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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%
589 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%
1.7k doctors
Top 15%
1.7k doctors
Top 5%
847 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%
1.6k doctors
Top 15%
1.6k doctors
Top 5%
824 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%
1.8k doctors
Top 15%
1.8k doctors
Top 5%
908 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%
299 doctors
Top 15%
299 doctors
Top 5%
149 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%
549 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%
190 doctors
Top 15%
190 doctors
Top 5%
95 doctors
Dr. Fagan saw more actinic keratosis patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
286 doctors
Top 15%
286 doctors
Top 5%
143 doctors
Dr. Fagan saw more moles patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
318 doctors
Top 15%
318 doctors
Top 5%
158 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%
182 doctors
Top 15%
182 doctors
Top 5%
91 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%
126 doctors
Top 15%
126 doctors
Top 5%
62 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%
35 doctors
Top 15%
35 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%
333 doctors
Top 15%
334 doctors
Top 5%
166 doctors
Dr. Fagan saw more birthmark patients than 85% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
703 doctors
Top 15%
704 doctors
Top 5%
351 doctors
Dr. Fagan saw more sinusitis patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
772 doctors
Top 15%
772 doctors
Top 5%
386 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%
796 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%
331 doctors
Top 15%
332 doctors
Top 5%
165 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%
545 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%
715 doctors
Top 15%
714 doctors
Top 5%
357 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%
811 doctors
Top 15%
810 doctors
Top 5%
405 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%
858 doctors
Top 15%
858 doctors
Top 5%
428 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%
930 doctors
Top 15%
930 doctors
Top 5%
464 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%
214 doctors
Top 15%
214 doctors
Top 5%
107 doctors
Dr. Fagan saw more diverticulosis patients than 75% of similar doctors in the LA area in 2014–2018. Learn more.
Top 25%
1.0k doctors
Top 15%
1.0k doctors
Top 5%
519 doctors
Dr. Fagan saw more spine condition patients than 95% of similar doctors in the LA area in 2014–2018. Learn more.

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Top 25%
409 doctors
Top 15%
408 doctors
Top 5%
204 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%
187 doctors
Top 15%
187 doctors
Top 5%
93 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%
915 doctors
Top 15%
914 doctors
Top 5%
457 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%
792 doctors
Top 15%
791 doctors
Top 5%
395 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%
1.4k doctors
Top 15%
1.4k doctors
Top 5%
711 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
1,907 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

Specializations

    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    3. Adolescent Medicine
    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    3. Geriatric Medicine
    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    3. Sports Medicine
    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    3. Sleep Medicine
    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    3. Addiction Medicine
    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    3. Bariatric Medicine
    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    3. Hospice And Palliative Medicine
    1. Allopathic & Osteopathic Physicians
    2. Family Medicine
    3. Adult Medicine

Hospital affiliations

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

  • Pomona Valley Hospital Medical Center
    B
    Hospital safety grade (Spring 2019)
  • San Antonio Regional Hospital
    C
    Hospital safety grade (Spring 2019)
  • Casa Colina Hospital
    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