Summary

Dr. Nienow graduated from the Yale University School of Medicine in 1988. He works in San Francisco, CA and 3 other locations and specializes in Infectious Disease and Internal Medicine.

Quick Facts

  • 3.9
  • 38 years of experience
  • 38 insurance plans accepted
  • Yale University School Of Medicine
  • 3 written reviews
  • 2 specialties
  • 9 areas of expertise
  • 2 board certifications
  • 4 office locations
  • Male

Office Locations

Dr. John Robert Nienow has 4 locations

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Dr. John Robert Nienow, MDDr. Gregory Warner, DODr. Maga Essie Jackson, MDDr. Natalya Nicoloff
Infectious DiseaseInfectious DiseasePsychiatryNurse Practitioner
Accepts New Patients Accepts New Patients
3.9 
3.4 
38 Years of Experience 21 Years of Experience 51 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks Tagalog, Spanish, English
San Francisco , CAVacaville , CASan Francisco , CAUnion City , CA
Med School: Yale University School Of Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific Med School: Univ Of Chicago Division Of Biological Sciences Pritzker School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Robert Nienow

  • AARP
  • Aetna
  • Aetna - HMO
  • Alameda Alliance for Health
  • Alignment Health Plan
  • Alignment Health Plan - HMO
  • AltaMed Senior BuenaCare (PACE)
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Oklahoma
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • BLUE CROSS of CALIFORNIA - PPO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Cigna
  • Commonwealth Care Alliance
  • Health Net
  • Health Net - HMO
  • HealthPartners
  • Humana
  • Integra
  • Magellan Health
  • Medical Mutual
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Mutual of Omaha
  • Partnership HealthPlan of California
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Sharp Health Plan
  • Sutter Health Plus
  • SutterSelect - PPO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare

Medical Specialties

Dr. John Robert Nienow has the following 2 specialties

Specialty Expertise

Dr. John Robert Nienow has the following 9 areas of expertise

  • AIDS/HIV (Acquired Immunodeficiency Syndrome)
  • Fever
  • Hepatitis C
  • HIV Infections
  • Human Immunodeficiency Virus (HIV/AIDS)
  • Immunization
  • Infection
  • Internal Medicine
  • Vaccination

Certifications, License, & Education

38 Years Experience

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Medical School

Yale University School Of MedicineGraduated in 1988

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Frequently Asked Questions

Does Dr. John Nienow accept my insurance?
You can see the insurance plans that Dr. John Nienow accepts on their Vitals profile.
Is Dr. John Nienow accepting new patients?
Dr. John Nienow has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. John Nienow accept virtual/telehealth appointments?
Dr. John Nienow has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. John Nienow?
You can find contact information for Dr. John Nienow here on Vitals.
Where is Dr. John Nienow's office located?
Dr. John Nienow's office is located at 3555 Cesar Chavez, San Francisco, CA, 94110.

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