CHRISTOPHER AARON KEEN (MD) – Orthopaedic Surgery Physician, NPI 1063629012
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,916 ORTHOPEDIC SURGERY in FL
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Provider Addresses for CHRISTOPHER AARON KEEN (MD)
PO BOX 1990
CRYSTAL RIVER, FL 344231990
Phone: (352) 746-2663
Fax: (352) 746-6907
Type: Mailing
North Avalon Way, Lecanto, Citrus County, Florida, 34460, United States
LECANTO, FL 344616004
Phone: (352) 746-2663
Fax: (352) 746-6907
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 27 Open Payments records for all available years, with a total value of $1,559.
Total Amount is formed as General ($1,559) + Research ($0) + Ownership ($0) = $1,559.
Last reported payment date: 2024-08-15 • Largest payer in this snapshot: Stryker Corporation ($1,508).
Total Amount
$1,559
General + Research + Ownership
Payments
27
Total payment records
General Amount
$1,559
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Stryker Corporation | $1,508 |
| DePuy Synthes Sales Inc. | $33 |
| Anika Therapeutics, Inc. | $17 |
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: 2012-09-24
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 |
|---|---|---|---|---|
| I20120924000113 | I | Orthopedic Surgery | 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 |
|---|---|---|---|---|
| J7329 | Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg | 4,775 | 91 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,674 | 1,153 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 1,028 | 593 | $0 |
| J0702 | Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 974 | 439 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 861 | 702 | $0 |
Insurance plans in this area (ZIP 34423)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | FL | |
| Nurse Practitioner | FL | |
| Hand Surgery, Orthopedic Surgery | FL | |
| Physician Assistant | FL | |
| - | FL | |
| Diagnostic Radiology | FL | |
| - | FL | |
| Physical Therapist In Private Practice | FL | |
| Physical Therapist In Private Practice | FL | |
| - | FL |
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