Aug 24, 2026

Emergency Vets in Boston: 6 Hospitals That Publish 24/7 Hours

Six Boston-area hospitals whose own websites state 24-hour hours, mapped by neighbourhood, plus the lost-dog numbers and the seven-day claim window.

Luis ZamoraCo-founder of PetCompass; Dog Dad to Banzo and Tuck

Boston, Massachusetts10 min readPet Care & Services

If your dog needs a vet at 3 a.m. in Boston, ring before you drive. That is the whole guide in one sentence, and everything below is the list you ring from.

Boston is unusually well served for after-hours veterinary care, partly because it has a nineteenth-century animal hospital that never stopped and partly because a national emergency chain has put five hospitals inside the metro area.

The list, and the numbers to call

Hospital	Address	Phone
Angell Animal Medical Center	350 South Huntington Ave, Boston, MA 02130	617-522-7282
VEG Boston	312 Stuart Street, Boston, MA 02116	(617) 762-0001
VEG Cambridge	357-359 Fresh Pond Pkwy, Cambridge, MA 02138	(617) 804-0103
VEG Newton	165 Needham Street, Newton Highlands, MA 02464	(617) 729-4446
VEG Peabody	1 Sylvan Street, Peabody, MA 01960	(978) 248-8186
VEG Shrewsbury	196 Boston Turnpike, Shrewsbury, MA 01545	(508) 653-4700

Poison control, a separate number: 888-426-4435. Angell publishes this on its own home page alongside its emergency line, and it is the one to use when the problem is something the dog ate rather than something that happened to it. A poison line and an emergency hospital are two different calls doing two different jobs, and on a bad night you may want both.

Angell, the one to know about

Angell Animal Medical Center sits at 350 South Huntington Ave in Boston, on the Jamaica Plain side, and its emergency line is 617-522-7282.

Its own hospital page describes it as "a full-service, nonprofit hospital with over a century of experience", with in-house specialists across radiology, anaesthesia, pathology, surgery and critical care. Its service list names "24/7 Emergency & Critical Care" as a distinct department, with its own address at [email protected].

Why that matters at 3 a.m.: a hospital with in-house specialists overnight is a different proposition from an emergency room that stabilises and refers. If your dog needs a neurologist, a surgeon or diagnostic imaging in the same building, that is what a teaching-scale hospital gives you.

Angell also runs a second site, MSPCA-Angell West at 293 Second Avenue, Waltham, MA 02451, reachable on the same 617-522-7282 number.

VEG, the five-site network

VEG ER for Pets labels all five of its Massachusetts hospitals "OPEN 24/7" on its Massachusetts locations page, and its own description is that it is "open 24-hours every day".

The geography is the useful part. VEG Boston is at 312 Stuart Street, which is Back Bay and about as central as an emergency hospital gets. Cambridge, Newton, Peabody and Shrewsbury spread the coverage north, west and out along the turnpike.

If you are in	Nearest on this list
Back Bay, Beacon Hill, downtown	VEG Boston, Stuart Street
Jamaica Plain, Roxbury, Longwood	Angell, South Huntington Ave
Cambridge, Somerville	VEG Cambridge, Fresh Pond Pkwy
Newton, Brookline, Brighton	VEG Newton, Needham Street
North Shore, Salem, Danvers	VEG Peabody, Sylvan Street
Worcester side, MetroWest	VEG Shrewsbury, Boston Turnpike

Why the list is six rather than a round ten

A word on method, because it changes how you should use this page.

We list a hospital when its own website states its hours. That is a narrow rule, and it means our table is shorter than a search results page.

The alternative is worse. Aggregator listings go stale. Hospitals close overnight services without updating third-party directories. A practice that dropped its 24-hour cover two years ago can still look open in a listing site, and in an emergency a confident wrong answer costs you the twenty minutes you did not have.

So six is six we could read. If a local vet you trust runs overnight cover, use them. The rule that actually protects you is the one at the top: ring first, and ask whether they can see your dog now.

That second half matters more than people expect. A 24-hour hospital that is open is not the same as a 24-hour hospital that has capacity. Triage is real, and a phone call gets you either a bed or a redirection before you have driven across town.

Before the emergency: three things to do this week

Write the numbers down somewhere that is not your phone. A phone with a flat battery is a very common feature of a bad night. Our emergency pet info card template is a single page for exactly this, and it has room for your regular vet, the emergency hospital and the poison line.

Know your route to one of them, not all six. Pick the one nearest where you sleep and know how you would get there at midnight. In Boston that is a real question, because the MBTA does not run all night and a taxi with a distressed large dog is not guaranteed.

Read the basics once, in daylight. Our pet first aid basics guide and the emergency vet, what to know explainer both take ten minutes and are the wrong things to be reading for the first time while a dog is in trouble.

Getting there, in a city with no all-night transit

This is a genuinely Boston-specific problem and it deserves its own section.

The MBTA does not operate through the night, and even during service hours its rules constrain you. The transit authority states that "Larger pet dogs that don't fit in a carrier are not allowed on the T during peak hours (weekdays 7 to 9 AM and 4 to 7 PM)", and that larger dogs are allowed off-peak on a leash. It also reserves discretion: "MBTA personnel have the right to restrict pet access to T vehicles and stations within their own judgment due to conditions such as crowds or the animal's behavior."

