Mark Wozniak, MD
NPI 1972610095 · Internal Medicine Physician · Clackamas, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Wozniak, MD is a Internal Medicine Physician provider in Clackamas, OR (NPI 1972610095).
Provider details
- NPI number
- 1972610095
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00032082 (WA)
Specialties & taxonomies
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
19 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 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,132 | 316 |
| Lisinopril | 582 | 167 |
| Losartan Potassium | 515 | 145 |
| Amlodipine Besylate | 458 | 124 |
| Simvastatin | 343 | 98 |
| Levothyroxine Sodium | 304 | 78 |
| Metformin Hcl | 297 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2022-02-04
Frequently asked questions
- What is Mark Wozniak's NPI number?
- Mark Wozniak's National Provider Identifier (NPI) is 1972610095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Wozniak's specialty?
- Mark Wozniak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Wozniak located?
- Mark Wozniak's practice location on file with NPPES is 9800 Se Sunnyside Rd, Clackamas, OR 97015-9750.
- What is Mark Wozniak's phone number?
- The practice phone number listed in the NPPES registry for Mark Wozniak is (503) 813-0378.
- Does Mark Wozniak accept Medicare?
- Mark Wozniak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Wozniak's NPI active?
- Yes — Mark Wozniak's NPI (1972610095) is active in the NPPES registry as of the last update on 2022-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.