Dr. Alan J. Merin, MD

Nephrology, Internal Medicine

(1 review)
Call for new patient details 16 years of experience


Dr. Alan J. Merin, MD is an Internist (Nephrologist) in San Antonio, TX. He specializes in Nephrology and Internal Medicine, has 16 years of experience, and is board certified. He graduated from Southwestern and he is affiliated with Baptist Medical Center, Methodist Hospital, and Methodist Heart Hospital.

Dr. Merin works at Texas Renal Associates. He frequently treats conditions like Diabetes With Renal Manifestations, Hypertensive Chronic Kidney Disease along with other conditions...

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Diabetes With Renal Manifestations
Calcium Metabolism Disorders
Chronic Kidney Diseases
Diabetes With Renal Manifestations
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Treatment Frequency

Very High
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Calcium Metabolism Disorders
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Chronic Kidney Diseases
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Based on 1 review

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out of 5

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out of 5

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out of 5

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out of 5

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Patient Reviews

1 review

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1 star
Jun 16, 2020

Doctor Merin cuts straight to the chase and gets the job done. He does not have the best bedside manner and is very quick-witted, a very sharp individual who has been around the block. He understands the game with insurance and knows how to look...

Humpty Dumpty gets put back together

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About Dr. Alan J. Merin, MD


  • Nephrology
  • Internal Medicine

Years of Experience

16 years of experience

Languages Spoken

  • English
  • French
  • Spanish



NPI Number


Education & Certifications

Medical Education

  • Virginia Commonwealth University School Of Medicine


  • U Hosps-Case West Res U
  • University Hosps Case West Res University


  • Southwestern

Board Certifications

  • ABMS


Texas Renal Associates

8038 Wurzbach Rd Ste 430,

San Antonio, TX 78229


Admitting Hospitals

  • Baptist Medical Center
  • Methodist Heart Hospital
  • Methodist Hospital

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