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Sean O'brien, MD

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Conditions treated

Tap to see related services for each condition and more details about our calculations.

Top 25%
198 doctors
Top 15%
198 doctors
Top 5%
99 doctors
Dr. O'brien saw more allergies patients than 95% of similar doctors in the Baltimore area in 2014–2017. Learn more.

Related services provided

Top 25%
158 doctors
Top 15%
159 doctors
Top 5%
79 doctors
Dr. O'brien saw more hay fever (allergic rhinitis) patients than 95% of similar doctors in the Baltimore area in 2014–2017. Learn more.

Related services provided

Top 25%
317 doctors
Top 15%
316 doctors
Top 5%
158 doctors
Dr. O'brien saw more lung condition patients than 85% of similar doctors in the Baltimore area in 2014–2017. Learn more.

Related services provided

Top 25%
221 doctors
Top 15%
220 doctors
Top 5%
110 doctors
Dr. O'brien saw more asthma patients than 95% of similar doctors in the Baltimore area in 2014–2017. Learn more.

Related services provided

Top 25%
238 doctors
Top 15%
238 doctors
Top 5%
118 doctors
Dr. O'brien saw more chronic obstructive pulmonary disease (COPD) patients than 95% of similar doctors in the Baltimore area in 2014–2017. Learn more.

Related services provided

Top 25%
95 doctors
Top 15%
94 doctors
Top 5%
47 doctors
Dr. O'brien saw more conjunctivitis patients than 85% of similar doctors in the Baltimore area in 2014–2017. Learn more.

Related services provided

Top 25%
192 doctors
Top 15%
192 doctors
Top 5%
95 doctors
Dr. O'brien saw eye condition patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.
Top 25%
66 doctors
Top 15%
66 doctors
Top 5%
33 doctors
Dr. O'brien saw more hives (urticaria) patients than 85% of similar doctors in the Baltimore area in 2014–2017. Learn more.

Related services provided

Top 25%
146 doctors
Top 15%
146 doctors
Top 5%
73 doctors
Dr. O'brien saw contact dermatitis patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Top 25%
150 doctors
Top 15%
150 doctors
Top 5%
74 doctors
Dr. O'brien saw dermatitis patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Top 25%
127 doctors
Top 15%
126 doctors
Top 5%
63 doctors
Dr. O'brien saw eczema patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Top 25%
15 doctors
Top 15%
15 doctors
Top 5%
7 doctors
Dr. O'brien saw drug allergies patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Top 25%
119 doctors
Top 15%
118 doctors
Top 5%
59 doctors
Dr. O'brien saw allergic reaction patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Top 25%
173 doctors
Top 15%
173 doctors
Top 5%
86 doctors
Dr. O'brien saw sinusitis patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Top 25%
183 doctors
Top 15%
183 doctors
Top 5%
91 doctors
Dr. O'brien saw sinus condition patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Top 25%
190 doctors
Top 15%
189 doctors
Top 5%
94 doctors
Dr. O'brien saw upper respiratory infection (URI) patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Top 25%
8 doctors
Top 15%
9 doctors
Top 5%
4 doctors
Dr. O'brien saw food allergies patients in 2014–2017, but we couldn’t determine whether he was a top doctor for the condition in the Baltimore area. Learn more.

Related services provided

Locations

Dr. O'brien sees patients and can be reached at the following locations.

Office
2800 Quarry Lake Dr
Baltimore, MD 21209
52 miles away
Office
7501 Greenway Center Dr
Greenbelt, MD 20770
38 miles away
  • Spanish

Reviews

Credentials
  • Children's National Medical Center Program
    RESIDENCY
  • University of Chicago Division of the Biological Sciences The Pritzker School of Medicine
    MEDICAL EDUCATION, 1975

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Arkansas Blue Cross and Blue Shield
  • Assurant Health
  • Blue Cross Blue Shield of Arizona
  • Blue Cross Blue Shield of Massachusetts
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Alabama
  • Blue Cross and Blue Shield of Florida
  • Blue Cross and Blue Shield of Illinois
  • Blue Cross and Blue Shield of Kansas
  • Blue Cross and Blue Shield of Kansas City
  • Blue Cross and Blue Shield of Louisiana
  • Blue Cross and Blue Shield of Minnesota
  • Blue Cross and Blue Shield of Mississippi
  • Blue Cross and Blue Shield of Montana
  • Blue Cross and Blue Shield of Nebraska
  • Blue Cross and Blue Shield of New Mexico
  • Blue Cross and Blue Shield of North Dakota
  • Blue Cross and Blue Shield of Oklahoma
  • Blue Cross and Blue Shield of Rhode Island
  • Blue Cross and Blue Shield of Texas
  • Blue Cross and Blue Shield of Vermont
  • Blue Cross and Blue Shield of Wyoming
  • Blue Cross of Idaho
  • Blue Shield of California
  • BlueCross BlueShield of South Carolina
  • BlueCross BlueShield of Tennessee
  • CareFirst BlueCross BlueShield
  • Cigna
  • CoreSource
  • Coventry Health Care
  • Cross and Blue Shield of North Carolina
  • Evergreen Health Cooperative
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • MVP Health Care
  • Medica
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • Premera Blue Cross
  • Regence Blue Cross Blue Shield
  • TRICARE
  • United Healthcare
  • WPS Health Insurance
  • Wellmark Blue Cross and Blue Shield