Dr. Errol Olwyn Grannum, MD

2013 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2013 were eye procedures, revision surgery, ultrasound (sonogram) and laser treatment.

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD in 2013

The most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated during 2013 were hypertension, high cholesterol, diabetes and ischemic heart disease.

2014 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2014 were eye procedures, ultrasound (sonogram), revision surgery and .

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD in 2014

The most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated during 2014 were hypertension, high cholesterol, diabetes and ischemic heart disease.

2015 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2015 were eye procedures, ultrasound (sonogram), laser treatment and revision surgery.

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD in 2015

The most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated during 2015 were high cholesterol, hypertension, diabetes and ischemic heart disease.

2016 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2016 were eye procedures, laser treatment, ultrasound (sonogram) and excision.

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD in 2016

The most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated during 2016 were high cholesterol, hypertension, diabetes and chronic kidney disease.

2017 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2017 were eye procedures, laser treatment, ultrasound (sonogram) and .

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD in 2017

The most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated during 2017 were hypertension, high cholesterol, diabetes and chronic kidney disease.

2018 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2018 were eye procedures, ultrasound (sonogram), laser treatment and .

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD in 2018

The most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated during 2018 were high cholesterol, hypertension, diabetes and chronic kidney disease.

2019 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2019 were eye procedures, ultrasound (sonogram), laser treatment and excision.

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD in 2019

The most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated during 2019 were high cholesterol, hypertension, diabetes and chronic kidney disease.

2020 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2020 were eye procedures, ultrasound (sonogram), laser treatment and .

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD in 2020

The most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated during 2020 were high cholesterol, hypertension, diabetes and chronic kidney disease.

2021 Medicare Procedure Volume

The top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX during 2021 were eye procedures, laser treatment, ultrasound (sonogram) and injections.

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

Average Medicare Procedure Volume From 2013 - 2021

Volume of procedures performed by Dr. Errol Olwyn Grannum, MD for Medicare patients.

The highest averages for the top procedures that Dr. Errol Olwyn Grannum, MD treated as an ophthalmologist in McAllen, TX were eye procedures, ultrasound (sonogram), laser treatment and injections.

Average Medicare Patient Data From 2013 - 2021

Information about Medicare patients treated by Dr. Errol Olwyn Grannum, MD.

Average of Total of Conditions of Medicare patients treated by Dr. Errol Olwyn Grannum, MD From 2013 - 2021

The highest averages of the most common conditions of Medicare patients that Dr. Errol Olwyn Grannum, MD treated were hypertension, high cholesterol, diabetes and ischemic heart disease.