Overview
Leigh Firn is a primary care provider, practicing in Internal Medicine in Cambridge, Massachusetts.
His clinical expertise encompasses Infectious Arthritis, Cerebellar Degeneration, Subacute Combined Degeneration, and Vitamin B12 Deficiency.
Specialties
Licenses
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- EPO
- HMO
- PPO
Locations
77 Massachusetts Ave, Cambridge, MA 02139
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Frequently Asked Questions about Dr. Leigh Firn
How do I make an appointment with Dr. Leigh Firn?
You can book an appointment with Dr. Leigh Firn by calling their office at 617-253-4909. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Leigh Firn a top-rated expert for Infectious Arthritis?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Leigh Firn is classified as an Experienced expert for Infectious Arthritis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Leigh Firn specialize in?
While Dr. Leigh Firn is a Internal Medicine, they have specific expertise in Infectious Arthritis, Cerebellar Degeneration, and Subacute Combined Degeneration. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.
Does Dr. Leigh Firn accept my insurance?
Dr. Leigh Firn accepts most major insurance plans, including BMC HealthNet and Cigna. We recommend calling the office directly at 617-253-4909 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Experienced
- Cerebellar DegenerationDr. Firn isExperienced. Learn about Cerebellar Degeneration.
- Infectious ArthritisDr. Firn isExperienced. Learn about Infectious Arthritis.
- Subacute Combined DegenerationDr. Firn isExperienced. Learn about Subacute Combined Degeneration.
- Vitamin B12 DeficiencyDr. Firn isExperienced. Learn about Vitamin B12 Deficiency.

