FREDERICK B NIEGOS (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1649277401
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
605 ENDOCRINOLOGY in FL
Provider Addresses for FREDERICK B NIEGOS (MD)
1020 LAKE SUMTER LNDG
THE VILLAGES, FL 321622699
Phone: (352) 674-8905
Fax: (352) 674-8901
Type: Mailing
2955 BROWNWOOD BLVD
THE VILLAGES, FL 321632039
Phone: (352) 674-8700
Fax: (352) 674-8714
Type: Location
6801, Rogers Avenue, Massard, Fort Smith, Sebastian County, Arkansas, 72903, United States
FORT SMITH, AR 729034067
Phone: (479) 274-4000
Fax: (479) 274-4099
Type: Mailing
1400 N US Highway 441 Ste 810
The Villages, FL 321598987
Phone: (352) 674-8700
Fax: (352) 674-8714
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 72 Open Payments records for all available years, with a total value of $1,748.
Total Amount is formed as General ($1,748) + Research ($0) + Ownership ($0) = $1,748.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: Novo Nordisk Inc ($476).
Total Amount
$1,748
General + Research + Ownership
Payments
72
Total payment records
General Amount
$1,748
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $476 |
| Medtronic, Inc. | $253 |
| Mannkind Corporation | $141 |
| Lilly USA, LLC | $129 |
| Ascensia Diabetes Care Us Inc. | $128 |
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: 2022-03-05
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20170130001707 | I | Endocrinology | AR | TBD |
| I20220305000077 | I | Endocrinology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 474 | 244 | $0 |
| 95251 | Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 148 | 74 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 80 | 44 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 78 | 78 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 63 | 55 | $0 |
Insurance plans in this area (ZIP 32162)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | IL | |
| Family Practice | IL | |
| Internal Medicine | IL | |
| - | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| Nurse Practitioner | FL | |
| Family Practice | FL | |
| Qualified Audiologist | FL | |
| Nurse Practitioner | FL |
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