Internal Medicine · 1 Provider

Average Rating of all Office Providers


77 Miller Rd Ste 201
Castleton on Hudson, NY 12033
View All Locations(518) 477-2615

Office Providers

Office Provider Reviews


based on the average of 15 provider reviews for GREENBUSH INTERNAL MEDICINE

Review of Dr. Thomson

-Valatie NY |

Dr Thomson is retiring and I am faced with a huge task finding a new "GP." I cant say enough good about him. He has ALWAYS been there, always worked WITH me instead of preaching AT me, always offered carefully considered suggestions and recommendations. I have been seeing him for more than 20 years; we've been so happy that my mother and sister also started seeing him. I am really worried about finding a "replacement." He can't be "replaced" as far as being such a wonderful "health partner."
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Review of Dr. Thomson

-Latham, NY |

I was told to go to my primary care when I came back with thyroid antibodies from my endocrinologist. Thomson told me, antibodies don't mean anything. I just need exercise. I have since been diagnosed with Hashimoto's Thyroiditis. He wouldn't treat strep throat I had to go to urgent care for. My grandma was a prior patient and he had prescribed a new medicine which the pharmacy told her would have a terrible reaction with a medication he had prescribed earlier and wouldn't fill it. Cash only
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Review of Dr. Thomson

- in Castleton, NY |

Dr. Thomson has been our family physician for approximately 25 years. No matter what the health issue is, he finds the time to schedule an appointment on the same day or within the next day or two. Dr. Thomson has consistently been very thorough in accurate diagnosis and treatment of my family's ailments. He spends a lot of time with his patients, asks many questions, and always offers expert advice regarding the health issue. Dr. T. is outstanding and we are lucky to have him as our PCP!
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21 Procedures

  • Anemia And Iron Deficiency Screening
  • Cardiovascular Stress Test
  • Cholesterol Screening
  • Diabetes Counseling
  • Diabetes Screening
  • Electrocardiogram (Ekg)
  • Fecal Occult Blood Test For Colorectal Cancer
  • Hearing Screening
  • Hepatitis A Screening
  • Hepatitis B Virus Screening
  • Hepatitis C Virus Screening
  • Hepatitis Screening
  • Immunization
  • Liver Function Test
  • Osteoporosis Screening
  • Pap Smear
  • Prostate Cancer Screening
  • Pulmonary Function Test
  • Sexually Transmitted Infections Screening
  • Thyroid Screening
  • Wellness Examination


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GREENBUSH INTERNAL MEDICINE accepts 5 insurance carriers

  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Louisiana
  • Blue Cross Blue Shield of Massachusetts
  • Capital District Physician's Health Plan (CDPHP)
  • Empire Blue Cross Blue Shield
*Please verify this information when scheduling an appointment.