DR. CHRISTOPHER A ARMSTRONG (M.D.) – Internal Medicine Physician, NPI 1619973195
Internal Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,636 INTERNAL MEDICINE in MN
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Provider Addresses for DR. CHRISTOPHER A ARMSTRONG (M.D.)
Chicago Av, Washington Avenue South, Minneapolis, Hennepin County, Minnesota, 55415:55454, United States
MINNEAPOLIS, MN 554071321
Phone: (612) 262-5000
Type: Mailing
West 66th Street, Southdale, Edina, Hennepin County, Minnesota, 55439, United States
STE 385
EDINA, MN 554352197
Phone: (952) 920-2761
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $16.
Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.
Last reported payment date: 2023-01-10 • Largest payer in this snapshot: Avanos Medical ($16).
Total Amount
$16
General + Research + Ownership
Payments
1
Total payment records
General Amount
$16
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-01-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Avanos Medical | $16 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-02-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20060221000293 | I | Internal Medicine | MN | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 380 | 223 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 367 | 223 | $0 |
| 80048 | Blood test, basic group of blood chemicals (calcium, total) | 227 | 173 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 162 | 130 | $0 |
| 85027 | Complete blood cell count (red cells, white blood cell, platelets), automated test | 161 | 140 | $0 |
Insurance plans in this area (ZIP 55407)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease | CO | |
| Qualified Audiologist | MN | |
| Family Practice | MN | |
| - | MN | |
| Family Practice | MN | |
| Nurse Practitioner | ND | |
| - | MN | |
| - | MN | |
| - | MN | |
| - | MN |
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