of
PC

Patrick Callahan, MD

Dr. Callahan is a cardiologist in the Rockville area. He is affiliated with Inova Fairfax Hospital.
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Conditions treated

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

Top 25%
631 doctors
Top 15%
631 doctors
Top 5%
315 doctors
Dr. Callahan saw more cardiovascular disease (CVD) patients than 95% of similar doctors in the Washington area in 2014–2018. Learn more.

Related services provided

Top 25%
304 doctors
Top 15%
304 doctors
Top 5%
151 doctors
Dr. Callahan saw more birth defects patients than 95% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
8 doctors
Top 15%
8 doctors
Top 5%
4 doctors
Dr. Callahan saw more Down syndrome patients than 95% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
3 doctors
Top 15%
3 doctors
Top 5%
1 doctor
Dr. Callahan saw more Kawasaki disease patients than 95% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
16 doctors
Top 15%
16 doctors
Top 5%
7 doctors
Dr. Callahan saw more atrial septal defect (ASD) patients than 95% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
51 doctors
Top 15%
50 doctors
Top 5%
25 doctors
Dr. Callahan saw more congenital heart disease patients than 95% of similar doctors in the Washington area in 2014–2018. Learn more.

Related services provided

Top 25%
308 doctors
Top 15%
308 doctors
Top 5%
154 doctors
Dr. Callahan saw more congenital disorders patients than 95% of similar doctors in the Washington area in 2014–2018. Learn more.

Related services provided

Top 25%
2 doctors
Top 15%
2 doctors
Top 5%
Dr. Callahan saw Ehlers-Danlos syndrome (EDS) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
192 doctors
Top 15%
192 doctors
Top 5%
95 doctors
Dr. Callahan saw more heart valve condition patients than 85% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
380 doctors
Top 15%
381 doctors
Top 5%
190 doctors
Dr. Callahan saw more heart disease patients than 85% of similar doctors in the Washington area in 2014–2018. Learn more.

Related services provided

Top 25%
701 doctors
Top 15%
701 doctors
Top 5%
350 doctors
Dr. Callahan saw more pain patients than 75% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
135 doctors
Top 15%
134 doctors
Top 5%
67 doctors
Dr. Callahan saw more irregular heartbeat patients than 85% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
189 doctors
Top 15%
189 doctors
Top 5%
94 doctors
Dr. Callahan saw more fainting patients than 95% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
361 doctors
Top 15%
361 doctors
Top 5%
180 doctors
Dr. Callahan saw more anxiety patients than 85% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
234 doctors
Top 15%
234 doctors
Top 5%
116 doctors
Dr. Callahan saw more high blood pressure (hypertension) patients than 75% of similar doctors in the Washington area in 2014–2018. Learn more.

Related services provided

Top 25%
376 doctors
Top 15%
376 doctors
Top 5%
187 doctors
Dr. Callahan saw obesity patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
78 doctors
Top 15%
79 doctors
Top 5%
39 doctors
Dr. Callahan saw blood cancer patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
189 doctors
Top 15%
189 doctors
Top 5%
94 doctors
Dr. Callahan saw more shortness of breath patients than 75% of similar doctors in the Washington area in 2014–2018. Learn more.

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Top 25%
600 doctors
Top 15%
600 doctors
Top 5%
299 doctors
Dr. Callahan saw vascular disease patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
400 doctors
Top 15%
400 doctors
Top 5%
200 doctors
Dr. Callahan saw asthma patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
25 doctors
Top 15%
26 doctors
Top 5%
12 doctors
Dr. Callahan saw AV block patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
315 doctors
Top 15%
315 doctors
Top 5%
157 doctors
Dr. Callahan saw peripheral vascular disease (PVD) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
553 doctors
Top 15%
552 doctors
Top 5%
276 doctors
Dr. Callahan saw diabetes patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
43 doctors
Top 15%
42 doctors
Top 5%
21 doctors
Dr. Callahan saw heart block patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
386 doctors
Top 15%
386 doctors
Top 5%
192 doctors
Dr. Callahan saw chronic obstructive pulmonary disease (COPD) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
198 doctors
Top 15%
197 doctors
Top 5%
98 doctors
Dr. Callahan saw heart failure patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
185 doctors
Top 15%
184 doctors
Top 5%
92 doctors
Dr. Callahan saw congestive heart failure (CHF) patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
86 doctors
Top 15%
87 doctors
Top 5%
43 doctors
Dr. Callahan saw cardiomyopathy patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
388 doctors
Top 15%
388 doctors
Top 5%
194 doctors
Dr. Callahan saw high cholesterol patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Top 25%
487 doctors
Top 15%
486 doctors
Top 5%
243 doctors
Dr. Callahan saw lung condition patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the Washington area. Learn more.

Related services provided

Locations

Dr. Callahan sees patients and can be reached at the following locations.

Maryland Bariatrics PC
9707 Medical Center Dr
Rockville, MD 20850
20 miles away
  • Spanish
Fairfax Radiological Cons PC Yorktown Imaging Center
8316 Arlington Blvd
Fairfax, VA 22031
25 miles away
  • Spanish
Office
19500 Sandridge Way
Leesburg, VA 20176
2.9 miles away
Potomac Radiation Oncology Center
2296 Opitz Blvd
Woodbridge, VA 22191
36 miles away

Reviews

Credentials
  • State University of New York Upstate Medical University
    MEDICAL EDUCATION
  • State University of New York Upstate Medical University
    MEDICAL EDUCATION, 1990
  • Children's National Medical Center Program
    RESIDENCY

Hospital affiliations

Dr. Callahan is able to admit and treat patients at the following hospitals.

  • Inova Fairfax Hospital
    A
    Hospital safety grade (Spring 2019)

Insurance accepted

Always check coverage with your doctor’s office.

  • Aetna
  • Anthem
  • 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
  • EmblemHealth
  • Evergreen Health Cooperative
  • Group Health Cooperative
  • Group Health Cooperative of South Central Wisconsin
  • Harvard Pilgrim Health Care
  • Health Net
  • HealthNow New York
  • HealthPartners
  • HealthPlus
  • HealthSCOPE Benefits
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • MagnaCare
  • Mayo Clinic Health Solutions
  • Medical Mutual of Ohio
  • Medicare
  • Meritain Health
  • Optima Health
  • Pomco
  • Premera Blue Cross
  • Presbyterian Health Plan
  • Priority Health
  • Providence Health Plan
  • Regence Blue Cross Blue Shield
  • TRICARE
  • Tufts Health Plan
  • UPMC Health Plan
  • United Healthcare
  • ValueOptions
  • Wellmark Blue Cross and Blue Shield