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JF

John Fagan, MD

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Conditions treated

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

Top 25%
1.2k doctors
Top 15%
1.2k doctors
Top 5%
606 doctors
Dr. Fagan saw more obesity patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
1.8k doctors
Top 15%
1.8k doctors
Top 5%
876 doctors
Dr. Fagan saw more cardiovascular disease (CVD) patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
2 doctors
Top 15%
2 doctors
Top 5%
1 doctor
Dr. Fagan 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 LA area. Learn more.
Top 25%
1.7k doctors
Top 15%
1.7k doctors
Top 5%
851 doctors
Dr. Fagan saw more vascular disease patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
1.9k doctors
Top 15%
1.9k doctors
Top 5%
947 doctors
Dr. Fagan saw more pain patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
306 doctors
Top 15%
306 doctors
Top 5%
153 doctors
Dr. Fagan saw more arteriosclerosis patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
1.1k doctors
Top 15%
1.1k doctors
Top 5%
569 doctors
Dr. Fagan saw more high cholesterol patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
194 doctors
Top 15%
194 doctors
Top 5%
96 doctors
Dr. Fagan saw more actinic keratosis patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
292 doctors
Top 15%
291 doctors
Top 5%
145 doctors
Dr. Fagan saw more moles patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
329 doctors
Top 15%
330 doctors
Top 5%
164 doctors
Dr. Fagan saw more degenerative disc disease (DDD) patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
187 doctors
Top 15%
186 doctors
Top 5%
93 doctors
Dr. Fagan saw more angina patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
128 doctors
Top 15%
128 doctors
Top 5%
64 doctors
Dr. Fagan saw seborrheic keratosis patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
340 doctors
Top 15%
340 doctors
Top 5%
169 doctors
Dr. Fagan saw more birthmark patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
36 doctors
Top 15%
36 doctors
Top 5%
17 doctors
Dr. Fagan saw Sjogren's syndrome patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.
Top 25%
729 doctors
Top 15%
730 doctors
Top 5%
364 doctors
Dr. Fagan saw more sinusitis patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
802 doctors
Top 15%
802 doctors
Top 5%
401 doctors
Dr. Fagan saw more sinus condition patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
1.6k doctors
Top 15%
1.6k doctors
Top 5%
825 doctors
Dr. Fagan saw more digestive tract conditions patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
341 doctors
Top 15%
341 doctors
Top 5%
170 doctors
Dr. Fagan saw more cataracts patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
1.1k doctors
Top 15%
1.1k doctors
Top 5%
569 doctors
Dr. Fagan saw more back problems patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
743 doctors
Top 15%
742 doctors
Top 5%
371 doctors
Dr. Fagan saw more osteoarthritis patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
842 doctors
Top 15%
843 doctors
Top 5%
421 doctors
Dr. Fagan saw more arthritis patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
892 doctors
Top 15%
892 doctors
Top 5%
446 doctors
Dr. Fagan saw more upper respiratory infection (URI) patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
957 doctors
Top 15%
958 doctors
Top 5%
478 doctors
Dr. Fagan saw more thyroid condition patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
219 doctors
Top 15%
219 doctors
Top 5%
109 doctors
Dr. Fagan saw more diverticulosis patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
1.1k doctors
Top 15%
1.1k doctors
Top 5%
542 doctors
Dr. Fagan saw more spine condition patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

Related services provided

Top 25%
417 doctors
Top 15%
418 doctors
Top 5%
208 doctors
Dr. Fagan saw more sleep disorders patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
191 doctors
Top 15%
191 doctors
Top 5%
95 doctors
Dr. Fagan saw colon polyps patients in 2014–2018, but we couldn’t determine whether he was a top doctor for the condition in the LA area. Learn more.

Related services provided

Top 25%
954 doctors
Top 15%
954 doctors
Top 5%
477 doctors
Dr. Fagan saw more ear condition patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
814 doctors
Top 15%
814 doctors
Top 5%
407 doctors
Dr. Fagan saw more hypothyroidism patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
1.5k doctors
Top 15%
1.5k doctors
Top 5%
737 doctors
Dr. Fagan saw more type 2 diabetes patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Locations

Dr. Fagan sees patients and can be reached at the following location.

Office
10787 Laurel St
Rancho Cucamonga, CA 91730
2,227 miles away

Reviews

Credentials
  • Loyola University Chicago Stritch School of Medicine
    MEDICAL EDUCATION, 1982
  • University of California, San Diego School of Medicine
    MEDICAL EDUCATION, 1986
  • Arrowhead Regional Medical Center Program
    RESIDENCY

Hospital affiliations

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

  • Pomona Valley Hospital Medical Center
    B
    Hospital safety grade (Fall 2018)
  • San Antonio Regional Hospital
    B
    Hospital safety grade (Fall 2018)
  • Casa Colina Surgery Center
    Hospital safety grade not available

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
  • Cross and Blue Shield of North Carolina
  • Health Net
  • HealthSmart
  • Highmark Blue Cross Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Independence Blue Cross AmeriHealth
  • Medica
  • Medicare
  • Meritain Health
  • MultiPlan
  • PacificSource
  • Premera Blue Cross
  • Regence Blue Cross Blue Shield
  • TRICARE
  • Tufts Health Plan
  • United Healthcare
  • Wellmark Blue Cross and Blue Shield