0 reviews
Summary
Dr. Michael Greas is a hematology and pathology specialist who earned his medical degree from Fayoum University Faculty of Medicine in Egypt. With 16 years of experience in medicine, he brings extensive expertise in blood disorders and laboratory medicine to his practice. His dual specialty training allows him to provide comprehensive diagnostic services that combine clinical knowledge with advanced laboratory analysis.
Dr. Greas practices at multiple locations throughout Southern California, including Troesh Medical Center in Loma Linda, Riverside University Health System Medical Center in Moreno Valley, and Loma Linda University Medical Center Murrieta. He specializes in diagnosing skin cancers such as basal cell carcinoma and melanoma, as well as evaluating moles and other skin lesions. His expertise includes performing detailed pathology tests and surgical pathology examinations, along with specialized procedures like kidney transplant biopsies that help ensure successful organ …transplantation outcomes.
Read More Read less Dr. Greas practices at multiple locations throughout Southern California, including Troesh Medical Center in Loma Linda, Riverside University Health System Medical Center in Moreno Valley, and Loma Linda University Medical Center Murrieta. He specializes in diagnosing skin cancers such as basal cell carcinoma and melanoma, as well as evaluating moles and other skin lesions. His expertise includes performing detailed pathology tests and surgical pathology examinations, along with specialized procedures like kidney transplant biopsies that help ensure successful organ …transplantation outcomes.
Overview based on verified provider data
Quick Facts
- 16 years of experience
- Fayoum Univ Fac Of Med Egypt
- 2 specialties
- 4 areas of expertise
- 3 hospital affiliations
- 4 office locations
- Male
Office Locations
Dr. Michael Greas has 4 locationsRiverside University Health System Medical Center
26520 Cactus AveMoreno Valley, CA 92555 Tel: (951) 486-4000
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Michael Greas | Dr. Raghu Nandan, MD | Dr. Jennifer Ann Cotter, MD | Dr. Vivian Chan, DO |
| Hematology | Hematology | Neuropathology | Pathology |
| Accepts New Patients | Accepts New Patients | ||
| 16 Years of Experience | 42 Years of Experience | 15 Years of Experience | 25 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Tamil | |||
| Los Angeles , CA | Lakewood , CA | Los Angeles , CA | Roseville , CA |
| Med School: Fayoum Univ Fac Of Med Egypt | Med School: Madras Medical College | Med School: Keck School Of Medicine Of The University Of Southern California | Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Michael Greas
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Michael Greas has the following 2 specialties
Specialty Expertise
Dr. Michael Greas has the following 4 areas of expertise
Certifications, License, & Education
16 Years Experience
Dr. Michael Greas holds an active medical license in the state of California.
Medical License
Medical Doctor with an active medical license in the state of California that expires in 2026.
Education & Training
Medical School
Graduated from Fayoum Univ Fac Of Med Egypt in 2010.
NPI Number
Dr. Greas' NPI number is 1982059168.
Similar Doctors
Frequently Asked Questions
- Does Dr. Michael Greas accept virtual/telehealth appointments?
- Dr. Michael Greas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Michael Greas's office located?
- Dr. Michael Greas's office is located at 1100 N State St, Los Angeles, CA, 90033.
- Which hospitals is Dr. Michael Greas affiliated with?
- Dr. Michael Greas is affiliated with Troesh Medical Center, Riverside University Health System Medical Center, and Loma Linda University Medical Center Murrieta.
- Does Dr. Michael Greas accept my insurance?
- You can see the insurance plans that Dr. Michael Greas accepts on their Vitals profile.
- Is Dr. Michael Greas accepting new patients?
- Dr. Michael Greas has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.