We wrote the peak hours with the word "to" rather than the dash the MBTA prints, but the hours are unchanged.

What that adds up to is: for a genuine emergency, plan on a car. Either your own, a ride-hailing service that accepts pets, or a neighbour. Working out which of those you would actually use is a five-minute job on a quiet evening and an impossible one at 2 a.m.

Lost dog rather than sick dog

Different emergency, different numbers, and Boston publishes these clearly.

Situation	Call
Your dog is missing	Boston Animal Shelter, 617-635-1913 or 617-635-1800
Also try	Animal Rescue League, 617-426-9170
And	MSPCA shelter, 617-522-5055
You found a dog	617-635-1913 or 617-635-1800, and it is a legal duty
General animal concerns	Animal Care and Control, 617-635-5348

The claim window is fixed, and the city states it plainly:

"If you find a lost dog, by law you must let us know. Call us at 617-635-1913 or 617-635-1800. We can pick up the dog and bring it to our kennel facility. We'll give the owner seven days to claim their dog."

Seven days, and the thing that turns a seven-day search into a same-day phone call is a licence tag and a microchip. Boston's own position on the second one is that a microchip "stays in place for life" and is what a shelter scans for.

The city's shelter is at 26 Mahler Road, Roslindale, MA 02131, on 617-635-1800, open Monday to Friday 9 a.m. to 4 p.m. and Saturdays 9 a.m. to 12 p.m. and 1 to 3 p.m. By train it is the Orange Line to Forest Hills, then about half a mile down Washington Street and the third right onto Mahler Road.

Note that the shelter's public areas were under renovation into early 2026 with limited appointment-only service. Ring ahead.

The seasonal problems that fill Boston emergency rooms

We are not going to invent statistics, so this is framed as what the city itself warns about rather than what we counted.

Cold. Boston Animal Care and Control puts it in one line: "Our department discourages keeping pets outdoors. If it's too cold outside for you, it's probably too cold for your pet!" The department also notes that if you do keep a dog outside, by law you must provide shelter.

Holiday plants and food. The city names poinsettias and holly, ivy and mistletoe, pine and balsam, juniper and cedar, and hibiscus as toxic, along with chocolate, and warns specifically against tinsel, ribbons and ornaments within reach. Our toxic foods and plants reference covers the wider list.

Ticks. The Arnold Arboretum, which is one of the best dog walks in the city, warns visitors directly: "When you get home, conduct a full-body tick check on yourself, children, and pets." That is a spring and summer habit worth building, and it is a lot cheaper than treating what a missed tick causes.

Heat. Boston summers are humid and its sidewalks are dark. Our summer heat safety notes cover the pavement test.

What to say when you ring

A short script helps, because the useful information is not obvious under pressure and the person answering is triaging.

Lead with the symptom and the timing. What is happening, and when it started. Not the dog's history.

Then the dog. Breed or approximate size, age, weight if you know it. Size and weight decide drug doses and whether they need a particular table.

Then anything ingested. If the dog ate something, say what and roughly how much and how long ago. This is the single most useful sentence in a poisoning call, and it is the one people leave out.

Then ask the two questions. Can you see him now, and should I come to you or somewhere else. That second question is what turns a wasted drive into a short one.

And say if you are on foot. A hospital that knows you are twenty minutes away by taxi rather than five by car will sometimes give you interim instructions for the journey.

If you keep a written record of vaccinations, medications and your regular vet's number, the whole call gets shorter. Our pet emergency preparedness checklist covers assembling it once so you are not assembling it at midnight.

If you are visiting rather than local

Do the same preparation, compressed.

On arrival, save one number. VEG Boston at 312 Stuart Street if you are staying central, Angell if you are out towards Longwood or Jamaica Plain.

Ask the hotel desk what they would do. Not because they will know the answer, but because the ones that do know are the ones worth staying at again. Our questions to ask before booking list has this on it.

Carry the vaccination record. An unfamiliar hospital treating an unfamiliar dog moves faster with a rabies certificate in front of it.

Hotel options are in our Boston hotel directory and the pet-friendly hotels in Boston roundup.

Frequently asked questions

Is there a 24-hour emergency vet in Boston?

Yes. Angell Animal Medical Center at 350 South Huntington Ave lists 24/7 emergency and critical care on 617-522-7282, and VEG Boston at 312 Stuart Street is labelled open 24/7 on (617) 762-0001.

What is the Boston emergency vet number?

Angell's emergency line is 617-522-7282. VEG Boston is (617) 762-0001. Ring before you drive and ask whether they can see your dog now.

Is there a pet poison control number for Boston?

Angell publishes a poison control number, 888-426-4435, alongside its own emergency line. Use the figure shown on Angell's site if in doubt.

Where is the nearest emergency vet to Cambridge?

VEG Cambridge, 357-359 Fresh Pond Pkwy, Cambridge, MA 02138, on (617) 804-0103, which its own site labels open 24/7.

Should I call ahead or just drive to the emergency vet?

Call first. A hospital that is open is not necessarily a hospital with capacity, and a phone call gets you either a bed or a redirection before you have crossed the city.

Who do I call if I lose my dog in Boston?

The Boston Animal Shelter on 617-635-1913 or 617-635-1800. Also try the Animal Rescue League on 617-426-9170 and the MSPCA shelter on 617-522-5055.

Sources

Hours and numbers change. Ring the hospital before you drive.