Expertise in
10
conditions

Dr. Petros Grivas

Hematology | Oncology
Rachel Loschiavo PA-C
825 Eastlake Ave E, 
Seattle, WA 
Accepting New Patients
Offers Telehealth
Expertise in
10
conditions
Rachel Loschiavo PA-C
825 Eastlake Ave E, 
Seattle, WA 

Overview

Petros Grivas is a Hematologist and an Oncologist practicing medicine in Seattle, Washington.

Dr. Grivas is highly rated in 10 conditions, according to our data. His clinical expertise encompasses Urothelial Cancer, Bladder Cancer, Muscle Invasive Bladder Cancer, Nephrectomy, and Endoscopy.

He is actively involved in clinical research, co-authoring 336 peer reviewed articles and participating in 9 clinical trials. Dr. Grivas is currently accepting new patients.

Specialties

Hematology
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
Uw Division Of Hematology And Oncology
825 Eastlake Ave E, Seattle, WA 98109

Additional Areas of Focus

Dr. Grivas has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Metastatic Uveal Melanoma

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: Active_not_recruiting
Publish Date: September 01, 2026
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: August 28, 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: August 28, 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: August 28, 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

336 Total Publications

Incidence of KRAS G12C mutations in genitourinary malignancies; emerging target in precision medicine.
Incidence of KRAS G12C mutations in genitourinary malignancies; emerging target in precision medicine.
Journal: Oncotarget
Published: August 19, 2026
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Seattle, WA 
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Frequently Asked Questions about Dr. Petros Grivas

How do I make an appointment with Dr. Petros Grivas?

You can book an appointment with Dr. Petros Grivas by calling their office at 206-520-5000. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Petros Grivas a top-rated expert for Urothelial Cancer?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Petros Grivas is classified as an Elite expert for Urothelial Cancer, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Petros Grivas specialize in?

While Dr. Petros Grivas is a Hematology, they have specific expertise in Urothelial Cancer, Bladder Cancer, and Muscle Invasive Bladder Cancer. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Hematology.

Does Dr. Petros Grivas participate in research or clinical trials?

Yes. Dr. Petros Grivas has published 336 articles and abstracts on conditions like Urothelial Cancer. You can view a list of Dr. Petros Grivas's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.

Does Dr. Petros Grivas accept my insurance?

Dr. Petros Grivas accepts most major insurance plans, including Aetna and Cambia Health Solutions. We recommend calling the office directly at 206-520-5000 to verify that your specific plan is currently accepted before your visit.

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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