Highlights
- Board Certified
Biography
Andy Ellner doesn’t just provide quality primary care. He believes everyone and anyone should have access to it. And with a successful career holding such positions as the founding co-director of Harv… Read more ›
Featured Review See More Reviews
Dr. Ellner made a great first impression. He was professional, compassionate, actively listened and provided a follow-up visit opportunity. I look forward to continuing my care with him and his team.…
Summary
Provider Training
| University | Degree | Focus | Graduated |
|---|---|---|---|
| Harvard Medical School, Boston, Massachusetts | Doctorate | Doctor of Medicine | 2004 |
| Institution | Focus | Year |
|---|---|---|
| Internship - Brigham & Women's Hospital | Not Specified |
| Certification | Cert. Body | Year |
|---|---|---|
| Internal Medicine | 2007 | |
| Internal medicine Sub-Specialty: Adolescent Medicine | Internal Medicine | 2007 |
Experience & Accolades
| Role | Organization | Time |
|---|---|---|
| Member | National Center for Complex Health and Social Needs | 2016 - 2020 |
| Member, Board of Trustees | In Tune For Life | 2010 - 2020 |
| Co-founder and member, Board of Directors | Primary Care Progress | 2009 - 2020 |
| Member, National Leadership Council | Kraft Center for Community Health | 2012 - 2016 |
Practice & Hospital Affiliations
- Brigham and Women's Hospital
Boston, Massachusetts - 02115
Photos





Specialties
Languages Spoken
EnglishMedical Specialties
- Other Healthcare Provider
Years In Practice: 15 (started in 2011)
Accepts New Patients: Yes
Dr. Ellner specializes in treating the following types of patients:
- Adults
Medical Philosophy: Traditional Medicine
Payment Options
Payment DetailsReviews
Number of Reviews: 12
Most Recent Review: 03/22/2023
Office & Staff Evaluation
Provider Evaluation
Review by
Rebecca M.
on
March 22, 2023
-
Firefly Health - 101 Walnut Street
Office & Staff Evaluation
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Ease of Getting an Appointment
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Courtesy of Practice Staff
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Appearance & Atmosphere of Office
- Handling of Billing & Insurance Not rated
- Average Wait Time Less than 5 minutes
“Excellent first visit.”
Dr. Ellner made a great first impression. He was professional, compassionate, actively listened and provided a follow-up visit opportunity. I look forward to continuing my care with him and his team.
Review by
Roy D.
on
June 15, 2022
-
Firefly Health - 101 Walnut Street
Office & Staff Evaluation
-
Ease of Getting an Appointment
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Courtesy of Practice Staff
- Appearance & Atmosphere of Office Not rated
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Handling of Billing & Insurance
- Average Wait Time Not rated
“Great”
Best thing to ever happen with any other doctor
Review by
Maxwell R.
on
May 18, 2022
-
Firefly Health - 101 Walnut Street
Office & Staff Evaluation
-
Ease of Getting an Appointment
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Courtesy of Practice Staff
-
Appearance & Atmosphere of Office
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Handling of Billing & Insurance
- Average Wait Time Not rated
“Very satisfied.”
He listened and directed me accordingly.
Review by
Roy D.
on
April 26, 2022
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Firefly Health - 101 Walnut Street
Office & Staff Evaluation
-
Ease of Getting an Appointment
-
Courtesy of Practice Staff
- Appearance & Atmosphere of Office Not rated
-
Handling of Billing & Insurance
- Average Wait Time Not rated
“Great”
They look over all my medical conditions and assess what they can do.
Review by
A. B.
on
August 11, 2021
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Firefly Health - 101 Walnut Street
Office & Staff Evaluation
-
Ease of Getting an Appointment
-
Courtesy of Practice Staff
-
Appearance & Atmosphere of Office
- Handling of Billing & Insurance Not rated
- Average Wait Time Less than 5 minutes
“Very easy to schedule and actually talk to a Doctor.”
Great experience. It was very easy to book an appointment and be seen within a short period of time.
Review by
Anonymous
on
July 27, 2022
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Firefly Health - 101 Walnut Street
Office & Staff Evaluation
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Ease of Getting an Appointment
-
Courtesy of Practice Staff
-
Appearance & Atmosphere of Office
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Handling of Billing & Insurance
- Average Wait Time Not rated
“My experience felt very productive.”
I was able to address my concerns and my provider listened to them. I believe genuine progress has been made and I'm ready for the next step.
