Mark Day, DO
NPI 1225492796 · Cardiovascular Disease Physician · Lebanon, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Day, DO is a Cardiovascular Disease Physician provider in Lebanon, OR (NPI 1225492796).
Provider details
- NPI number
- 1225492796
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 182616 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
986 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 179 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 172 | $69 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 101 | $133 |
| 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 | 84 | $17 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Review By Physician93018 | 51 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 146 | 58 |
| Empagliflozinbrand: Jardiance | 138 | 45 |
| Apixabanbrand: Eliquis | 88 | 34 |
| Carvedilol | 76 | 24 |
| Spironolactone | 75 | 34 |
| Dapagliflozin Propanediolbrand: Farxiga | 73 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$295 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3600 Nw Samaritan DrCorvallis, OR 97330-3737Phone: (541) 768-4906Fax: (541) 768-4907
Registry dates
- Enumerated
- 2016-04-11
- Last updated
- 2023-02-28
- Certified
- 2023-02-28
Frequently asked questions
- What is Mark Day's NPI number?
- Mark Day's National Provider Identifier (NPI) is 1225492796, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Day's specialty?
- Mark Day is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Day located?
- Mark Day's practice location on file with NPPES is 525 N Santiam Hwy, Lebanon, OR 97355-4363.
- What is Mark Day's phone number?
- The practice phone number listed in the NPPES registry for Mark Day is (541) 258-2101.
- Does Mark Day accept Medicare?
- Mark Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Day's NPI active?
- Yes — Mark Day's NPI (1225492796) is active in the NPPES registry as of the last update on 2023-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.