Thea Dennis-Arends, MD
NPI 1225778756 · Family Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thea Dennis-Arends, MD is a Family Medicine Physician provider in Portland, OR (NPI 1225778756).
Provider details
- NPI number
- 1225778756
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD226228 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 57 | 23 |
| Lisinopril | 45 | 14 |
| Levothyroxine Sodium | 42 | — |
| Amlodipine Besylate | 35 | — |
| Gabapentin | 29 | — |
| Tiotropium Br/Olodaterol Hclbrand: Stiolto Respimat | 26 | — |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-03-31
- Last updated
- 2025-12-10
- Certified
- 2025-12-10
Frequently asked questions
- What is Thea Dennis-Arends's NPI number?
- Thea Dennis-Arends's National Provider Identifier (NPI) is 1225778756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thea Dennis-Arends's specialty?
- Thea Dennis-Arends is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thea Dennis-Arends located?
- Thea Dennis-Arends's practice location on file with NPPES is 4411 Sw Vermont St, Portland, OR 97219-1020.
- What is Thea Dennis-Arends's phone number?
- The practice phone number listed in the NPPES registry for Thea Dennis-Arends is (503) 494-9992.
- Does Thea Dennis-Arends accept Medicare?
- Thea Dennis-Arends is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thea Dennis-Arends's NPI active?
- Yes — Thea Dennis-Arends's NPI (1225778756) is active in the NPPES registry as of the last update on 2025-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.