Overview
William O'callahan is an Emergency Medicine provider practicing medicine in Holden, Massachusetts.
His clinical expertise encompasses Eyelid Bump, Scarlet Fever, Atrial Tachycardia, and Atrioventricular Nodal Reentrant Tachycardia (AVNRT).
Specialties
Licenses
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- INSURANCE PLAN
- MEDICARE PDP
- PPO
- HMO
- POS
- PPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- EPO
- HMO
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- PPO
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE ASSISTANCE PROGRAM
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- INSURANCE PLAN
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- OTHER COMMERCIAL
- PPO
- HMO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
5 Shrewsbury St Ste D, Holden, MA 01520
2040 Boston Rd Ste 5, Wilbraham, MA 01095
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Frequently Asked Questions about Dr. William O'callahan
How do I make an appointment with Dr. William O'callahan?
You can book an appointment with Dr. William O'callahan by calling their office at 508-829-3800. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. William O'callahan a top-rated expert for Eyelid Bump?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. William O'callahan is classified as an Experienced expert for Eyelid Bump, 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. William O'callahan specialize in?
While Dr. William O'callahan is a Emergency Medicine, they have specific expertise in Eyelid Bump, Scarlet Fever, and Atrial Tachycardia. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Emergency Medicine.
Does Dr. William O'callahan accept my insurance?
Dr. William O'callahan accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 508-829-3800 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
- Atrial TachycardiaDr. O'callahan isExperienced. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- Eyelid BumpDr. O'callahan isExperienced. Learn about Eyelid Bump.
- Paroxysmal Supraventricular Tachycardia (PSVT)Dr. O'callahan isExperienced. Learn about Paroxysmal Supraventricular Tachycardia (PSVT).
- Scarlet FeverDr. O'callahan isExperienced. Learn about Scarlet Fever.