Summary

Dr. Roger Karlin specializes in internal medicine and allergy & immunology, bringing five decades of medical expertise to his practice. He earned his medical degree from the Icahn School of Medicine at Mount Sinai and completed his residency at the University of Connecticut Health Center. With 50 years of experience treating patients, Dr. Karlin has developed comprehensive knowledge in managing both adult internal medicine conditions and complex allergic disorders. He provides care in English to patients throughout the region.

Dr. Karlin maintains his primary affiliation with Danbury Hospital and sees patients at locations in Danbury and New Fairfield, Connecticut. His clinical focus includes treating high blood pressure and hypertensive emergencies, as well as pediatric hypertension cases. He performs specialized testing procedures such as bronchodilator reversibility testing and pulmonary function testing to evaluate respiratory conditions. Dr. Karlin also conducts asthma challenge tests to help diagnose and manage allergic asthma. Patients have given him an average rating of 4.4 out of 5 stars.
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Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 50 years of experience
  • speaks English
  • University Of Connecticut Health Center
  • 8 written reviews
  • 2 specialties
  • 13 areas of expertise
  • 1 hospital affiliation
  • 3 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Roger H Karlin has 3 locations

Ct Internal Medicine And Allergy

57 North St Ste 422Danbury, CT 06810
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

Ct Internal Medicine And Allergy

88 State Route 37New Fairfield, CT 06812
Mon8:30 am - 12:30 pm
Tue1:30 pm - 5:30 pm
Wed8:30 am - 11:30 am
Thu1:30 pm - 5:30 pm
Fri8:30 am - 1:00 pm
SatClosed
SunClosed

Danbury Hospital

24 Hospital AveDanbury, CT 06810

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Dr. Roger H Karlin, MD
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Dr. Roger H Karlin, MDDr. Robin Allen, MDDr. Steven H. Rocker, MDDr. Daniela K. Spitzer, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
3.8 
3.5 
50 Years of Experience 23 Years of Experience 52 Years of Experience 33 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English Speaks English, Hindi, Telugu
Danbury , CTNew Britain , CTCortlandt Manor , NYYorktown Heights , NY
Med School: Icahn School Of Medicine At Mount Sinai Med School: Baylor College of Medicine in Houston, Texas Med School: St. Louis University School of Medicine Med School: Medical University of Sofia Faculty of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Roger H Karlin

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Roger H Karlin has the following 2 specialties

Specialty Expertise

Dr. Roger H Karlin has the following 13 areas of expertise

  • Allergies
  • Allergy & Immunology
  • Asthma
  • Desensitization
  • Food Allergies
  • Hay Fever
  • Itching
  • Nasal Allergies
  • Rash
  • Sinusitis
  • Watery Eyes
  • Weight Loss
  • Weight Loss (non-surgical)

Certifications, License, & Education

50 Years Experience

Dr. Roger H Karlin holds an expired medical license in the state of Connecticut.

Medical License

Medical Doctor with an expired medical license in the state of Connecticut that expired in 2026.

Education & Training

Residency

Completed their residency at University Of Connecticut Health Center.

Medical School

Graduated from Icahn School Of Medicine At Mount Sinai in 1976.

NPI Number

Dr. Karlin's NPI number is 1700894177.

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Frequently Asked Questions

How can I make an appointment with Dr. Roger Karlin?
You can find contact information for Dr. Roger Karlin here on Vitals.
Where is Dr. Roger Karlin's office located?
Dr. Roger Karlin's office is located at 57 North St Ste 422, Danbury, CT, 06810.
Is Dr. Roger Karlin accepting new patients?
Dr. Roger Karlin is accepting new patients on Vitals. View Dr. Roger Karlin's profile on Vitals to make an appointment.
Does Dr. Roger Karlin accept my insurance?
You can see the insurance plans that Dr. Roger Karlin accepts on their Vitals profile.
Which hospitals is Dr. Roger Karlin affiliated with?
Dr. Roger Karlin is affiliated with Danbury Hospital.

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