Expertise in
1
conditions

Dr. William Lester

Internal Medicine
Carlos Fernandez-Del Castillo MD
15 Parkman St, 
Boston, MA 
Offers Telehealth
Expertise in
1
conditions
Carlos Fernandez-Del Castillo MD
15 Parkman St, 
Boston, MA 

Overview

William Lester is a primary care provider, practicing in Internal Medicine in Boston, Massachusetts.

Dr. Lester is highly rated in 1 condition, according to our data. His clinical expertise encompasses Congenital Cataract, Primary Biliary Cholangitis, Reynolds Syndrome, and Eosinophilic Granulomatosis with Polyangiitis (EGPA, Churg-Strauss Syndrome).

He is actively involved in clinical research, co-authoring 15 peer reviewed articles.

Specialties

Internal Medicine

Licenses

Internal Medicine in MA

Hospital Affiliations

Newton-Wellesley Hospital
Massachusetts General Hospital
Massachusetts Eye And Ear Infirmary -
North Shore Medical Center -
Brigham And Women's Hospital

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
BMC HealthNet
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Change Healthcare
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
Cigna
  • EPO
  • HMO
  • PPO
Commonwealth Care Alliance
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Mass General Brigham Health Plan
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
MetLife
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
Tufts
  • HMO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 15 Less Insurance Carriers -

Locations

Carlos Fernandez-Del Castillo MD
15 Parkman St, Boston, MA 02114

Frequently Asked Questions about Dr. William Lester

How do I make an appointment with Dr. William Lester?

You can book an appointment with Dr. William Lester by calling their office at 617-726-2375. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. William Lester a top-rated expert for Congenital Cataract?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. William Lester is classified as an Advanced expert for Congenital Cataract, 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 Lester specialize in?

While Dr. William Lester is a Internal Medicine, they have specific expertise in Congenital Cataract, Primary Biliary Cholangitis, and Reynolds Syndrome. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.

Does Dr. William Lester accept my insurance?

Dr. William Lester accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 617-726-2375 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

Find Dr. Lester's expertise for a condition
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