Timothy Elzinga, MD
NPI 1841497211 · Family Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Elzinga, MD is a Family Medicine Physician provider in Portland, OR (NPI 1841497211).
Provider details
- NPI number
- 1841497211
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD60137718 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 44 | 44 |
| Ciclesonidebrand: Alvesco | 40 | 27 |
| Cephalexin | 35 | 34 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 35 | 35 |
| Doxycycline Monohydrate | 33 | 33 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 26 | 26 |
| Cefadroxil | 19 |
Practice location
Mailing address
Additional practice locations (1)
- 10350 E Dakota AveDenver, CO 80247-1314Phone: (303) 338-4545
Registry dates
- Enumerated
- 2007-06-29
- Last updated
- 2022-05-04
- Certified
- 2022-05-04
Frequently asked questions
- What is Timothy Elzinga's NPI number?
- Timothy Elzinga's National Provider Identifier (NPI) is 1841497211, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Elzinga's specialty?
- Timothy Elzinga is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Elzinga located?
- Timothy Elzinga's practice location on file with NPPES is 3550 N Interstate Ave, Portland, OR 97227-1196.
- What is Timothy Elzinga's phone number?
- The practice phone number listed in the NPPES registry for Timothy Elzinga is (800) 813-2000.
- Does Timothy Elzinga accept Medicare?
- Timothy Elzinga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Elzinga's NPI active?
- Yes — Timothy Elzinga's NPI (1841497211) is active in the NPPES registry as of the last update on 2022-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.