Dr. Mariana Fernandez
- Gender: Female
- Experience: 24 years
- Graduation year: 1997
- Sole propriator: No
- NPI: 1063484285
Dr. Mariana Fernandez MD
Hospitalist
She is located at 1600 Lakeland Hills Boulevard in Lakeland, FL 33805. Can help patients with the following: Cholecystitis, Constipation, General Care, High Blood Pressure, Prescription Refill, Urethritis. Her National Provider Identifier (NPI) number is 1063484285. Appointment can be made via the phone number (863) 680-7000. She is affiliated with 2 practices and 1 hospitals.
Conditions treated
Dr. Mariana Fernandez, being an hospitalist, 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. Mariana Fernandez.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Asthma
- Atherosclerosis
- Bladder Control
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Peptic Ulcer
- Prescription Refill
- Urethritis
- Urinary Tract Infection (UTI)
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Mariana Fernandez 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 | Not accepting new patients |
| Connect Bronze Mid-South 5500 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Bronze Mid-South CMS Standard | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Bronze Orlando 3000 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Bronze Orlando 6000 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Bronze Orlando CMS Standard | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Bronze South FL 3800 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Bronze South FL 7000 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Bronze South FL CMS Standard | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Gold Mid-South 2250 Indiv Med Deductible | EPO · Gold | Preferred | Not accepting new patients |
| Connect Gold Mid-South 850 Indiv Med Deductible | EPO · Gold | Preferred | Not accepting new patients |
| Connect Gold Mid-South CMS Standard | EPO · Gold | Preferred | Not accepting new patients |
| Connect Gold Orlando 1500 Indiv Med Deductible | EPO · Gold | Preferred | Not accepting new patients |
| Connect Gold Orlando CMS Standard | EPO · Gold | Preferred | Not accepting new patients |
| Connect Gold South FL 1500 Indiv Med Deductible | EPO · Gold | Preferred | Not accepting new patients |
| Connect Gold South FL CMS Standard | EPO · Gold | Preferred | Not accepting new patients |
| Connect myDiabetesCare Bronze Mid-South | EPO · Expanded Bronze | Preferred | Not accepting new patients |
| Connect Silver Mid-South 3800 Indiv Med Deductible | EPO · Silver | Preferred | Not accepting new patients |
| Connect Silver Mid-South 4500 Indiv Med Deductible | EPO · Silver | Preferred | Not accepting new patients |
| Connect Silver Mid-South CMS Standard | EPO · Silver | Preferred | Not accepting new patients |
| Connect Silver Orlando 3500 Indiv Med Deductible | EPO · Silver | Preferred | Not accepting new patients |
| Connect Silver Orlando 5000 Indiv Med Deductible | EPO · Silver | Preferred | Not accepting new patients |
| Connect Silver Orlando CMS Standard | EPO · Silver | Preferred | Not accepting new patients |
| Connect Silver South FL 2850 Indiv Med Deductible | EPO · Silver | Preferred | Not accepting new patients |
| Connect Silver South FL 4500 Indiv Med Deductible | EPO · Silver | Preferred | Not accepting new patients |
| Connect Silver South FL CMS Standard | EPO · Silver | Preferred | Not 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 | Not accepting new patients |
| Partnered Care Gold CMS Standard | HMO · Gold | Preferred | Not accepting new patients |
| Partnered Care Premier Gold | HMO · Gold | Preferred | Not accepting new patients |
| Partnered Care Premier Silver | HMO · Silver | Preferred | Not accepting new patients |
| Partnered Care Silver CMS Standard | HMO · Silver | Preferred | Not 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. Mariana Fernandez 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. Mariana Fernandez is enrolled to bill Medicare as a Practitioner - Hospitalist (also registered under: Practitioner - Internal Medicine) .
Bills through: Lakeland Regional Health Systems Inc
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
| E.R. Squibb \u0026 Sons | $242 |
| Janssen | $186 |
| Otsuka Pharmaceutical | $129 |
Other
| Food and Beverage | $679 |
Studies
Graduated in 1997Additional Specialities
- Internist
Looking for more Hospitalists?
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- Gender: Female
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
- Gender: Male
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
- Gender: Male
- Address: Suite 106 1563 Kingsley Avenue Orange Park, 32073, FL
- Gender: Male
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
- Gender: Male
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
- Gender: Male
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
- Gender: Female
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
- Gender: Male
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
- Gender: Male
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
- Gender: Male
- Address: 1324 Lakeland Hills Boulevard Lakeland, 33805, FL
Questions & Answers
Has Dr. Mariana Fernandez affiliation with hospitals?
Dr. Mariana Fernandez is affiliated with LAKELAND REGIONAL MEDICAL CENTER.
Does Dr. Mariana Fernandez accept insurance?
Dr. Mariana Fernandez is listed in-network for 31 ACA Marketplace (Obamacare/HealthCare.gov) plans from Cigna Healthcare, Cigna HealthCare of Florida, Inc.. See the Marketplace plans section for details.
Where can you meet with Dr. Mariana Fernandez?
Dr. Mariana Fernandez's office is located at 1600 Lakeland Hills Boulevard in Lakeland, FL 33805.
What conditions does Dr. Mariana Fernandez treat?
Dr. Mariana Fernandez provides treatment for Cholecystitis, Constipation, General Care, High Blood Pressure, Prescription Refill, Urethritis. For the full list see this list.
Does Dr. Mariana Fernandez have affiliation with practices?
Dr. Mariana Fernandez is affiliated with Watson Clinic. For the full list of practices see this list.