Christopher A. Armstrong, M.D.
NPI 1619973195ActiveIndividual· Internal Medicine· Edina, MN
Internal Medicine (M.D.) in Edina, Minnesota, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $772,590 for 9,100 claims, against $96,381 paid for services in 2024.
Overview
| NPI | 1619973195 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 21, 2005 |
| Last updated in NPPES | Nov 4, 2020 |
| Certified by provider | Nov 4, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35008 | MN |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 314 |
|---|---|
| Services billed | 2,491 across 117 procedure codes |
| Paid by Medicare | $96,381 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,100 · 21,486 30-day fills |
|---|---|
| Patients | 679 |
| Total drug cost | $772,590 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Allina Health SystemNew Ulm, MN · 3,842 clinicians
Hospital affiliations
- Abbott Northwestern HospitalMinneapolis, MN
- M Health Fairview Southdale HospitalEdina, MN
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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