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Nova Oncology, PLLC

Oncology • Edinburg, TX

About

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Clinic Type

Oncology

Address

1801 South 5th Street, Suite 120, McAllen, TX 78503

Phone

956-259-9994

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://doctors.southtexashealthsystemedinburg.com/specialty/Hematology%20Oncology?page=1

Services Offered

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Team

  • Joseph Litam, Hematology Oncology — MD
  • Nirupama G Shekar, Hematology Oncology — MD
  • Everardo Cobos, Hematology Oncology — MD
  • Diane D Nguyen, Hematology Oncology — DO
  • Ghanem Daghestani, Hematology Oncology — MD
  • Nurul A Wahid, Hematology Oncology — MD
  • Raghad Abdul-Karim, Hematology Oncology — MD
  • Guillermo Lazo-Diaz, Hematology Oncology — MD

Insurance & Payment

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Languages Spoken

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Social Media

TwitterYoutubeFacebookLinkedinInstagram

Photos

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What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals - Dr. Sabir Hussain: 5.0/5.0 (6 reviews)
  • Vitals - Dr. Suresh Ratnam: 4.3/5.0 (4 ratings/1 review)
  • Vitals - Dr. Shravan Narmala: 5.0/5.0 (7 reviews)

Patients praise

  • Highly skilled and compassionate physicians
  • Clear and thorough explanations of diagnoses and treatment plans
  • Good bedside manner from specific doctors
  • Effective treatment and positive patient outcomes for many

Common complaints

  • Poor administrative and front-desk communication
  • Long wait times for appointments and during visits
  • Issues with billing and repeated charges for copays
  • Perceived lack of empathy and unprofessional behavior from staff
  • Concerns regarding the thoroughness of patient care

"The front staff is very unprofessional. Forget HIPAA . They yell at the patients not talk . Very rude and uneducated . Very frustrating to be in this office while you have a diagnosis that is life threatening."

— LocalityBiz - DHR Health Hematology Oncology Review

"Dr. Gummadi is the best!! I’ve seen her as my specialist for a while she always explains everything about my diagnosis and prognosis. I find her to be very professional and thorough. I am happy to be her patient."

— DHR Health Official Testimonials

"Dr. Hussain has been my Oncologist for the last 3 1/2 years and in my opinion he is the best. He did an excellent job of explaining and administering my Chemotherapy. His pleasant personality made me feel comfortable and relaxed during my visits."

— Vitals - Dr. Sabir Hussain Review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

In the News

Information sourced from the clinic's website as of July 11, 2026.

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