Michael Chen, M.D.
NPI 1619926011 · Internal Medicine Physician · Stayton, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Chen, M.D. is a Internal Medicine Physician provider in Stayton, OR (NPI 1619926011).
Provider details
- NPI number
- 1619926011
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD21385 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 505 | 142 |
| Lisinopril | 359 | 96 |
| Losartan Potassium | 339 | 89 |
| Atorvastatin Calcium | 315 | 85 |
| Amlodipine Besylate | 260 | 72 |
| Levothyroxine Sodium | 238 | 71 |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (1)
- 3680 Nw Samaritan DrCorvallis, OR 97330-3737Phone: (541) 754-1150
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2022-04-14
- Certified
- 2022-04-14
Frequently asked questions
- What is Michael Chen's NPI number?
- Michael Chen's National Provider Identifier (NPI) is 1619926011, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chen's specialty?
- Michael Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Chen located?
- Michael Chen's practice location on file with NPPES is 1401 N 10th Ave Ste 200, Stayton, OR 97383-1487.
- What is Michael Chen's phone number?
- The practice phone number listed in the NPPES registry for Michael Chen is (503) 769-7151.
- Does Michael Chen accept Medicare?
- Michael Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Chen's NPI active?
- Yes — Michael Chen's NPI (1619926011) is active in the NPPES registry as of the last update on 2022-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.