Summary

Physician Assistant Ilaria Mastroserio specializes in hematology and oncology, focusing on the diagnosis and treatment of blood disorders and cancer. She holds a PAC degree and brings dedicated expertise to caring for patients facing complex hematologic and oncologic conditions.

Ilaria Mastroserio practices at John Muir Health with locations in Walnut Creek and Concord, California. She treats patients with breast cancer, including advanced cases that are metastatic or recurrent, as well as Paget disease of the breast. Her clinical services include infusion therapy for cancer treatment, complete blood count testing, and chemistry panels to monitor patient health throughout their care journey.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 30 insurance plans accepted
  • 2 specialties
  • 3 areas of expertise
  • 2 office locations
  • Female

Office Locations

Ilaria Mastroserio has 2 locations

John Muir Health

177 La Casa Via Ste 390Walnut Creek, CA 94598
Mon9:00 am - 5:00 pm
Tue9:00 am - 5:00 pm
Wed9:00 am - 5:00 pm
Thu9:00 am - 5:00 pm
Fri9:00 am - 5:00 pm
SatClosed
SunClosed

John Muir Health

2571 Park Ave Ste 304Concord, CA 94520

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Ilaria Mastroserio, PAC
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Ilaria Mastroserio, PACJessica Powers, MDBrian Vikstrom, MDJonathan Lopez, MD
HematologyHematologyHematologyHematology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.8 
23 Years of Experience 28 Years of Experience 28 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks English, Spanish Speaks English, Spanish
Walnut Creek , CAVacaville , CAVacaville , CAVacaville , CA
Med School: Virginia Commonwealth University School Of Medicine Med School: Columbia University College Of Physicians And Surgeons Med School: Uniformed Services Univ Of The Health Sciences F E Hebert Schl Of Medicine
Current Profile
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Insurance Plans Accepted by Ilaria Mastroserio

  • Accepts Medicare
  • AARP Medicare
  • Aetna
  • Alameda Alliance for Health
  • Amera-Net
  • Anthem Blue Cross
  • Beech Street (owned by MultiPlan)
  • Blue Shield
  • Canopy Care
  • Canopy Health
  • Canopy United Healthcare
  • ChoiceCare Network/Humana
  • Cigna
  • Community Care Network (CCN)
  • Contra Costa Health Plan
  • CorVel Corporation
  • Coventry Health Care National Network
  • First Health
  • Fortified Provider Network
  • Great-West Healthcare (Now CIGNA)
  • Health Management Network
  • Health Net
  • HealthSmart
  • Humana
  • Inc.
  • Integrated Health Plan
  • Medicare
  • Medicare Advantage Plans
  • Multiplan
  • Multiplan PPO (Kaiser PPO or POS - excluded)
  • United Health Care

Medical Specialties

Ilaria Mastroserio has the following 2 specialties

Specialty Expertise

Ilaria Mastroserio has the following 3 areas of expertise

  • Hematologist
  • Medical Oncology
  • Physician Assistant

Certifications, License, & Education

Ilaria Mastroserio holds an expired medical license in the state of California.

Medical License

Physician Assistant with an expired medical license in the state of California that expired in 2026.

NPI Number

Ilaria Mastroserio's NPI number is 1376197590.

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Frequently Asked Questions

Is Ilaria Mastroserio accepting new patients?
Ilaria Mastroserio is accepting new patients on Vitals. View Ilaria Mastroserio's profile on Vitals to make an appointment.
Does Ilaria Mastroserio accept my insurance?
You can see the insurance plans that Ilaria Mastroserio accepts on their Vitals profile.
How can I make an appointment with Ilaria Mastroserio?
You can find contact information for Ilaria Mastroserio here on Vitals.
Where is Ilaria Mastroserio's office located?
Ilaria Mastroserio's office is located at 177 La Casa Via Ste 390, Walnut Creek, CA, 94598.
Does Ilaria Mastroserio accept virtual/telehealth appointments?
Ilaria Mastroserio has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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