Thea J. Dennis-Arends, MD
Family Medicine Physician · Portland, OR
Thea J. Dennis-Arends, MD is a family medicine physician with a practice address in Portland, Oregon, and NPI 1225778756, issued on Mar 31, 2022. Check the license (Oregon MD226228, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thea J. Dennis-Arends
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD226228 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4411 SW Vermont St, Portland, OR 97219
- Phone
- (503) 494-9992
- Enumerated
- Mar 31, 2022
- Record last updated
- Dec 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20251119002728); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2022
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 4411 SW Vermont St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Juliet Baker, ATCAthletic Trainer1609289032
- Savannah Deming, PA-CPhysician Assistant1851011639
- Sherilyn Destefano, MDFamily Medicine Physician1033616602
- Jennifer Devoe, MDFamily Medicine Physician1457399321
- Franklyn Dornfest, MDFamily Medicine Physician1306852918
- Pamela English, MSW, LCSWSocial Worker1699048686
Verify Thea J. Dennis-Arends in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD226228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
712 Medicare Part D claims for 123 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium57 claims
- Lisinopril45 claims
- Levothyroxine Sodium42 claims
- Amlodipine Besylate35 claims
- Gabapentin29 claims
- Stiolto Respimat26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- University Professional ServicesPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thea J. Dennis-Arends among 2,847 family medicine physician records in Oregon
Thea J. Dennis-Arends, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2022 · median 2009 among the 1,671 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
561 family medicine physician records list a practice address in Portland
They are 561 of the 42,088 NPPES records with a practice address in Portland, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Portland → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sherilyn Destefano, MDPortland, OR 972191033616602
- Jennifer Devoe, MDPortland, OR 972191457399321
- Franklyn Dornfest, MDPortland, OR 972191306852918
- Lyle Fagnan, MDPortland, OR 972191669487161
- Eric Herman, MDPortland, OR 972191851483432
- Ariel Smits, MDPortland, OR 972191811903370
- Elizabeth Steiner Hayward, MDPortland, OR 972191053329508
- Kaitlyn Stettnichs, MDPortland, OR 972191962082503
Common questions
What is Thea J. Dennis-Arends, MD's NPI number?
Thea J. Dennis-Arends, MD's National Provider Identifier (NPI) is 1225778756, issued on Mar 31, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Thea J. Dennis-Arends, MD located?
The NPPES record lists a practice address at 4411 SW Vermont St, Portland, OR, 97219. Phone: (503) 494-9992. Providers update this record themselves, so call before visiting.
How can I verify Thea J. Dennis-Arends, MD's license?
NPPES lists Oregon license number MD226228, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thea J. Dennis-Arends, MD prescribe under Medicare Part D?
In 2024, Thea J. Dennis-Arends, MD had 712 Medicare Part D claims for 123 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.