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License & Identifications

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).

Learn more about Dr. William Chollak:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. William Chollak is Good. Dr. Chollak has been reviewed by 7 patients who have provided 2 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.9
Promptness 2.7
Courteous Staff 3.4
Accurate Diagnosis 3.0
Bedside Manner 3.1
Spends Time with Me 2.6
Follows Up After Visit 4.0

Specialties & Research

Dr. William Chollak, DO, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 4 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Leg Fracture (Tibial Fractures)
  • Osteoarthritis (Hand and Wrist)

Education & Awards

Dr. Chollak graduated from Thomas Jefferson University, Philadelphia.


Dr. Chollak has 2 hospital affiliations:

  • Roxborough Memorial Hospital 
  • Chestnut Hill Hospital 

> > > > Dr. William Chollak, DO, MD

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Additional Information
Dr. William Lewis Chollak DO and MD is a male Orthopaedic Surgeon, has 41 years of experience and practices in Orthopaedic Surgery.
Where does Dr. William L. Chollak practice?
Dr. William Chollak has 1 office location.
Dr. William Chollak practices Orthopaedic Surgery near Flourtown, PA.
See Flourtown Orthopedic Surgeons.