Dr. Frederick Niegos
- Gender: Male
- Experience: 27 years
- Graduation year: 1994
- Sole propriator: No
- NPI: 1649277401
Dr. Frederick Niegos MD
Endocrinologist
He is located at 2955 Brownwood Boulevard in The Villages, FL 32163. Can help patients with the following: Anemia, Arthritis, Goiter, Hypercalcemia, Hyponatremia, Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1649277401. Appointment can be made via the phone number (352) 674-8700. He is affiliated with 2 practices and 4 hospitals.
Conditions treated
Dr. Frederick Niegos, being an endocrinologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Frederick Niegos.
- Abdominal Pain
- Achondroplasia
- Acute Pain
- Addison's Disease
- Amyloidosis
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Bone Loss
- Carcinoid Tumor
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cushing's Syndrome
- Cystitis
- Diabetes
- Diabetes Insipidus (DI)
- Diabetes Mellitus (DM) Type 1
- Diabetes Mellitus (DM) Type 2
- Diabetic Neuropathy
- Diarrhea
- Edema
- Fertility
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Goiter
- Graves' Disease
- Growth Hormone Imbalance
- Gynecomastia
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hypercalcemia
- Hyperglycemia
- Hyperlipidemia
- Hyperparathyroidism
- Hyperthyroidism
- Hypocalcemia
- Hypoglycemia
- Hyponatremia
- Hypoparathyroidism
- Hypothyroidism
- Influenza
- Inguinal Hernia
- Insulin Resistance (IR)
- Low Testosterone
- Metabolic Syndrome
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Thyroid Cancer
- Thyroid Disease
- Thyroiditis
- Urethritis
- Urinary Tract Infection (UTI)
- Vitamin D Deficiency
- Wilson-Turner Syndrome
Procedures Performed by Dr. Frederick Niegos
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Frederick Niegos as in-network for the following 2026 plans.
Health plans
Cigna Healthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 26 plans from Cigna Healthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect Bronze Mid-South 0 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze Mid-South 5500 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze Mid-South CMS Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze Orlando 3000 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze Orlando 6000 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze Orlando CMS Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze South FL 3800 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze South FL 7000 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze South FL CMS Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Gold Mid-South 2250 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold Mid-South 850 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold Mid-South CMS Standard | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold Orlando 1500 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold Orlando CMS Standard | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold South FL 1500 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold South FL CMS Standard | EPO · Gold | Preferred | Accepting new patients |
| Connect myDiabetesCare Bronze Mid-South | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Silver Mid-South 3800 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver Mid-South 4500 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver Mid-South CMS Standard | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver Orlando 3500 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver Orlando 5000 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver Orlando CMS Standard | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver South FL 2850 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver South FL 4500 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver South FL CMS Standard | EPO · Silver | Preferred | Accepting new patients |
Cigna HealthCare of Florida, Inc.
Network data as of Sep 15, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Partnered Care Classic Silver | HMO · Silver | Preferred | Accepting new patients |
| Partnered Care Gold CMS Standard | HMO · Gold | Preferred | Accepting new patients |
| Partnered Care Premier Gold | HMO · Gold | Preferred | Accepting new patients |
| Partnered Care Premier Silver | HMO · Silver | Preferred | Accepting new patients |
| Partnered Care Silver CMS Standard | HMO · Silver | Preferred | Accepting new patients |
Florida Blue (BlueCross BlueShield FL)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 14 plans from Florida Blue (BlueCross BlueShield FL)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueOptions Bronze (HSA) 24J01-10 (Rewards / $4 Condition Care Rx) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-04 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-06 (Rewards) | PPO · Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-17 ($50 PCP Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-18S ($50 PCP Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-09 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-12 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-20S ($30 PCP Visits / $60 Specialist Visits / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-05 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-08 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-21S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-03 ($10 Labs / Rewards) | PPO · Silver | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-07 ($50 PCP Visits / Rewards) | PPO · Silver | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-19S ($40 PCP Visits / $80 Specialist Visits / Rewards) | PPO · Silver | Preferred | Accepting new patients |
Florida Blue HMO (a BlueCross BlueShield FL company)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 24 plans from Florida Blue HMO (a BlueCross BlueShield FL company)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCare Bronze (HSA) 24K01-09 (Rewards / $4 Condition Care Rx) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-03 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-05 (Rewards) | POS · Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-25 ($50 PCP Visits / $75 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-31S ($50 PCP Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-17 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-18 (Rewards) | POS · Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-23 ($50 PCP Visits / $75 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-26S ($50 PCP Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Gold 24K01-08 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K01-10 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K01-33S ($30 PCP Visits / $60 Specialist Visits / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K02-20 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K02-28S ($30 PCP Visits / $60 Specialist Visits / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-04 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-07 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-34S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K02-15 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K02-29S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Silver 24K01-02 ($10 Labs / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K01-06 ($50 PCP Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K01-32S ($40 PCP Visits / $80 Specialist Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K02-21 ($10 Labs / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K02-27S ($40 PCP Visits / $80 Specialist Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 17 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential ($0 Virtual Urgent Care) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Essential- ($0 Virtual Urgent Care) | HMO · Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Bronze Standard+ (Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Gold Advantage ($0 Virtual Urgent Care, $1 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Advantage+ ($0 Virtual Urgent Care, $1 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $3 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Gold Standard | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Silver Advantage ($0 Virtual Urgent Care, $5 Tier 2 Rx) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Advantage+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard+ (Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Standard- | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value ($0 Virtual Urgent Care, $5 Tier 2 Rx) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Silver Value+ ($0 Virtual Urgent Care, $5 Tier 2 Rx, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Frederick Niegos is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Frederick Niegos is enrolled to bill Medicare as a Practitioner - Endocrinology .
Bills through: Mercy Clinic Fort Smith Communities
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| AstraZeneca | $26400 |
| Novo Nordisk | $1440 |
| Sanofi | $1029 |
Other
| Promotional Speaking or Service | $22950 |
| Food and Beverage | $8586 |
| Travel and Lodging | $1400 |
Studies
Graduated in 1994Additional Specialities
- Internist
Affiliated hospitals
Questions & Answers
Does Dr. Frederick Niegos accept patients with Cigna Healthcare?
Yes, Dr. Frederick Niegos is listed in-network for Cigna Healthcare through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Frederick Niegos affiliation with hospitals?
Dr. Frederick Niegos is affiliated with MERCY HOSPITAL FORT SMITH. For the full list of hospitals see this list.
Does Dr. Frederick Niegos have affiliation with practices?
Dr. Frederick Niegos is affiliated with Cooper Clinic PA. For the full list of practices see this list.
Where can you meet with Dr. Frederick Niegos?
Dr. Frederick Niegos's office is located at 2955 Brownwood Boulevard in The Villages, FL 32163.
What conditions does Dr. Frederick Niegos treat?
Dr. Frederick Niegos provides treatment for Anemia, Arthritis, Goiter, Hypercalcemia, Hyponatremia, Urinary Tract Infection (UTI). For the full list see this list.