Michael Knapp, MD
NPI 1598409724 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Knapp, MD is a Internal Medicine Physician provider in Portland, OR (NPI 1598409724).
Provider details
- NPI number
- 1598409724
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD225242 (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
4 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 50 | 14 |
| Rosuvastatin Calcium | 33 | — |
| Omeprazole | 22 | — |
| Furosemide | 21 | — |
| Allopurinol | 17 | — |
| Amlodipine Besylate | 16 | — |
| Telmisartan | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-25
- Last updated
- 2025-09-10
- Certified
- 2025-09-10
Frequently asked questions
- What is Michael Knapp's NPI number?
- Michael Knapp's National Provider Identifier (NPI) is 1598409724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Knapp's specialty?
- Michael Knapp is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Knapp located?
- Michael Knapp's practice location on file with NPPES is 9205 Sw Barnes Rd, Portland, OR 97225-6603.
- What is Michael Knapp's phone number?
- The practice phone number listed in the NPPES registry for Michael Knapp is (503) 216-2906.
- Does Michael Knapp accept Medicare?
- Michael Knapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Knapp's NPI active?
- Yes — Michael Knapp's NPI (1598409724) is active in the NPPES registry as of the last update on 2025-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.