Dean Defrees, MD
NPI 1073924361 · Family Medicine Physician · Baker City, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dean Defrees, MD is a Family Medicine Physician provider in Baker City, OR (NPI 1073924361).
Provider details
- NPI number
- 1073924361
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MRM-1392 (ID)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
472 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 342 | $9 |
| Hemoglobin A1c Level83036 | 80 | $10 |
| X-Ray of Chest, 2 Views71046 | 24 | $23 |
| X-Ray of Knee, 4 Or More Views73564 | 14 | $35 |
| Automated Urinalysis Test81003 | 12 | $2 |
Typical Medicare-allowed amounts for these services range $2–$35 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 395 | 114 |
| Losartan Potassium | 225 | 65 |
| Omeprazole | 185 | 57 |
| Amlodipine Besylate | 180 | 52 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 168 | 31 |
| Lisinopril | 164 | 51 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-08
- Last updated
- 2019-01-02
Frequently asked questions
- What is Dean Defrees's NPI number?
- Dean Defrees's National Provider Identifier (NPI) is 1073924361, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dean Defrees's specialty?
- Dean Defrees is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dean Defrees located?
- Dean Defrees's practice location on file with NPPES is 3950 17th St Ste a, Baker City, OR 97814-1300.
- What is Dean Defrees's phone number?
- The practice phone number listed in the NPPES registry for Dean Defrees is (541) 523-1001.
- Does Dean Defrees accept Medicare?
- Dean Defrees is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dean Defrees's NPI active?
- Yes — Dean Defrees's NPI (1073924361) is active in the NPPES registry as of the last update on 2019-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.