Dr. Ray Herman Rivas, MD
Dr. Ray Herman Rivas, MD is a 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
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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
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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
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Nancy A. Pawlik, MD a Professional Corp
437 Marsh St, San Luis Obispo, CA 93401-3822 · (805) 783-7044