New Search Back to Search Results 9494 Share Profile Grace L. Imbastari, MD 4.9 out of 5 (71 Ratings) Specialty Internal Medicine (Board Certified) Additional Language Spoken English Phone (714) 538-6822 Address Astra Primary Care Medical Group 2617 East Chapman Avenue Suite 205 Orange, CA 92869 Get Directions Primary Office Address Astra Primary Care Medical Group 2617 East Chapman Avenue Suite 205 Orange, CA 92869 Get Directions Phone (714) 538-6822 Fax (714) 280-4510 Hours Mon - Fri: 9 a.m. - 5 p.m. More Information The patient rating score is based on responses and comments from Press Ganey. Responses are measured on a 10 point scale, with 10 being the best score. These scores are then translated to a 5 point scale in order to display results in a 5 Star rating. Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered libel, or may contain private health information, or is unrelated to the provider being reviewed. Learn more about Press Ganey star rating calculations Meet The Doctor Specialties & Education Primary Specialties Internal Medicine (Board Certified) Education & Training Medical School Buenos Aires University Internship LA County/USC Medical Center - 1989 Residency LA County/USC Medical Center - 1991 Areas of Interest Arthritis Women's Health Insurance Accepted Insurance Accepted Insurance ID Numbers Aetna: *66785 Blue Cross: *0WX099 Blue Shield: 00A465360 CIGNA: 498541 CIGNA Select: 3556903019 Health Net: 3204028401 Health Net Senior: 5148028401 SCAN: 864-18280 United Healthcare: *0183470057 *Provider ID is the same for both HMO and Medicare Advantage Plans Back to Search Results