Dr. Ray Herman Rivas, MD
Dr. Ray Herman Rivas, MD practises General Surgery in San Luis Obispo, California. Graduated from University of North Dakota School of Medicine in 2012, 14 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in California.
- Years since qualifying
- 14
- Trained at
- University of North Dakota School of Medicine
- Licensed in
- CA
- In the registry since
- 2012
- Specialties on file
- 2
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
100 Casa St Ste D3San Luis Obispo, CA 93405-5827
Phone: (805) 321-8471
Fax: (805) 567-6604
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Psychiatry Physician (primary) | Taxonomy 2084P0800X · Licence A164066 (CA) |
|---|---|
| Surgery Physician | Taxonomy 208600000X · Licence A164066 (CA) |
Record details
| NPI number | 1003173816 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | Yes |
| NPI enumerated | April 18, 2012 |
| Last updated in NPPES | February 3, 2026 |
| Certification date | February 3, 2026 |
Medicare enrollment
| Medicare specialty | GENERAL SURGERY |
|---|---|
| Medical school | UNIVERSITY OF NORTH DAKOTA SCHOOL OF MEDICINE |
| Graduated | 2012 (14 years in practice) |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
Other providers in San Luis Obispo
-
Associated Surgeons of San Luis Obispo
77 Casa St Ste 103, San Luis Obispo, CA 93405-5803 · (805) 489-8287
-
Dr. David Carlton Bonnheim, MD
862 Meinecke Ave Ste 202, San Luis Obispo, CA 93405-1721 · (805) 544-1811
-
Nancyann Pawlik Guthrie, MD
437 Marsh St, San Luis Obispo, CA 93401-3822 · (805) 783-7044
-
Nancy A. Pawlik, MD a Professional Corp
437 Marsh St, San Luis Obispo, CA 93401-3822 · (805) 783-7044