Summary

Dr. Nellen graduated from the Sidney Kimmel Medical College At Thomas Jefferson University in 2019. He works in Greenbrae, CA and 1 other location and specializes in Anesthesiology. Dr. Nellen is affiliated with Marinhealth Medical Center, University Of Wisconsin Health University Hospital and University Of Wisconsin Health University Hospital.

Quick Facts

  • 7 years of experience
  • 21 insurance plans accepted
  • Sidney Kimmel Medical College At Thomas Jefferson University
  • 1 specialty
  • 3 hospital affiliations
  • 2 office locations
  • Male

Office Locations

Dr. James Rettke Nellen has 2 locations

Marinhealth Medical Center

599 Sir Francis Drake Boulevard Ste 206Greenbrae, CA 94904

University Of Wisconsin Health University Hospital

600 Highland AveMadison, WI 53792

Compare with Similar Doctors

Dr. James Rettke Nellen
Dr. Susan Anne Bevan-Thomas
Dr. Clare Marie Morkane
Dr. Jeffrey Richard White
Dr. James Rettke NellenDr. Susan Anne Bevan-ThomasDr. Clare Marie MorkaneDr. Jeffrey Richard White
AnesthesiologyAnesthesiologyAnesthesiologyAnesthesiology
Accepts New Patients
7 Years of Experience 33 Years of Experience 38 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Greenbrae , CASan Francisco , CASan Francisco , CASAN FRANCISCO , CA
Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: St Louis University School Of Medicine Med School: University Of Washington School Of Medicine
Current Profile
View Profile View Profile View Profile

Insurance Plans Accepted by Dr. James Rettke Nellen

  • Alignment Health Plan
  • Allegiance Life and Health
  • Anthem Blue Cross
  • Blue Cross Blue Shield of Oklahoma
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Dean Health Plan - Medicaid (Managed)
  • Health Net - HMO
  • Humana
  • Humana - HMO
  • Kaiser Permanente
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Molina Healthcare - Medicaid (Managed)
  • Partnership HealthPlan of California
  • PreferredOne
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • Western Health Advantage
  • Western Health Advantage - HMO

Medical Specialties

Dr. James Rettke Nellen has the following specialty

Certifications, License, & Education

7 Years Experience

Dr. James Rettke Nellen holds an expired medical license in the states of California and Wisconsin.

Medical License

Medical Doctor with an expired medical license in the state of California that expired in 2026 and an expired medical license in the state of Wisconsin that expired in 2025.

Education & Training

Medical School

Graduated from Sidney Kimmel Medical College At Thomas Jefferson University in 2019.

NPI Number

Dr. Nellen's NPI number is 1174086748.

Similar Doctors

Frequently Asked Questions

Where is Dr. James Rettke Nellen's office located?
Dr. James Rettke Nellen's office is located at 599 Sir Francis Drake Boulevard Ste 206, Greenbrae, CA, 94904.
Which hospitals is Dr. James Rettke Nellen affiliated with?
Dr. James Rettke Nellen is affiliated with Marinhealth Medical Center, University Of Wisconsin Health University Hospital, and University Of Wisconsin Health University Hospital.
How can I make an appointment with Dr. James Rettke Nellen?
You can find contact information for Dr. James Rettke Nellen here on Vitals.
Does Dr. James Rettke Nellen accept my insurance?
You can see the insurance plans that Dr. James Rettke Nellen accepts on their Vitals profile.
Does Dr. James Rettke Nellen accept virtual/telehealth appointments?
Dr. James Rettke Nellen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews

Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.

Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.

Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.