Summary

Dr. Roger Karlin specializes in internal medicine with additional expertise in allergy and immunology. 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 five decades of medical practice, Dr. Karlin brings extensive experience to patient care. He provides medical services in English.

Dr. Karlin is affiliated with Danbury Hospital and practices in Danbury and New Fairfield, Connecticut. He treats patients with high blood pressure conditions, including hypertensive emergencies and pediatric hypertension cases. His practice offers specialized breathing tests such as bronchodilator reversibility testing and pulmonary function testing to evaluate lung health. Dr. Karlin also performs asthma challenge tests to help diagnose breathing difficulties. Patients have given him an average rating of 4.4 out of 5 stars.

AI-generated from data on this provider profile.

Quick Facts

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

Awards

  • Vitals Preferred Provider

    • Vitals Preferred Provider Award
      • Preferred Provider badge recognizes providers that are committed to transparency, responsiveness and great service to patients, and have earned a high patient satisfaction rating.

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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 - 1:30 pm
Tue2:00 pm - 6:00 pm
Wed8:30 am - 12:00 pm
Thu2:00 pm - 6:00 pm
Fri8:30 am - 1:30 pm
SatClosed
SunClosed

Danbury Hospital

24 Hospital AveDanbury, CT 06810

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Dr. Roger H Karlin, MD
Dr. Robin Allen, MD
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Dr. Roger H Karlin, MDDr. Robin Allen, MDDr. Daniela K. Spitzer, MDDr. Steven H. Rocker, MD
Internal MedicineInternal MedicineInternal MedicineInternal Medicine
Accepts New Patients Accepts New Patients Accepts New Patients
4.4 
3.5 
3.8 
50 Years of Experience 23 Years of Experience 33 Years of Experience 52 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, Hindi, Telugu Speaks English
Danbury , CTNew Britain , CTYorktown Heights , NYCortlandt Manor , NY
Med School: Icahn School Of Medicine At Mount Sinai Med School: Baylor College of Medicine in Houston, Texas Med School: Medical University of Sofia Faculty of Medicine Med School: St. Louis University School of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Roger H Karlin

  • Accepts Medicare
  • Accepts Medicaid
  • 1199SEIU
  • AARP
  • Aetna
  • Aetna - HMO
  • Aetna - Medicare
  • Anthem Blue Cross
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Centivo
  • Cigna
  • Cigna - HMO
  • Cigna-HealthSpring
  • ConnectiCare
  • ConnectiCare - Medicare
  • EmblemHealth
  • GEHA
  • Geisinger Health Plan
  • Harvard Pilgrim Health Care
  • MagnaCare
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • MVP Health Care
  • Oscar Health Insurance
  • Piedmont Community Health Plan
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare Oxford
  • Wellcare

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

MEDICAL LICENSE

Medical Doctor, Connecticut, 2026, Active

EDUCATION & TRAINING

Residency

University Of Connecticut Health Center

Medical School

Icahn School Of Medicine At Mount SinaiGraduated in 1976

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Frequently Asked Questions

Which hospitals is Dr. Roger Karlin affiliated with?
Dr. Roger Karlin is affiliated with Danbury Hospital.
Where is Dr. Roger Karlin's office located?
Dr. Roger Karlin's office is located at 57 North St Ste 422, Danbury, CT, 06810.
Does Dr. Roger Karlin accept my insurance?
You can see the insurance plans that Dr. Roger Karlin accepts on their Vitals profile.
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 virtual/telehealth appointments?
Dr. Roger Karlin has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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