CHARLES F III KNAPP (MD) – MOHS-Micrographic Surgery Physician, NPI 1023246527
MOHS-Micrographic Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
1,369 DERMATOLOGY in FL
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Provider Addresses for CHARLES F III KNAPP (MD)
5438, Emerald Bay Lane, Lady Lake, Lake County, Florida, 32158, United States
LADY LAKE, FL 321596062
Phone:
Type: Mailing
2783, Brownwood Boulevard, Brownwood, The Villages, Sumter County, Florida, 34785, United States
THE VILLAGES, FL 32163
Phone: (352) 834-7546
Type: Location
2783 BROWNWOOD BLVD
THE VILLAGES, FL 321632005
Phone: (352) 834-7546
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 97 Open Payments records for all available years, with a total value of $2,518.
Total Amount is formed as General ($2,518) + Research ($0) + Ownership ($0) = $2,518.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: ABBVIE INC. ($682).
Total Amount
$2,518
General + Research + Ownership
Payments
97
Total payment records
General Amount
$2,518
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $682 |
| Novartis Pharmaceuticals Corporation | $430 |
| Regeneron Healthcare Solutions, Inc. | $357 |
| PFIZER INC. | $242 |
| E.R. Squibb & Sons, L.L.C. | $149 |
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: 2014-08-01
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 |
|---|---|---|---|---|
| I20140801001151 | I | Dermatology | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 2,920 | 1,118 | $0 |
| 17003 | Destruction of precancer skin growth, 2-14 growths | 1,252 | 256 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 810 | 532 | $0 |
| 11102 | Biopsy of related skin growth, first growth | 498 | 370 | $0 |
| 11103 | Biopsy of related skin growth, each additional growth | 483 | 187 | $0 |
Insurance plans in this area (ZIP 32159)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DERMATOLOGY | FL | 88312 | Special stained specimen slides to identify organisms including interpretation and report | 163 | 90 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | OR |
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