Dr. Gianna DeMase, DDS, Brewster, NY | Dentist

What patients are saying

Overall rating

4.67

Average wait time

4.80

Bedside manner

5.00

“Emmanuel the hygienist very professional , cause no discomfort in his evaluation recommend and will return”

Heriberto M.December 13, 2025

About Dr. Gianna DeMase

Dr. DeMase earned her Doctor of Dental Surgery from New York University College of Dentistry where she graduated with honors in periodontics. After dental school, Dr. DeMase completed a General Practice Residency at Jacobi Medical Center, a level one trauma hospital. Here, she participated in community outreach in the women’s health clinic and taught medical students how to do oral exams. She also worked with special needs patients in Jacobi’s Rose F. Kennedy Center. Dr. DeMase remains committed to being active in the community. Dr. DeMase has experience in cavity restoration, endodontics, oral surgery, oral pathology, and prosthodontics including implant restorations. She highly values patient education and always ensures your comfort and understanding of the treatment. She strongly believes in patient centered care and therefore tailors each treatment plan to you and your needs. As a member of the American Dental Association, Dr. DeMase is always aware of the latest studies and developments in the dental field and strives to apply them to her practice. In her spare time, she can usually be found with a book in her hands.

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In-network insurances

99% of patients have successfully booked with these insurances

Aetna

Cigna

Delta Dental

Guardian

Metlife

50+ more in-network plans

Popular visit reasons

Bridge

Dental Cleaning

Dental Consultation

Dental Surgery

Holistic Dental Consultation

Pediatric Dentist Consultation

Retainer Checkup

Root Canal

Bridge

Dental Cleaning

Dental Consultation

Dental Surgery

Office locations

Broadway Cosmetic Dentistry (1 of 3)

128 S Broadway, Tarrytown, NY 10591

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Sparkle Dental (2 of 3)

153 Stevens Ave, Ste 1, Mt Vernon, NY 10550

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Putnam Bright Smile Dentistry (3 of 3)

2410 US-6, Brewster, NY 10509

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1 of 3

Education and background

Practice names

Putnam Bright Smile Dentistry. P.C

Education and training

Dental School - New York University, Doctor of Dental Surgery
Jacobi Medical Center Building 8, Residency in General Practice

Professional memberships

American Dental Association

Languages spoken

English

Provider's gender

Female

NPI number

1306543988

Patient reviews

All reviews have been submitted by patients after interacting with the practice.

Overall rating

4.67

Wait time

4.80

Bedside manner

5.00

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6 reviews

Most relevant

Emmanuel the hygienist very professional , cause no discomfort in his evaluation recommend and will return

December 13, 2025Heriberto M.Verified patient

Have a co payment not aware of same insurance used at prior dentals no copayments

January 21, 2026Celinda B.Verified patient

March 22, 2026Karl W.Verified patient

January 4, 2026Joseph M.Verified patient

Less than 6 months agoInitials hidden

Frequently asked questions

How soon can I make an appointment with Dr. Gianna DeMase?

Generally, Dr. Gianna DeMase has appointments available on Zocdoc within 1 week. You can see Dr. DeMase's earliest availability on Zocdoc and make an appointment online.

Is Dr. Gianna DeMase accepting new patients?

Dr. Gianna DeMase generally accepts new patients on Zocdoc. You can see Dr. DeMase's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Gianna DeMase accept my insurance?

Choose your insurance plan to verify if Dr. DeMase is in-network.

Can I make an appointment with Dr. Gianna DeMase online?

Yes, you can make an appointment online with Dr. DeMase using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Gianna DeMase work with?

Dr. Gianna DeMase works with Putnam Bright Smile Dentistry. P.C.

Where is Dr. Gianna DeMase's office located?

Dr. Gianna DeMase has 3 office locations, including in Brewster, Mt Vernon, and Tarrytown, view full addresses on Dr. DeMase's profile.

What are common reasons for patients to see Dr. Gianna DeMase?

Dr. Gianna DeMase frequently sees patients for Bridge, Dental Cleaning, Dental Consultation, Pediatric Dentist Consultation, and Root Canal. You can see other visit reasons for Dr. Gianna DeMase on their profile.

What languages does Dr. Gianna DeMase speak?

Dr. Gianna DeMase speaks English.

How do patients rate Dr. Gianna DeMase in reviews?

6 patients have reviewed Dr. Gianna DeMase. The overall rating for this doctor is 4.67/5. They have a 5/5 rating for bedside manner and a 4.8/5 rating for wait time. You can read individual reviews and ratings on their profile.