Summary

Dr. Anna Fretz is a pulmonologist who earned their medical degree from the Geisel School of Medicine at Dartmouth. They completed their internal medicine residency at the University of California San Francisco in 2023 and are currently pursuing a fellowship in Pulmonary and Critical Care Medicine at the David Geffen School of Medicine at UCLA, which they will complete in 2026. With 7 years of experience in medicine, Dr. Fretz brings specialized knowledge in respiratory and lung care to their practice.

Dr. Fretz is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights and practices in Valencia and Los Angeles, California. They focus on treating patients with chronic lung disease, long-term bronchitis, and COPD. Their expertise includes performing pulmonary function testing to assess how well patients' lungs are working. Dr. Fretz also conducts asthma challenge tests and bronchodilator reversibility testing to help diagnose breathing conditions and determine the most effective treatments for their patients.
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Overview based on verified provider data

Quick Facts

  • 7 years of experience
  • 29 insurance plans accepted
  • Pulmonary and Critical Care Medicine David Geffen School of Medicine at UCLA
  • 2 specialties
  • 4 areas of expertise
  • 1 hospital affiliation
  • 2 office locations

Office Locations

Anna Elizabeth Fretz has 2 locations

Santa Clarita Primary & Specialty Care

25775 McBean Pkwy Ste 115AValencia, CA 91355

Pulmonology

200 Medical Plz Ste 365Los Angeles, CA 90024

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Anna Elizabeth Fretz, MDDr. Harvey Victor Brown, MDDr. Ashim Arora, MDDr. Ronald A Popper, MD
PulmonologyInternal MedicinePulmonologySleep Medicine
Accepts New Patients
2.8 
4.3 
7 Years of Experience 56 Years of Experience 40 Years of Experience 47 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English, Spanish Speaks English
Valencia , CALos Angeles , CASimi Valley , CAThousand Oaks , CA
Med School: MD Geisel School of Medicine at Dartmouth Med School: Suny Downstate Medical Center College Of Medicine Med School: Government Medical College Patiala Med School: Michigan State University College Of Human Medicine
Current Profile
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Insurance Plans Accepted by Anna Elizabeth Fretz

  • Accepts Medicare
  • Aetna
  • Aetna - Institute of Excellence
  • Anthem Blue Cross
  • Anthem Blue Cross - Centers of Medical Excellence
  • Anthem Medicare Advantage PPO*
  • Blue Shield 65 Plus
  • Blue Shield Exclusive PPO Network
  • Blue Shield of California
  • Blue Shield of California\xa0*
  • Cigna
  • Cigna LifeSource
  • First Health
  • Health Net of California
  • Inc. dba California Foundation Medical Care (CFMC)
  • Interlink
  • Interplan (a HealthSmart product)
  • LifeTrac
  • MultiPlan
  • OptumHealth Transplant Centers of Excellence (formerly United Resource Network)
  • Oscar EPO - Circle Network
  • Prime Health Services
  • Private Healthcare Systems (PHCS)
  • SCAN Health Plan - SCAN Classic II
  • Tricare
  • UFCM Health System
  • UnitedHealthcare
  • UnitedHealthcare Group Medicare Advantage\xa0*
  • UnitedHealthcare West
  • Vivity (offered by Anthem Blue Cross)

Medical Specialties

Anna Elizabeth Fretz has the following 2 specialties

Specialty Expertise

Anna Elizabeth Fretz has the following 4 areas of expertise

  • Hospitalist
  • Internal Medicine
  • Pulmonary Critical Care Medicine
  • Pulmonologist

Certifications, License, & Education

7 Years Experience

Anna Elizabeth Fretz holds an expired medical license in the state of California.

Medical License

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

Education & Training

Fellowship

Completed their fellowship at Pulmonary and Critical Care Medicine David Geffen School of Medicine at UCLA in 2026.

Residency

Completed their residency at Internal Medicine University of California San Francisco in 2023.

Medical School

Graduated from MD Geisel School of Medicine at Dartmouth in 2019.

NPI Number

Anna Elizabeth Fretz's NPI number is 1740742394.

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Frequently Asked Questions

Which hospitals is Anna Fretz affiliated with?
Anna Fretz is affiliated with Ucsf Helen Diller Medical Center At Parnassus Heights.
Does Anna Fretz accept my insurance?
You can see the insurance plans that Anna Fretz accepts on their Vitals profile.
Does Anna Fretz accept virtual/telehealth appointments?
Anna Fretz has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Anna Fretz accepting new patients?
Anna Fretz has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Where is Anna Fretz's office located?
Anna Fretz's office is located at 25775 McBean Pkwy Ste 115A, Valencia, CA, 91355.

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