Review by
D. K.
on
May 24, 2022
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Firefly Health - 101 Walnut Street
Office & Staff Evaluation
-
Ease of Getting an Appointment
-
Courtesy of Practice Staff
-
Appearance & Atmosphere of Office
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Handling of Billing & Insurance
- Average Wait Time Not rated
“Welcoming and pleasant”
Great listener! Provided clear explanation of services in addition to medical insight.
Review by
Mario B.
on
May 11, 2022
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Firefly Health - 101 Walnut Street
Office & Staff Evaluation
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Ease of Getting an Appointment
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Courtesy of Practice Staff
-
Appearance & Atmosphere of Office
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Handling of Billing & Insurance
- Average Wait Time Less than 5 minutes
“Great”
He was professional and courteous
Review by
Joseph F.
on
February 16, 2022
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Firefly Health - 101 Walnut Street
Office & Staff Evaluation
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Ease of Getting an Appointment
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Courtesy of Practice Staff
-
Appearance & Atmosphere of Office
- Handling of Billing & Insurance Not rated
- Average Wait Time Not rated
“Very satisfied with the doctor”
Very eell
Review by
Luke V.
on
June 08, 2021
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Firefly Health - 101 Walnut Street
Office & Staff Evaluation
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Ease of Getting an Appointment
-
Courtesy of Practice Staff
-
Appearance & Atmosphere of Office
-
Handling of Billing & Insurance
- Average Wait Time Not rated
“Beyond exceptional!. My whole family thrives on his positivity and professionalism.”
My whole family thrives on his positivity and professionalism and of course easily relatable. You could not ask for a better doctor. He gets 6 out 5 stars.
Locations
Affiliated Practices
Firefly Health
101 Walnut StreetWatertown, MA 02472
Practice Colleagues
Melissa Forbes, CNP - Nurse Practitioner
Dr Jeffrey Greenberg, MD - Other Healthcare Provider
Kimberly Warden, MSN, CNP, N - Nurse Practitioner
Dr Laura Desrochers, MD - Other Healthcare Provider
Procedures & Services
Procedures & Treatments Offered
- Acute Care
- Allergies
- Anxiety
- Anxiety And Depression
- Arthritis
- Asthma
- Back Pain
- Birth Control
- Blood Pressure Management
- Breast Cancer Screening
- Cancer Screening
- Cholesterol
- Chronic Pain
- Cold And Flu
- Depression
- Diabetes Management
- Female health
- Gastro Intestinal Disorders
- Gastrointestinal
- Grief
- Health Coaching
- High Blood Pressure (hypertension)
- Infections
- Insomnia
- Joint Pain
- Lifestyle Coaching
- Menopausal Care
- Migraine And Headache Solutions
- Nausea
- Nausea And Vomiting
- Nutrition & Lifestyle
- Pap Smear
- Preconception Counseling
- Preventative Care
- Primary Care
- Primary Care & Women's Health
- Rashes
- Rashes and other skin ailments
- Smoking Cessation
- Sprain / Strains
- Stress Management
- Weight Loss
- Weight Management
- Wellness
- Wellness Exams
- Women's Health
Commonly Prescribed Medications
- Caduet
- Terazosin Hydrochloride Anhydrous
- Metformin Hydrochloride
- Omeprazole
- Omeprazole
- Lisinopril
- Sertraline Hydrochloride Tablets
- PROAIR HFA
- Lorazepam
- Adderall
- Bupropion hydrochloride
- Adderall XR
- Omeprazole
- Macrobid
- FLOVENT HFA
- TRAZODONE
- Cyclobenzaprine Hydrochloride
- Escitalopram
- Bactrim
- Diflucan
- Lisinopril
- Doxycycline
- AMBIEN
- Montelukast Sodium
- Methylprednisolone
Billing Policies & Payment Options
Dr. Andrew Ellner, MD accepts the following payment methods:- Debit Cards
- Discover
- American Express
- Mastercard
- Visa
More info: The standard copays for your insurance company may apply, but there are no additional fees for becoming a Firefly patient member. For some insurance providers, your copays are even waived.
Offers Financing/Payment Plans?: Unknown
Bills on a Sliding Scale?: Unknown
Accepted Insurance
Accepted Insurance
We accept new members in Massachusetts and Maine with most plans from Aetna, Anthem, Blue Cross Blue Shield, Harvard Pilgrim Health Care, AllWays Health Partners, UniCare, and UnitedHealthcare.
We don’t accept MassHealth, Medicaid, or ConnectorCare at this time.

Comment - “ Excellent first visit. ”
Dr. Ellner made a great first impression. He was professional, compassionate, actively listened and provided a follow-up visit opportunity. I look forward to continuing my care with him and his team.