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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. Merrill Lewen:

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Patient Reviews

Patient comments (29)

The overall average patient rating of Dr. Merrill Lewen, Obstetrician & Gynecologist is Good. Dr. Lewen has been reviewed by 39 patients who have provided 29 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.2
Courteous Staff 4.4
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 3.7

Specialties & Research

Dr. Merrill Lewen, MD is board certified in Obstetrics & Gynecology.

  • She has special expertise in 1 area:
  • menopause

Education & Awards

Dr. Lewen graduated from Case Western Reserve University , Cleveland.


Dr. Lewen has 1 hospital affiliations:

  • Memorial Hermann Memorial City Hospital 

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Additional Information
Dr. Merrill Sue Lewen MD is a female Obstetrician & Gynecologist, has 19 years of experience and practices in Obstetrics & Gynecology and Gynecology.
Where does Dr. Merrill S. Lewen practice?
Dr. Merrill Lewen has 1 office location.
Dr. Merrill Lewen practices Obstetrics & Gynecology and Gynecology near Houston, TX.
See Houston Obstetricians & Gynecologists.