Mark Lyon, M.D.
NPI 1447227434 · Family Medicine Physician · Eugene, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Lyon, M.D. is a Family Medicine Physician provider in Eugene, OR (NPI 1447227434).
Provider details
- NPI number
- 1447227434
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD18168 (OR)
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
20 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
666 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 219 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 210 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 129 | $123 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 69 | $125 |
| Annual Wellness Visit; Includes a Personalized Prevention Plan of Service (pps), Initial VisitG0438 | 17 | $159 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 135 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 439 | 129 |
| Levothyroxine Sodium | 386 | 84 |
| Metoprolol Succinate | 307 | 83 |
| Losartan Potassium | 303 | 91 |
| Lisinopril | 219 | 62 |
| Zolpidem Tartrate | 218 | 34 |
| Pravastatin Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2010-03-10
Frequently asked questions
- What is Mark Lyon's NPI number?
- Mark Lyon's National Provider Identifier (NPI) is 1447227434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Lyon's specialty?
- Mark Lyon is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Lyon located?
- Mark Lyon's practice location on file with NPPES is 3299 Hilyard St, Eugene, OR 97405-3721.
- What is Mark Lyon's phone number?
- The practice phone number listed in the NPPES registry for Mark Lyon is (541) 342-3338.
- Does Mark Lyon accept Medicare?
- Mark Lyon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Lyon's NPI active?
- Yes — Mark Lyon's NPI (1447227434) is active in the NPPES registry as of the last update on 2010-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.