DR. SHIRLEY ANN NAGEL (M.D.) – Internal Medicine Physician, NPI 1043213366
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
12,368 INTERNAL MEDICINE in FL
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Provider Addresses for DR. SHIRLEY ANN NAGEL (M.D.)
Lake Center Drive, Mount Dora, Lake County, Florida, 32757, United States
MOUNT DORA, FL 327572364
Phone: (352) 383-8222
Fax: (352) 383-1420
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 $21,632.
Total Amount is formed as General ($62) + Research ($21,570) + Ownership ($0) = $21,632.
Last reported payment date: 2024-09-24 • Largest payer in this snapshot: Eli Lilly and Company ($21,570).
Total Amount
$21,632
General + Research + Ownership
Payments
6
Total payment records
General Amount
$62
General payments
Research Amount
$21,570
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-24
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Eli Lilly and Company | $21,570 |
| Dexcom, Inc. | $42 |
| Bayer Healthcare Pharmaceuticals Inc. | $19 |
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: 2010-04-20
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 |
|---|---|---|---|---|
| I20100420000784 | 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 |
|---|---|---|---|---|
| 36415 | Insertion of needle into vein for collection of blood sample | 112 | 95 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 107 | 62 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 102 | 67 | $0 |
| 87804 | Detection test by immunoassay with direct visual observation for influenza virus | 44 | 18 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 34 | 34 | $0 |
Insurance plans in this area (ZIP 32757)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | FL | 81002 | Urinalysis, manual test | 930 | 577 |
| INTERNAL MEDICINE | FL | 85610 | Blood test, clotting time | 192 | 28 |
| INTERNAL MEDICINE | FL | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 12 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | FL | |
| Internal Medicine | FL |
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