Dr. Sasha B. Grek
- Gender: Male
- Experience: 17 years
- Sole propriator: No
- NPI: 1558438085
Dr. Sasha B. Grek MD
Critical Care Specialist
He is located at 1600 Lakeland Hills Boulevard in Lakeland, FL 33805. Can help patients with the following: Diarrhea, Influenza, Low Blood Pressure, Peptic Ulcer, Prescription Refill, Rhabdomyolysis. His National Provider Identifier (NPI) number is 1558438085. Appointment can be made via the phone number (863) 680-7000.
Conditions treated
Dr. Sasha Boris Grek, being an critical care specialist, 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. Sasha B. Grek.
- Abdominal Pain
- Acute Pain
- Acute Respiratory Distress Syndrome (ARDS)
- Anemia
- Arthritis
- Asphyxia
- Asthma
- Atherosclerosis
- Bladder Control
- Burns
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Constipation
- Cystitis
- Dehydration
- Diarrhea
- Edema
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Anesthesia
- General Care
- Headache
- Heart Disease
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperkalemia
- Hyperlipidemia
- Hyperthermia
- Hyponatremia
- Hypothermia
- Influenza
- Inguinal Hernia
- Low Blood Pressure
- Low Potassium
- Malnutrition
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pain Medication Management
- Peptic Ulcer
- Prescription Refill
- Pulmonary Edema
- Regional Anesthesia
- Rhabdomyolysis
- Sedation
- Urethritis
- Urinary Tract Infection (UTI)
- Wrist Surgery
Procedures Performed by Dr. Sasha B. Grek
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Sasha B. Grek as in-network for the following 2026 plans.
Health plans
Oscar Health Maintenance Organization of Florida
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 26 plans from Oscar Health Maintenance Organization of Florida
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic 4700 | with AdventHealth | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | with AdventHealth | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | with AdventHealth | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes (2 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard (2 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| Gold Classic Standard | with AdventHealth | HMO · Gold | Preferred | Accepting new patients |
| Gold Elite Saver Plus | with AdventHealth | HMO · Gold | Preferred | Accepting new patients |
| Gold Simple | HMO · Gold | Preferred | Accepting new patients |
| Gold Simple | with AdventHealth | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic Standard (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Elite | HMO · Silver | Preferred | Accepting new patients |
| Silver Elite | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits (2 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | with AdventHealth | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits (2 plan variants) | HMO · Silver | 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. Sasha B. Grek 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. Sasha B. Grek is enrolled to bill Medicare as a Practitioner - Anesthesiology (also registered under: Practitioner - Critical Care (intensivists), 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
| Edwards Lifesciences | $125 |
| Ethicon Us | $14 |
Other
| Food and Beverage | $140 |
Additional Specialities
- Anesthesiologist
- Internist
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Questions & Answers
Where can you meet with Dr. Sasha Boris Grek?
Dr. Sasha Boris Grek's office is located at 1600 Lakeland Hills Boulevard in Lakeland, FL 33805.
What conditions does Dr. Sasha Boris Grek treat?
Dr. Sasha Boris Grek provides treatment for Diarrhea, Influenza, Low Blood Pressure, Peptic Ulcer, Prescription Refill, Rhabdomyolysis. For the full list see this list.
Does Dr. Sasha Boris Grek accept patients with Oscar Health Maintenance Organization of Florida?
Yes, Dr. Sasha Boris Grek is listed in-network for Oscar Health Maintenance Organization of Florida through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.