Eileen Katherine Nenninger, MD

Infectious Disease Internal Medicine

Internal Medicine

(925) 463-1318San Leandro, CA
Telehealth Available
NPI Active per CMS — Q2 2026

Eileen Nenninger, MD has been part of the San Leandro medical community since 2016 in group practice. She graduated from University of Virginia School of Medicine in 2016 and has 10+ years of clinical experience. Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, and more.

1 of 267 Internal Medicine providers in CASee all Internal Medicine in San Leandro10+ years experienceNPI since 2016

Data updated 2023-08-08 on CMS NPPES

Contact & Location

Practice Location

13851 E 14th St Ste 308, San Leandro, CA 94578-2630

Patient Reviews

No patient reviews yet. If you've seen Eileen Nenninger, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal MedicineInfectious Disease in San LeandroAllopathic & Osteopathic Physicians

Infectious disease specialists diagnose and treat complex infections including HIV/AIDS, hepatitis, tuberculosis, antibiotic-resistant infections (MRSA), post-surgical infections, and travel-related illnesses. They also provide pre-travel vaccination counseling and manage infections in immunocompromised patients.

Taxonomy: 207RI0200X

Education & Training

University of Virginia School of Medicine (Class of 2016)

Virtual Infectious Disease Care With Eileen Nenninger

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Eileen Nenninger for follow-ups, medication reviews, and ongoing care — no travel to San Leandro required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Eileen Nenninger

NPI records show Dr. Nenninger as active with telehealth listed in San Leandro, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (925) 463-1318.

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

Related Providers

Infectious Disease Internal Medicine in CA

See all