Andrew Armstrong, MD
NPI 1023500568 · Internal Medicine Physician · Albany, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Armstrong, MD is a Internal Medicine Physician provider in Albany, OR (NPI 1023500568).
Provider details
- NPI number
- 1023500568
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD206180 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
291 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 103 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 66 | $111 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 60 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 39 | $166 |
| Critical Care, First 30-74 Minutes99291 | 23 | $202 |
Typical Medicare-allowed amounts for these services range $75–$202 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 19 | 14 |
| Losartan Potassium | 18 | — |
| Atorvastatin Calcium | 18 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 14 |
| Furosemide | 15 | — |
| Amlodipine Besylate | 14 | — |
| Potassium Chloride | 14 |
Practice location
Mailing address
Additional practice locations (1)
- 5050 Ne Hoyt St Ste 540Portland, OR 97213-2985Phone: (503) 215-6600
Registry dates
- Enumerated
- 2018-05-31
- Last updated
- 2022-01-17
- Certified
- 2022-01-17
Frequently asked questions
- What is Andrew Armstrong's NPI number?
- Andrew Armstrong's National Provider Identifier (NPI) is 1023500568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Armstrong's specialty?
- Andrew Armstrong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Armstrong located?
- Andrew Armstrong's practice location on file with NPPES is 1046 6th Ave Sw, Albany, OR 97321-1916.
- What is Andrew Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Andrew Armstrong is (541) 812-4000.
- Does Andrew Armstrong accept Medicare?
- Andrew Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Armstrong's NPI active?
- Yes — Andrew Armstrong's NPI (1023500568) is active in the NPPES registry as of the last update on 2022-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.