipGovernment - Hospital District or Authority

CMS Certification Number381306

Location601 Medical ParkwayEnterprise, OR 97828 · Wallowa County

Emergency services Birthing friendly

St Anthony Hospital

Critical Access Hospitals · Pendleton, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number381319

Location2801 St Anthony WayPendleton, OR 97801 · Umatilla County

Emergency services Birthing friendly

Grande Ronde Hospital

Critical Access Hospitals · La Grande, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number381321

Location900 Sunset DriveLa Grande, OR 97850 · Union County

Emergency services Birthing friendly

Providence St Mary Medical Center

Acute Care Hospitals · Walla Walla, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500002

Location401 W Poplar StWalla Walla, WA 99362 · Walla Walla County

Emergency services Birthing friendly

Kadlec Regional Medical Center

Acute Care Hospitals · Richland, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500058

Location888 Swift BlvdRichland, WA 99352 · Benton County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 99362 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.99 typical visit price

range $57.27 – $172.80

Typical copayment $32.74 (range $14.31 – $43.20)

Most-billed visit code 99204

Established Patient

$100.78 typical visit price

range $18.56 – $141.11

Typical copayment $25.19 (range $4.64 – $35.27)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 24

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

8 suppliers94 claims94 services$40.23 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

3 suppliers19 claims36 services$1.72 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

4 suppliers36 claims36 services$91.00 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

4 suppliers42 claims96 services$38.59 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

6 suppliers48 claims214 services$23.28 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

3 suppliers23 claims111 services$17.09 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

7 suppliers76 claims76 services$64.60 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

9 suppliers93 claims93 services$20.04 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

4 suppliers14 claims14 services$10.31 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

7 suppliers100 claims468 services$2.69 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

7 suppliers70 claims70 services$12.71 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers93 claims93 services$19.61 avg. paid by Medicare

Portable oxygen contents, gaseous, 1 month's supply = 1 unit E0443

DME-Oxygen and Supplies · category DC000N

3 suppliers25 claims25 services$37.67 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

2 suppliers12 claims12 services$17.29 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers74 claims74 services$5.52 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

5 suppliers64 claims64 services$44.08 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

6 suppliers259 claims263 services$103.91 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers103 claims103 services$32.56 avg. paid by Medicare

Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605

DME-Drugs Administered Through DME · category DG006N

2 suppliers34 claims2,040 services$4.58 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

3 suppliers19 claims1,500 services$6.72 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

4 suppliers24 claims7,953 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

9 suppliers49 claims5,100 services$0.09 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

3 suppliers52 claims3,360 services$0.81 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

11 suppliers109 claims109 services$24.50 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHIRLEY ROBIN VONHAVEN DO

Emergency Medicine

401 W POPLAR
WALLA WALLA, WA 99362

Walla Walla County (509) 522-5802

STEPHEN RUBIN PHD

Psychologist

401 W POPLAR
WALLA WALLA, WA 99362

Walla Walla County (509) 522-5821

SEYMOUR MAYNARD BRONSTEIN,P.S.

Internal Medicine (Hematology & Oncology)

401 W POPLAR
WALLA WALLA, WA 99362

Walla Walla County (509) 522-5700

RICHARD D SIMON JR. MD

Internal Medicine (Sleep Medicine)

401 W POPLAR
WALLA WALLA, WA 99362

Walla Walla County (509) 522-5946

TIMOTHY A DAVIDSON MD
NPI 1124032511
Internal Medicine - Pulmonary Disease in Walla Walla, WA

About Timothy A Davidson Md NPPES

NPPES Registry Identity

Specialties & Licenses 2

Other Identifiers 2

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare Enrollment Status

Areas of Expertise CMS Part B claims 10

Hospital Affiliations CMS Care Compare 5

Wallowa Memorial Hospital

St Anthony Hospital

Grande Ronde Hospital

Providence St Mary Medical Center

Kadlec Regional Medical Center

Physician Visit Costs CMS claims · ZIP area

Referred Medical Equipment & Supplies CMS DME claims 24

Other Providers at the Same Location NPPES 4

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