Internal Medicine in San Luis Obispo, California
Data updated monthly · Last refresh September 2026
39 Internal Medicine providers practice in San Luis Obispo, and 28% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in San Luis Obispo
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Anjeet Saini, M.D.San Luis Obispo, CA · $296 in drug and device payments (2025) ·
(805) 543-4043 Dr. Ardeshir Talieh, MDSan Luis Obispo, CA · $2,239 in drug and device payments (2025) ·
(805) 540-5035 Dr. Armando Siqueiros, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 549-5277 Dr. Barbara Bailey, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 801-8830 Dr. Bruce Faecher, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 547-7900 Dr. Camilo Guiang, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 544-1885 Dr. David Javitz, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 543-4043 Dr. David Ralston, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 756-1211 Dr. Deborah Cherry, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 439-1381 Dr. Divya ManoharaSan Luis Obispo, CA · $1,128 in drug and device payments (2025) ·
(805) 369-8860 Dr. Elliot Klaw, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 541-1177 Dr. Frank Collie, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 543-8310 Dr. Gayle Cekada, M.DSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 903-1391 Dr. Grace Crittenden, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 543-4043 Dr. Ihab Ibrahim, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 269-1500 Dr. Jana Hanson, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 594-1240 Dr. Jeffrey Bloom, MDSan Luis Obispo, CA · $47 in drug and device payments (2025) · Telehealth ·
(805) 541-2300 Dr. John Massaro, DOSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 549-0677 Dr. Karen Fong, MDSan Luis Obispo, CA · $162 in drug and device payments (2025) ·
(805) 242-4455 Dr. Leslie Michel, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 594-1240 Dr. Luke Moselle, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 546-7600 Dr. Marilyn Mcgowan, MDSan Luis Obispo, CA · $84 in drug and device payments (2025) · Telehealth ·
(805) 549-8023 Dr. Mark Donaldson, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 543-1233 Dr. Mark Soll, M.DSan Luis Obispo, CA · $774 in drug and device payments (2025) · Telehealth ·
(805) 549-9555 Dr. Mark Stilphen, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 543-4043 Dr. Maureen Haas, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 269-1500 Dr. Michael Steele, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 543-4347 Dr. Philip Borgardt, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 540-5544 Dr. Philippe Duhaime, M.DSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 546-7000 Dr. Phoebe Chen, M.D.San Luis Obispo, CA · $70 in drug and device payments (2025) · Telehealth ·
(805) 549-8023 Dr. Reetika Kumar, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(800) 547-7900 Dr. Robert Brenman, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 541-1177 Dr. Robert Misson, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 547-7900 Dr. Samer Othman, MDSan Luis Obispo, CA · $355 in drug and device payments (2025) · Telehealth ·
(805) 544-7246 Dr. Sowmya Oza, M.D.San Luis Obispo, CA · $40 in drug and device payments (2025) · Telehealth ·
(805) 597-6715 Dr. Stephen Hansen, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 544-2737 Dr. Stephen Hilty, M.D.San Luis Obispo, CA · No drug or device payments recorded (2025) · Telehealth ·
(805) 543-8310 Dr. Surya-rao Pakalapati, MDSan Luis Obispo, CA · No drug or device payments recorded (2025) ·
(805) 543-1233 Dr. Thomas Nguyen, MDSan Luis Obispo, CA · $40 in drug and device payments (2025) · Telehealth ·
(805) 549-8023 Conditions Internal Medicine providers in San Luis Obispo, California commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in San Luis Obispo, California?There are 39 Internal Medicine providers with active NPI records practicing in San Luis Obispo, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in San Luis Obispo received drug or device company payments?11 of 39 (28%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in San Luis Obispo treat?Internal Medicine providers in San Luis Obispo commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in San Luis Obispo Internal Medicine across California