ACVIM Board-Certified Internal Medicine Specialist on Staff

Caring for Arlington's Dogs and Cats Since 1949

A family-owned practice with an ACVIM board-certified internal medicine specialist. Relationship-based care for dogs and cats.

Call to Schedule: (703) 525-7115 New to Northside? Join our waitlist →

1949

Year Founded

Two generations of the McClure family caring for Arlington

DipACVIM

Board-Certified Specialist on Staff

Dr. Fiona McClure — Internal Medicine Diplomate

75+

Years Serving Arlington

Continuity of care across a neighborhood's generations

The Northside Team

Three Veterinarians. One Practice.

Dr. Adam McClure

DVM · Cornell University · Practice Owner

Second-generation owner, Cornell DVM — grew up at this clinic while his father ran it.

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Dr. Fiona McClure

BVSc, MVSc, MACVS, DipACVIM · ACVIM Diplomate, Small Animal Internal Medicine

DipACVIM board-certified internal medicine specialist — specialist expertise without a specialist referral.

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Dr. Mary Elizabeth Hahn, veterinarian at Northside Veterinary Clinic, Arlington VA

Dr. Mary Hahn

DVM · Virginia-Maryland Regional College of Veterinary Medicine · Northside since 1988

37 years at Northside and nowhere else — feline medicine is her particular strength.

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Veterinary Services

What We Offer

Preventative care, internal medicine specialist consultations, surgery, and dental care for dogs and cats — delivered by a team who knows your pet by name.

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Two Northside patient dogs outdoors among spring flowers

Preventative Care

Regular physical examinations, vaccination reviews, and parasite prevention — led by Dr. Adam McClure with a communication-first philosophy that takes time to answer every question.

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Diagnostic imaging and patient care at Northside Veterinary Clinic

Internal Medicine & Complex Cases

Dr. Fiona McClure, board-certified ACVIM Diplomate, provides specialist-level care for gastroenterology, Cushing's disease, and challenging feline cases — without a referral.

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A relaxed Northside patient cat resting comfortably at home

Surgical & Dental Care

General surgery, spay and neuter, growth removal, and professional dental care — with the same clear pre- and post-operative communication that guides all of our care.

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By the Numbers

A Practice Built on Continuity

Years Serving Arlington

In continuous operation since 1949, across two generations of the same family.

Veterinarians on Staff

Including an ACVIM board-certified internal medicine specialist.

Years — Dr. Hahn's Tenure at Northside

Dr. Mary Hahn joined the practice in 1988 and has never practiced anywhere else.

After-Hours Emergency Care

Northside Is Not an Emergency Facility

For after-hours emergencies, we maintain a list of trusted area emergency clinics with current phone numbers and hours. If your pet needs urgent care outside our office hours, this page will help you reach the right place quickly.

View Emergency Resources

New to Northside?

We Maintain a Limited Patient Roster

Every pet at Northside deserves a veterinarian who knows their name. We keep our roster deliberately small — and when we have an opening, we reach out to our waitlist first. Northside has been full, and worth the wait, for 75 years.

Join Our Waitlist