Dr. Sasha B. Grek
Last updated: Jun 3, 2025

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
Oscar Health Maintenance Organization of Florida plans
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.

Insurance information looks wrong? Let us know

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.