Dr. Errol Grannum, MD

Dr. Errol Grannum, MD

Ophthalmology  ·  
Male  ·  
Age 52
(4)
Save
Dr. Errol Grannum, MD is an ophthalmology specialist in McAllen, TX and has been practicing for 25 years. He graduated from Yale Univ Sch Of Med in 1993 and specializes in ophthalmology.

1910 S 1st St Ste 400

McAllen, TX 78503

Contact Information

Insurance Accepted

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Texas
  • Cigna
  • Humana
  • MultiPlan

*Please verify this information when scheduling an appointment.

Learn about Dr. Grannum

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Grannum performs your care needs compared to other doctors.

Blepharitis
very high
more than 99% of peers
Eyelid Disorders
very high
more than 99% of peers
Glaucoma
very high
more than 99% of peers

Dr. Grannum's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Ophthalmology

0  Board Certifications

Dr. Grannum does not have any board certifications listed.

62  Conditions Treated

  • Age-Related Macular Degeneration
  • All Headaches (incl. Migraine)
  • Aphakia and Other Disorders of Lens
  • Astigmatism
  • Autoimmune Diseases
  • Bell's Palsy
  • Benign Neoplasm of Eye
  • Benign Tumor
  • Blepharitis
  • Blind Hypotensive Eye
  • Blindness
  • Brain Disorders
  • Cancer
  • Cataract
  • Chalazion
  • Conjunctival Hemorrhage
  • Corneal Abrasion or Laceration
  • Corneal Diseases
  • Corneal Ulcer
  • Diabetic Macular Edema (DME)
  • Diabetic Retinopathy
  • Drooping Eyelids (Ptosis)
  • Dry Age-Related Macular Degeneration
  • Dry Eyes
  • Endophthalmitis
  • Entropion
  • Esotropia
  • Exotropia
  • Eye Cancer
  • Eye Infections
  • Eyelid Disorders
  • Farsightedness
  • Floaters
  • Glaucoma
  • Headache
  • Hypotony of Eye
  • Iridocyclitis
  • Keratitis
  • Keratoconus
  • Lazy Eye
  • Macular Edema
  • Macular Hole
  • Nearsightedness
  • Nystagmus
  • Ocular Hypertension
  • Pinguecula
  • Pinkeye (Conjunctivitis)
  • Presbyopia
  • Pterygium
  • Retina Diseases
  • Retinal Detachment and Retinal Tear
  • Retinal Vein Occlusion
  • Senile Cataracts
  • Stye
  • Thyroid Disease
  • Trichiasis
  • Ulcer
  • Uveitis and Iridocyclitis
  • Vascular Disease
  • Visual Field Defects
  • Vitreous Hemorrhage
  • Wet Age-Related Macular Degeneration

Less

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14  Procedures

  • Cataract Removal Surgery
  • Destruction of Lesion of Retina and Choroid
  • Excision of Chalazion
  • Eye Surgery
  • Eyelid Surgery
  • Glaucoma Surgery
  • Iridectomy
  • Ocular Surface Reconstruction
  • Paracentesis of Anterior Eye
  • Pterygium Surgery
  • Repair of Eye Laceration
  • Scleral Reinforcement Surgery
  • Vitrectomy (incl. Macular Hole Repair)
  • Vitreoretinal Surgery

Background Check

0 Malpractice Claims

No malpractice history found for Texas.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.

Education

  • Yale Univ Sch Of Med
    Medical School | Graduated 1993

Awards & Recognition

Awards & Honors

Dr. Grannum has no awards or honors listed.

Media & Publications

Dr. Grannum has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. Grannum does not have any memberships or affiliations listed. If you are Dr. Grannum and would like to add memberships or affiliations, please update your profile.

Dr. Grannum's Reviews

5.0
Likelihood of recommending Dr. Grannum to family and friends
4 total reviews

Likelihood to Recommend (4)

  • 5
    (4)
  • 4
    (0)
  • 3
    (0)
  • 2
    (0)
  • 1
    (0)

Dr. Grannum's Performance

  • Trustworthiness

    EXCELLENT
  • Explains condition(s) well

    EXCELLENT
  • Answers questions

    EXCELLENT
  • Time well spent

    EXCELLENT

Office & Staff Performance

  • Scheduling

    EXCELLENT
  • Office environment

    EXCELLENT
  • Staff friendliness

    EXCELLENT
  • Average wait time

    16 to 30 minutes
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