Harvard Vanguard Medical Associates of Watertown

Pediatrics • Watertown, MA

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About

Harvard Vanguard Medical Associates of Watertown is a pediatrics clinic located at 485 Arsenal Street in Watertown, Massachusetts. The clinic offers general pediatrics services and is staffed by pediatricians including Daniel Slater, MD, Julie Stepanian, MD, and Lisa Thayer, MD.

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Clinic Type

Pediatrics

Address

Harvard Vanguard Medical Associates of Watertown, 485 Arsenal Street, Watertown, MA 02472

Phone

617-972-5570

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.childrenshospital.org/locations/harvard-vanguard-medical-associates-watertown

Emergency Care

If this is a medical emergency, please dial 9-1-1.

Services Offered

Pediatrics
General Pediatrics
Programs & Services

Team

Daniel Slater, MD — Pediatrician, Harvard Vanguard Medical Associates

Insurance & Payment

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Languages Spoken

English

Social Media

Twitter Facebook Instagram

Photos

What Patients Say

Overall sentiment across review platforms: mixed

unilocal.net: 4.3 out of 5 (12)
opengovca.com: 4.7 out of 5 (34)
Apple Maps: 3.8 out of 5

Patients praise

High quality of pediatric care
Comprehensive on-site services including labs, pharmacy, and radiology
Professional and caring medical staff, including nurse practitioners and doctors
Convenient appointment availability for many patients

Common complaints

Appointment cancellations on short notice
Difficulty scheduling or long wait times for appointments
Concerns regarding administrative follow-up and communication responsiveness
Reports of inaccurate information in patient charts

"Honestly, I’ve thought about leaving my own primary care doctor b/c the service at this Watertown Harvard Vanguard is far superior. It really exceeds your expectations."

— unilocal.net review

"If i can give less than 1 star I will. They don't have enough staff all the time. I had my annual appointment that took me 8 months to have and at the same day they called me at 9:am in the morning to cancel my appointment that i have at 1:00pm..."

— localitybiz.com review

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