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Thyroid, Diabetes & Weight Loss Management

Contact us for an appointment

Meet Our Medical Specialists


The GN Endocrinology team helps numerous patients start their journey to a healthier life by providing them with solutions and treatment options that allow them to increase their quality of life. Our treatment plans are designed for steady progress, with every phase promptly implemented.

Together lets reach your optimal level of health and lifestyle!

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Amer Kassar, M.D

Board Certified in Endocrinology,

Diabetes, and Metabolism

Jacquelyn Adley
FNP-C

Victoria Barajas
MSN, FNP-C

Lisa PoradziszMSN, FNP-C, CDCES, LDE 

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Jillian Finley
FNP-C

Krista Nguyen
DNP

Erendira Odle
FNP-C

Alejandra Garcia
FNP-C

Our Locations 

Our Hours

Munster 

10012 Calumet Ave, Suite A  Munster, IN 46321

PH: 219-227-5119

FX: 219-227-5190

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Hobart

170 Bracken Parkway

Hobart, IN 46342

PH: 219-945-3070

FX: 219-940-9560

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NIS (Non Invasive Services)

174 Bracken Parkway

Hobart, IN 46342

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Valparaiso

401 Wall St, Suite C

Valparaiso, IN 46383

PH: 219-544-3338

FX: 219-476-3370

MUNSTER

Monday - Friday

8 AM - 5 PM

(Closed for lunch 12-1)

Saturday 

8 AM - 12 PM

 

HOBART

Monday - Friday

8 AM - 5 PM

(Closed for lunch 12-1)

Saturday

8 AM- 12 PM 

*2-3 Saturdays per month, call for availability

 

VALPARAISO

Monday - Thursday 

8 AM - 5 PM

(Closed for lunch 12-1)

Friday

8 AM- 5 PM

*2-3 Fridays per month, call for availability

Patient Testimonials

“Dr. Kassar is excellent for diabetes and his staff is wonderful!  He has the best nurse practitioner's. They all know how to help with weight, to help you in controlling your diabetes. I can NEVER say enough.”

Linda Felta

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