Expertise in
9
conditions

Dr. Petros Grivas

Oncology
Rachel Loschiavo PA-C
825 Eastlake Ave E, 
Seattle, WA 
Clinical Trials:Currently Recruiting for 1 Trial
Offers Telehealth
Expertise in
9
conditions
Rachel Loschiavo PA-C
825 Eastlake Ave E, 
Seattle, WA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Petros Grivas is an Oncologist in Seattle, Washington. Dr. Grivas is highly rated in 9 conditions, according to our data. His top areas of expertise are Urothelial Cancer, Bladder Cancer, Muscle Invasive Bladder Cancer, Nephrectomy, and Endoscopy.

His clinical research consists of co-authoring 322 peer reviewed articles and participating in 9 clinical trials. MediFind looks at clinical research from the past 15 years.

Specialties
Oncology
Licenses
Internal Medicine in WA
Hospital Affiliations
University Of Washington Medical Ctr
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
PacificSource
  • PPO
Premera
  • EPO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 4 Less Insurance Carriers -

Locations

Rachel Loschiavo Pa-C
825 Eastlake Ave E, Seattle, WA 98109
Other Locations
Gme Office University of Washington
1959 NE Pacific St, Seattle, WA 98195

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

9 Clinical Trials

A Phase II Open-Label Study of Sacituzumab Govitecan in Unresectable Locally Advanced/Metastatic Urothelial Cancer
A Phase II Open-Label Study of Sacituzumab Govitecan in Unresectable Locally Advanced/Metastatic Urothelial Cancer
Enrollment Status: Recruiting
Publish Date: April 15, 2025
Intervention Type: Drug
Study Drugs: Sacituzumab govitecan, Sacituzumab govitecan+Pembrolizumab, IMMU-132+Cisplatin, IMMU-132+Cisplatin+Avelumab
Study Phase: Phase 2
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Phase III Randomized Adjuvant Study of Pembrolizumab in muScle invaSive and locAlly aDvanced urOthelial caRcinoma (AMBASSADOR) Versus Observation
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Other, Biological, Procedure
Study Drug: Pembrolizumab
Study Phase: Phase 3
Molecular Analysis for Therapy Choice (MATCH)
Molecular Analysis for Therapy Choice (MATCH)
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Procedure, Drug, Other, Biological
Study Drugs: Adavosertib, Afatinib, Binimetinib, Capivasertib, Copanlisib, Crizotinib, Dabrafenib, Dasatinib, Defactinib, Erdafitinib, FGFR Inhibitor AZD4547, Ipatasertib, Larotrectinib, Nivolumab, Osimertinib, Palbociclib, Pertuzumab, PI3K-Beta Inhibitor GSK2636771, Sapanisertib, Sunitinib, Taselisib, Trametinib, Trastuzumab, Ulixertinib, Vismodegib
Study Phase: Phase 2
Phase III Randomized Trial of Concurrent Chemoradiotherapy With or Without Atezolizumab in Localized Muscle Invasive Bladder Cancer
Phase III Randomized Trial of Concurrent Chemoradiotherapy With or Without Atezolizumab in Localized Muscle Invasive Bladder Cancer
Enrollment Status: Active_not_recruiting
Publish Date: February 12, 2026
Intervention Type: Other, Procedure, Drug, Radiation
Study Drugs: Atezolizumab, Cisplatin, Fluorouracil, Gemcitabine, Mitomycin C
Study Phase: Phase 3
Pembrolizumab and aMVAC Chemotherapy as Neoadjuvant Therapy in Non-Urothelial Histology Muscle-Invasive Bladder Cancer: A Pilot Trial
Pembrolizumab and aMVAC Chemotherapy as Neoadjuvant Therapy in Non-Urothelial Histology Muscle-Invasive Bladder Cancer: A Pilot Trial
Enrollment Status: Completed
Publish Date: September 18, 2025
Intervention Type: Drug, Biological, Procedure
Study Drugs: Cisplatin, Doxorubicin, Methotrexate, Pegfilgrastim, Pembrolizumab, Vinblastine
Study Phase: Phase 2
A Phase 2, Randomized, Open-Label Study of Trilaciclib Administered With First-Line Platinum-Based Chemotherapy and Avelumab Maintenance Therapy in Patients With Untreated, Locally Advanced or Metastatic Urothelial Carcinoma (PRESERVE 3)
A Phase 2, Randomized, Open-Label Study of Trilaciclib Administered With First-Line Platinum-Based Chemotherapy and Avelumab Maintenance Therapy in Patients With Untreated, Locally Advanced or Metastatic Urothelial Carcinoma (PRESERVE 3)
Enrollment Status: Terminated
Publish Date: September 08, 2025
Intervention Type: Drug
Study Drugs: Trilaciclib, Gemcitabine, Cisplatin, Carboplatin, Avelumab
Study Phase: Phase 2
Phase Ib Feasibility Trial of Neoadjuvant Nivolumab/Lirilumab in Cisplatin-Ineligible Muscle-Invasive Bladder Cancer
Phase Ib Feasibility Trial of Neoadjuvant Nivolumab/Lirilumab in Cisplatin-Ineligible Muscle-Invasive Bladder Cancer
Enrollment Status: Completed
Publish Date: September 19, 2024
Intervention Type: Drug
Study Drugs: Nivolumab, Lirilumab
Study Phase: Phase 1
A Phase Ib Trial to Evaluate the Efficacy and Safety of Bintrafusp Alfa Monotherapy in Metastatic or Locally Advanced/Unresectable Urothelial Cancer With Disease Progression or Recurrence Following Treatment With a Platinum Agent
A Phase Ib Trial to Evaluate the Efficacy and Safety of Bintrafusp Alfa Monotherapy in Metastatic or Locally Advanced/Unresectable Urothelial Cancer With Disease Progression or Recurrence Following Treatment With a Platinum Agent
Enrollment Status: Terminated
Publish Date: April 18, 2024
Intervention Type: Drug
Study Phase: Phase 1
A Phase 2, Multicenter, Single-Arm Trial of CV301 in Combination With PD-1/L1 Blockade in Patients With Locally Advanced or Metastatic Urothelial Bladder Cancer
A Phase 2, Multicenter, Single-Arm Trial of CV301 in Combination With PD-1/L1 Blockade in Patients With Locally Advanced or Metastatic Urothelial Bladder Cancer
Enrollment Status: Completed
Publish Date: April 27, 2022
Intervention Type: Biological
Study Drugs: CV-301, Atezolizumab
Study Phase: Phase 2
View 8 Less Clinical Trials

322 Total Publications

Steroid-sparing strategies for managing immune-related adverse events.
Steroid-sparing strategies for managing immune-related adverse events.
Journal: Journal for immunotherapy of cancer
Published: December 31, 2025
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Seattle, WA 
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825 Eastlake Ave E, 
Seattle, WA 
 (0.1 miles away)
206-288-1000
Languages Spoken:
English, Castilian, Hindi, Korean, Punjabi, Spanish
See accepted insurances
Accepting New Patients
Offers Telehealth

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Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

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