Dr. David A. Lewis, MD
- Medicare services, 2020
- 16
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 526
- Hospital affiliations
- 1
- Industry payments
- $387
- Practice address
- 401 W Poplar St, Walla Walla, WA 99362
- Practice phone
- Call (509) 522-5900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lewis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. David A. Lewis is a pulmonologist in Walla Walla, Washington
Dr. Lewis practices at Providence St. Mary Medical Center in Walla Walla, Washington, part of Providence Health & Services.
Dr. Lewis' NPI, 1609920222, was assigned on January 22, 2007. Dr. Lewis graduated from University of California, Davis School of Medicine in 1986. Dr. Lewis holds Washington license MD00037215.
- NPI
- 1609920222NPI Registry (opens in a new tab)
- NPI enumeration date
- January 22, 2007
- NPI status
- Active
- Practice phone
- (509) 522-5900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David A. Lewis practices at Providence St. Mary Medical Center in Walla Walla, Washington
Dr. Lewis' primary practice is Providence St. Mary Medical Center, at 401 W Poplar St, Walla Walla, WA 99362 in Walla Walla County. The practice phone is (509) 522-5900.
- Providence St. Mary Medical Center401 W Poplar St, Walla Walla, WA 99362 · Walla Walla CountyPhone(509) 522-5900
Source: Dmand AI Affiliation Data
Dr. David A. Lewis is affiliated with 2 sites of care and 1 medical group
Dr. Lewis' primary practice is Providence St. Mary Medical Center in Walla Walla, Washington, part of Providence Health & Services. The medical group on file is Washington Permanente Medical Group, P.C. Dmand AI also links Dr. Lewis to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David A. Lewis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lewis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence St. Mary Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David A. Lewis is one of 294 pulmonologists in Washington
Pulmonary disease is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Lewis is licensed in Washington.
Specialties and state licenses
- Pulmonary disease, WashingtonPrimary
Pulmonologists near Dr. Lewis
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. David A. Lewis billed Medicare for 16 services in 2020
CMS data shows 16 Medicare services from Dr. Lewis across 1 procedure code in 2020, all of them office visits, for 13 Medicare patients. Medicare paid $1,110 for them. Every service was in an office.
Dr. Lewis' Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 232020: 1630%
Dr. Lewis compared with the Washington median for pulmonologists, 2020
- Dr. Lewis
- Washington median
- Medicare services
- 16vs 35595% below
- Medicare patients
- 13vs 18193% below
- Part D claims
- 435vs 49212% below
Medians across 294 pulmonologists in Washington with Dmand AI profiles that report each measure.
Dr. Lewis' most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Lewis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lewis and other pulmonologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David A. Lewis treated 13 Medicare patients in 2024, average age 68
CMS counts 13 Medicare patients who saw Dr. Lewis in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 71, with 53% women.
Dr. Lewis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lewis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David A. Lewis wrote 526 Medicare Part D claims in 2024
In 2024, Dr. Lewis wrote 526 Medicare Part D claims for 117 patients. 41% of them were for generic drugs. CMS names the drug for 435 of them, across 9 drugs with 11 or more claims each, at $122,383 in total drug cost. In 2023, CMS named 527 claims across 8 drugs.
Dr. Lewis' Part D claims by kind of drug, 2024
- Generic217 claims41%
- Brand-name309 claims59%
Dr. Lewis' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lewis' Part D claims, 2024
- Antibiotics3%15 of 526 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5272024: 43517%
Drugs named by CMS: 9 in 2024, 8 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David A. Lewis received $387 in industry payments from 2016 to 2021
CMS Open Payments shows 27 general payments to Dr. Lewis from 2 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 95% of the total. Gilead Sciences, Inc. paid the most, $368.
General payments to Dr. Lewis by program year, 2016 to 2021
General payments to Dr. Lewis by kind, 2016 to 2021
- Food and beverage$36895%
- Education$195%
Companies that paid Dr. Lewis the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David A. Lewis graduated from University of California, Davis School of Medicine
Dr. Lewis graduated from University of California, Davis School of Medicine in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David A. Lewis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. David A. Lewis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. David A. Lewis' NPI number?
Dr. David A. Lewis' NPI number is 1609920222. It was assigned on January 22, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Lewis?
Dr. David A. Lewis is a pulmonologist in Walla Walla, Washington. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. David A. Lewis practice?
Dr. Lewis practices at 401 W Poplar St, Walla Walla, WA 99362. Dr. Lewis' primary practice is Providence St. Mary Medical Center in Walla Walla, Washington, part of Providence Health & Services. Dmand AI also links Dr. Lewis to 1 group practice or clinic.
What is Dr. David A. Lewis' office phone number?
The practice phone on file for Dr. Lewis is (509) 522-5900.
What is Dr. David A. Lewis' medical license number?
Dr. Lewis holds Washington license MD00037215.
Which hospitals is Dr. David A. Lewis affiliated with?
Dr. Lewis practices at Providence St. Mary Medical Center in Walla Walla, Washington.
What medical group is Dr. David A. Lewis part of?
Dr. Lewis is linked to Washington Permanente Medical Group, P.C.
Does Dr. David A. Lewis accept Medicare?
Yes. CMS data shows Dr. Lewis billed Medicare for 16 services in 2020.
How many Medicare patients does Dr. David A. Lewis see?
CMS counts 13 Medicare patients who saw Dr. Lewis in 2024, with an average age of 68.
What services does Dr. David A. Lewis bill to Medicare?
In 2020, Dr. Lewis' most billed Medicare services were office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. David A. Lewis go to medical school?
Dr. Lewis graduated from University of California, Davis School of Medicine in 1986.
What drugs does Dr. David A. Lewis prescribe most?
In 2024 Medicare Part D data, Dr. Lewis' most prescribed drugs by claims were Wixela Inhub, Alvesco and Stiolto Respimat.
Has Dr. David A. Lewis received payments from drug or device companies?
CMS Open Payments shows $387 in general payments to Dr. Lewis from 2 companies from 2016 to 2021. The largest total came from Gilead Sciences, Inc.
How long has Dr. David A. Lewis been practicing?
Dr. Lewis graduated from medical school in 1986, 40 years ago.
Selling to pulmonary disease practices?
See pulmonologists in Washington by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card