DR. CHRISTOPHER ARMSTRONG (M.D.) – Internal Medicine Physician, NPI 1124465299
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
12,368 INTERNAL MEDICINE in FL
Provider Addresses for DR. CHRISTOPHER ARMSTRONG (M.D.)
170 WINDING COVE AVE
APOPKA, FL 327031645
Phone: (407) 906-1558
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $583.
Total Amount is formed as General ($583) + Research ($0) + Ownership ($0) = $583.
Last reported payment date: 2024-09-12 • Largest payer in this snapshot: Salix Pharmaceuticals, a division of Bausch Health US, LLC ($224).
Total Amount
$583
General + Research + Ownership
Payments
6
Total payment records
General Amount
$583
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-12
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2019-05-03
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 |
|---|---|---|---|---|
| I20190503000597 | I | Internal Medicine | FL | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 381 | 154 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 112 | 112 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 77 | 76 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 42 | 41 | $0 |
Insurance plans in this area (ZIP 32703)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Hospitalist, Family Practice | FL | |
| Internal Medicine | FL | |
| Nurse Practitioner | FL | |
| Internal Medicine, Hospitalist | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| Internal Medicine | PR | |
| Nurse Practitioner | FL | |
| Nurse Practitioner | FL | |
| Internal Medicine, Hospitalist | FL |
Reviews
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