Dr. David Michael Thomas, DO
- Part D claims, 2024
- 337
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 500 NE Multnomah St, Portland, OR 97232
- Practice phone
- Call (503) 813-2440
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Foundation Health Plan of the Northwest
Portland, Oregon
Find Dr. Thomas' 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 Michael Thomas is an internist in Portland, Oregon
Dr. Thomas practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon.
Dr. Thomas' NPI, 1922567247, was assigned on March 16, 2019. Dr. Thomas holds Washington license OP61513268.
- NPI
- 1922567247NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7719423771
- NPI enumeration date
- March 16, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 813-2440
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Michael Thomas practices at Kaiser Foundation Health Plan of the Northwest in Portland, Oregon
Dr. Thomas' primary practice is Kaiser Foundation Health Plan of the Northwest, at 500 NE Multnomah St, Portland, OR 97232 in Multnomah County. The practice phone is (503) 813-2440.
- Kaiser Foundation Health Plan of the Northwest500 NE Multnomah St, Portland, OR 97232 · Multnomah CountyPhone(503) 813-2440
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Michael Thomas is affiliated with 2 sites of care and 1 medical group
Dr. Thomas' primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. The medical group on file is Kaiser Permanente Northwest. Dmand AI also links Dr. Thomas to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Michael Thomas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thomas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Foundation Health Plan of the Northwest | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Michael Thomas is one of 1,680 internists in Oregon
Internal medicine is Dr. Thomas' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Thomas is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Thomas
Counts of internists 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 Michael Thomas' patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Thomas' median patient age at 44, with 62% women.
Dr. Thomas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. David Michael Thomas wrote 337 Medicare Part D claims in 2024
In 2024, Dr. Thomas wrote 337 Medicare Part D claims for 223 patients. 90% of them were for generic drugs. CMS names the drug for 117 of them, across 7 drugs with 11 or more claims each, at $1,091 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Thomas' Part D claims by kind of drug, 2024
- Generic302 claims90%
- Brand-name and other35 claims10%
Dr. Thomas' 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. Thomas' Part D claims, 2024
- Antibiotics41%139 of 337 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: 152024: 117680%
Drugs named by CMS: 7 in 2024, 1 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
How Dr. David Michael Thomas takes part in Medicare
Dr. Thomas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. David Michael Thomas'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Michael Thomas
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 Michael Thomas' NPI number?
Dr. David Michael Thomas' NPI number is 1922567247. It was assigned on March 16, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. David Michael Thomas?
Dr. David Michael Thomas is an internist in Portland, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David Michael Thomas practice?
Dr. Thomas practices at 500 NE Multnomah St, Portland, OR 97232. Dr. Thomas' primary practice is Kaiser Foundation Health Plan of the Northwest in Portland, Oregon. Dmand AI also links Dr. Thomas to 1 group practice or clinic.
What is Dr. David Michael Thomas' office phone number?
The practice phone on file for Dr. Thomas is (503) 813-2440.
What is Dr. David Michael Thomas' medical license number?
Dr. Thomas holds Washington license OP61513268.
What medical group is Dr. David Michael Thomas part of?
Dr. Thomas is linked to Kaiser Permanente Northwest.
Does Dr. David Michael Thomas accept Medicare?
Yes. CMS lists Dr. Thomas as accepting Medicare assignment.
What drugs does Dr. David Michael Thomas prescribe most?
In 2024 Medicare Part D data, Dr. Thomas' most prescribed drugs by claims were Cefadroxil, Doxycycline Monohydrate and Prednisone.
How long has Dr. David Michael Thomas been practicing?
Dr. Thomas graduated from medical school in 2021, 5 years ago.
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