Avista Medical Center

Clinic Profile

Name: Avista Medical Center
Location: 690 E Warner Rd #133, Gilbert, AZ 85296
Phone: (480) 892-1212

Hours

• Monday, Tuesday, Friday: 7:00 AM – 4:00 PM

• Wednesday, Thursday: 9:00 AM – 6:00 PM

Services

Avista Medical Center provides a range of healthcare services including:

• Family medicine and primary care

• Medical weight loss programs

• Allergy testing and treatment

• Hormone therapy for men and women

• In-house CLIA Certified laboratory services including PCR and rapid DNA testing

• Pharmacy services

• Phlebotomy

• Sleep studies

• Diagnostic testing

• Spirometry

• Echocardiograms

• Medical screenings

• Body composition scans

Additional Features

The clinic offers telehealth services and aims to provide on-time appointments. It accepts most major insurance plans including Medicare, as well as credit cards and cash payments.

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Medical Membership Program

Avista Medical Center also offers a Direct Primary Care membership program, designed to improve health outcomes while helping reduce healthcare costs.

Background and History

Avista Medical Center was incorporated on May 16, 2011, and began operating as a clinical practice on October 6, 2015.

The clinic is owned and directed by Dr. Punya K. Raman, M.D., who has served as Medical Director since 2011.

Dr. Raman is board-certified in family medicine and obesity medicine and has more than 30 years of clinical experience. The clinic operates under a patient-focused philosophy, adapting policies and services based on patient feedback.

Chad Gammage serves as co-owner and General Manager of the center.

Services and Programs

Family Medicine and Primary Care

The clinic offers comprehensive healthcare services for patients of all ages, including preventive care, wellness visits, and management of chronic health conditions.

Medical Weight Loss Programs

Avista Medical Center provides more than 30 customized bariatric weight loss plans supervised by a board-certified bariatric physician.

Diet programs include:

• Semaglutide plans

• Tirzepatide plans

• Keto diet programs

• Protein-based diets

• MEDbalance diet plans

The clinic also offers Dr. Raman’s Good-Life Bariatric Weight Loss Program, an 18-month program designed to promote long-term weight loss. The program includes the AVISTAmed “Keep-It-Off Guarantee”.

Free consultations are available for weight loss programs.

Semaglutide Weight Loss Program

The clinic provides medically supervised GLP-1 injection therapy using semaglutide, administered once weekly to help regulate appetite, blood sugar levels, and feelings of fullness.

Typical reported results include 25–35 pounds or more of weight loss within the first three months.

Possible side effects include:

• Abdominal pain

• Bloating

• Constipation

• Diarrhea

• Injection site discomfort

• Nausea

• Vomiting

These side effects are generally described as mild and manageable.

Patients are advised to reduce fatty, fried, fast, and high-sugar foods, drink clear fluids, and eat smaller, bland meals slowly to help minimize side effects.

HCG Diet Program (MEDhcgdiet)

The clinic offers a medically supervised program that combines HCG injections with a very low-calorie diet intended to promote fat loss while preserving lean body mass.

Hormone Therapy

Hormone replacement therapy is available for both men and women and includes testosterone injections and transdermal treatments.

The clinic offers 10% discounts on hormone testing and treatment programs.

Additional Services

Additional diagnostic and treatment services include:

• Allergy testing and treatments

• Onsite CLIA Certified laboratory services

• PCR and rapid DNA testing

• Phlebotomy services

• Sleep studies

• Spirometry testing

• Echocardiograms

• Diagnostic screenings

• Body composition analysis

Discounts and Special Offers

The clinic provides several promotional offers including:

• 10% discount up to $100 for cash-pay services, hormone therapy, immunotherapy, and wellness or drug screening panels

• Free B-12 injections with testing and therapy services

• Hormone therapy price match guarantee, beating competitor prices by 5%

The Medical Membership Club promotes cost savings and may help patients save up to $10,000 per year on healthcare services.

Doctors and Medical Professionals

Dr. Punya K. Raman, M.D.

• Board-certified family physician and bariatric physician

• More than 30 years of clinical experience

• Trained in general surgery in India

• Practicing family medicine in the United States since 2000

• Board-certified in obesity medicine

• Affiliated with Banner Baywood Medical Center and Banner Gateway Medical Center

Brian Allen, PA

Physician Assistant who provides consultations for medical weight loss programs, including semaglutide-based treatments.

Support Staff

The clinic also operates with the assistance of a team known as the MOD Squad (Medical Assistant of the Day), which supports patient check-in, check-out, and communication to improve operational efficiency.

Chad Gammage

Co-owner and General Manager.

Reviews and Patient Feedback

Avista Medical Center has received generally positive feedback from patients.

• Google Rating: Approximately 4.5 to 4.6 out of 5 from around 183–189 reviews

• Facebook Rating: 4.9 out of 5 from 69 reviews

• Zocdoc Rating for Dr. Raman: 4.84 out of 5 from 85 reviews with 97% patient satisfaction (as of November 2019)

Common themes in patient feedback include:

• Friendly and professional staff

• Compassionate care from Dr. Raman

• Effective and personalized weight loss programs

• Efficient scheduling and minimal wait times

Some patients have reported occasional issues related to medication refills requiring appointments or delays due to appointment availability and blood testing requirements.

Patients also frequently praise staff members Jennifer, Ashley, and Gaby for their professionalism and welcoming approach.

No major patterns of negative feedback were identified.

Testimonials

“Love the Avista team. Best medical I’ve had over the past 2 years.”

“I’ve been working with Dr. Raman for well over a year now. Staff is incredibly friendly and make scheduling a breeze.”

“Dr. Raman and her staff are amazing! With their guidance and support, I was able to meet my weight loss goal in 6 months.”

“Very professional, knowledgeable MD, listens to the patients. Clean and professional environment. Staff great! thank you!” — Munira M.

“The lab technician is amazing, he is incredibly efficient. This makes such a difference to people, and it is appreciated.”

“The visit went well. Sunildutt is one great doctor and am very lucky to have to have him, the staff is just as good thanks all of you.” — Ramiro Hernandez

No detailed negative testimonials were publicly identified.

It is also noted that references to Avista Adventist Hospital and Avista Senior Living in Gilbert refer to separate organizations that are not connected to Avista Medical Center.

Pricing and Value Signals

Medical weight loss programs begin at $299.99 for a four-week customized program.

The clinic offers free consultations for weight loss programs.

Additional discounts include:

• 10% off up to $100 for cash-pay services, hormone therapy, immunotherapy, and wellness or drug screening panels

• Free B-12 injections with testing or therapy services

• Hormone therapy price match guarantee beating competitor prices by 5%

The clinic also provides a Direct Primary Care membership program, which may help patients save up to $10,000 annually on healthcare services.

Full pricing for all treatment packages and services is not publicly available.

Risks, Gaps, and Verification Notes

Semaglutide treatments may produce side effects such as abdominal pain, bloating, constipation, diarrhea, injection site discomfort, nausea, and vomiting. These effects are generally described as mild and temporary.

There is limited public information available regarding detailed pricing, package inclusions, and the full cost structure for treatments.

Most testimonials available online originate from the clinic’s website or general directories, while independently verified patient feedback is more limited.

The clinic holds an A+ rating with the Better Business Bureau, though it is not listed as BBB accredited.

Additionally, multiple healthcare organizations with similar names exist in the region, including Avista Adventist Hospital and Avista Senior Living, which are separate entities unrelated to Avista Medical Center.

Some public reviews mention occasional delays in medication refills or scheduling appointments.