A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Our records indicate this doctor is retired.
Learn more about Dr. William Pachas:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. William Pachas is Excellent.
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Specialties & Research
Dr. William Pachas, MD is board certified in Internal Medicine.
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Education & Awards
Dr. Pachas graduated from Universidad Nacional Mayor De San Marcos, Lima.More Education & Awards
Dr. Pachas has 6 hospital affiliations:
- Massachusetts General Hospital
- Marlborough Hospital
Accepted Insurance Plans
Dr. Pachas accepts these health insurances in at least one office:
- United Healthcare - 3 plans
- Blue Cross Blue Shield of Massachusetts - 9 plans
- Cigna - 1 plan
- Fallon Community Health Plan (FCHP) - 5 plans
- Aetna - 3 plans
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