Greg Gulbransen, DO

Adolescent Medicine • Oyster Bay, NY

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About

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Clinic Type

Adolescent Medicine

Address

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Phone

(888) 321-DOCS

Email

foundation@northwell.edu

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.northwell.edu/find-care/find-a-doctor/dr-greg-gulbransen-do-1073511622

Emergency Care

For a Northwell ambulance, call (833) 259-2367.

Services Offered

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Team

Greg Gulbransen, DO — DO, Adolescent Medicine

Insurance & Payment

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Pay a bill, Price transparency

Languages Spoken

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FAQs

What are the hours for scheduling an appointment?

Our representatives are available to schedule your appointment Monday through Friday from 9am to 5pm.

Social Media

Twitter Youtube Facebook Linkedin Instagram

Photos

What Patients Say

Overall sentiment across review platforms: mixed

Vitals: 4.3 out of 5 stars (87 ratings)
RateMDs: 4.4 out of 5 stars (29 reviews)
WebMD Care: 4.5 out of 5 stars (79 ratings)
Birdeye: 4.4 out of 5 stars (36 reviews)

Patients praise

Many patients view Dr. Gulbransen himself as a knowledgeable, caring, and attentive pediatrician who listens to concerns
Frequently praised for his dedication, responsiveness, and availability for patients
Several reviewers describe him as warm, kind, and excellent with children

Common complaints

Significant recurring complaints regarding office staff, including unfriendliness, dismissiveness, poor communication, and unprofessional behavior
Some reports of difficulty scheduling appointments and issues with office management/billing practices
Occasional reports of the doctor himself appearing unprofessional, arrogant, or dismissive in specific encounters
Some patients have left the practice specifically due to the staff/office environment despite liking the doctor personally

"Dr G is a phenomenal doctor. However his choice of staff leaves much to be desired and will cost him business in the long run of things."

— RateMDs

"Dr. Gulbransen is an amazing doctor with great personality and has been my children's pediatrician for over a decade. It is sad that my frustrations with the office management is the reason I am seeking out a pediatrician elsewhere."

— Healthgrades

"Warmth, kindness, sensitivity and humor... all rolled up into this incredible pediatrician who my kids have been going to since they were born. Dr. Greg is wonderful!"

— Birdeye

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

In the News

The Extraordinary Life and Story of Dr. Greg Gulbransen. And Two Images You Could Not Make on a Cloudy Morning « Arthur Morris/BIRDS AS ART — Jul 18, 2025

Information sourced from the clinic's website as of July 11, 2026. Own this clinic? Claim or correct this listing.