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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
James Rettke Nellen has 2 locationsMarinhealth Medical Center
599 Sir Francis Drake Boulevard Ste 206Greenbrae, CA 94904 Tel: (415) 925-7000
University Of Wisconsin Health University Hospital
600 Highland AveMadison, WI 53792 Tel: (608) 263-6400
Compare with Similar Doctors
 | |  | |
| James Rettke Nellen | Johnathan Viet Tran | So Young Kim | Ellen Marie Dejong |
| Anesthesiology | Anesthesiology | Anesthesiology | Pediatrics |
| Accepts New Patients | Accepts New Patients | ||
| 7 Years of Experience | 9 Years of Experience | 19 Years of Experience | 10 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Greenbrae , CA | Stanford , CA | Oakland , CA | Truckee , CA |
| Med School: Sidney Kimmel Medical College At Thomas Jefferson University | Med School: University Of California San Diego School Of Medicine | Med School: Columbia University College Of Physicians & Surgeons | Med School: Northwestern University Feinberg School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by James Rettke Nellen
Medical Specialties
James Rettke Nellen has the following specialty
Certifications, License, & Education
7 Years Experience
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
James Rettke Nellen's NPI number is 1174086748.
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Frequently Asked Questions
- Does James Nellen accept virtual/telehealth appointments?
- James Nellen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is James Nellen's office located?
- James Nellen's office is located at 599 Sir Francis Drake Boulevard Ste 206, Greenbrae, CA, 94904.
- Does James Nellen accept my insurance?
- You can see the insurance plans that James Nellen accepts on their Vitals profile.
- Is James Nellen accepting new patients?
- James Nellen has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Which hospitals is James Nellen affiliated with?
- James Nellen is affiliated with Marinhealth Medical Center, University Of Wisconsin Health University Hospital, and University Of Wisconsin Health University Hospital.
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