Dr. Jeffrey O. Greenberg, MD

Internal Medicine

(7 reviews)
Accepting new patients Group 9 15 years of experience


Dr. Jeffrey O. Greenberg, MD is an Internist (Primary Care Doctor) in Watertown, MA. He specializes in Internal Medicine, has 15 years of experience, and is board certified. He graduated from University of Pennslvania .

Dr. Jeffrey O. Greenberg, MD works at Firefly Health. He is accepting new patients and accepts AmeriChoice by UnitedHealthcare, Blue Care Network of Michigan, and other major insurance plans. Please call ahead to schedule an appointment with Dr. Jeffrey O. Greenberg,...

About Dr. Jeffrey O. Greenberg, MD


  • Internal Medicine


  • Acute Care
  • Allergies
  • Anxiety
  • Anxiety And Depression
  • Arthritis
  • Birth Control / Contraception
  • Blood Pressure Management
  • Breast Cancer Screening
  • Cancer Screening
  • Cholesterol
  • Cold And Flu
  • Depression
  • Diabetes Management
  • Female health
  • Gastrointestinal
  • Grief
  • Health Coaching
  • High Blood Pressure (hypertension)
  • Infections
  • Insomnia and Sleep Problems
  • Joint Pain
  • Menopausal Care
  • Mental Health
  • Migraine And Headache Solutions
  • Nausea
  • Pap Smear
  • Preconception Counseling
  • Preventative Care
  • Primary Care
  • Primary Care & Women's Health
  • Primary Care for Adults
  • Rashes and other skin ailments
  • Smoking Cessation
  • Sprain / Strains
  • Stress Management
  • Vomiting
  • Weight Loss & Nutrition
  • Weight Management
  • Wellness

Years of Experience

15 years of experience

Languages Spoken

  • English
  • French
  • Spanish



NPI Number


Education & Certifications

Medical Education

  • University of Pennslvania - Doctor of Medicine


  • Massachusetts General Hospital - Internal Medicine

Board Certifications

  • ABMS

Insurance Plans Accepted

A provider may accept your insurance carrier, but may not cover your specific insurance plan. Please contact your insurance carrier or the provider’s office directly for the most accurate coverage information.

  • AmeriChoice by UnitedHealthcare
  • Blue Care Network of Michigan

Ratings & Reviews

Average provider rating


Based on 7 reviews

Time with patient

Accuracy of diagnosis

Listening skills

Clear explanations

Trust in decision making

Post visit follow-up

Office & Staff Evaluation

Office appearance

out of 5

Ease of scheduling

out of 5

Friendly staff

out of 5

Billing matters

out of 5

Average wait time

Less than 5 minutes

Patient Reviews

7 reviews

5 star
4 star
3 star
2 star
1 star
Nov 23, 2020
Zoom call felt very comfortable

I was able to get the information And direction I was looking for

Al T.

Accepting New Patients Icon Verified patient
Dec 16, 2020
Very helpful and attentive

I've had a good experience with Dr Greenberg, he's attentive and accurate with his diagnoses. I feel like he has a genuine interest in my well being.


Accepting New Patients Icon Verified patient
Feb 11, 2021
Great first interaction

I finished my first appointment with Dr. Greenberg/Firefly Health a little while ago. What a pleasure to have someone focused and listening to my questions and concerns without the distractions of a typical busy practice. I was a little...

N. M.

Accepting New Patients Icon Verified patient


Firefly Health

101 Walnut Street,

Watertown, MA 02472

  • Saturday Closed

Frequently Asked Questions