Internal Medicine in Santa Rosa, California
Data updated monthly · Last refresh September 2026
99 Internal Medicine providers practice in Santa Rosa, and 19% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Santa Rosa
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. Lingjin MengSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 303-3600 Dr. Lois Johnson, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 522-1466 Dr. Loretta Zweig, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Lucy Oh, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Madhavi Vetsa, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) · Telehealth ·
(075) 665-8757 Dr. Mandeep Nagra, MB,BSSanta Rosa, CA · $128 in drug and device payments (2025) ·
(707) 570-3855 Dr. Marjorie Kelvin, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Marlon Decastro, M.D.Santa Rosa, CA · $339 in drug and device payments (2025) · Telehealth ·
(707) 303-8300 Dr. Martin Rubinger, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 526-0310 Dr. Maya Land, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 393-4044 Dr. Mohammad Khan, DOSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 393-4000 Dr. Monica Ferguson, MDSanta Rosa, CA · $152 in drug and device payments (2025) · Telehealth ·
(707) 303-8300 Dr. Naseer JameelSanta Rosa, CA · No drug or device payments recorded (2025) ·
(347) 635-3474 Dr. Navneet Attri, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 521-8841 Dr. Neil Levin, M.D.Santa Rosa, CA · $213 in drug and device payments (2025) · Telehealth ·
(707) 546-2180 Dr. Nhung Quach, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 393-4000 Dr. Nicholas Anton, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 544-3411 Dr. Parul Kohli, M.D.Santa Rosa, CA · $15 in drug and device payments (2025) ·
(707) 546-2180 Dr. Robert Schaefer, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 544-3411 Dr. Robert Stewart, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-2180 Dr. Roger NacouziSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-5675 Dr. Rohee Krishan, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. Ron Kennedy, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-0100 Dr. Roxanna PourmirzaieSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. Rumka Singh, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Sabina Hoque, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 569-2340 Dr. Sanyogeeta Bhaway, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 303-8307 Dr. Saverio Roberto, DOSanta Rosa, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 526-3360 Dr. Scott Peterson, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 545-1700 Dr. Seena Davies, MDSanta Rosa, CA · No drug or device payments recorded (2025) · Telehealth ·
(707) 393-4104 Dr. Sheldon Weiss, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 523-0250 Dr. Shelleen Denno, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 526-0465 Dr. Siddharth Hublikar, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-3210 Dr. Soheila Benrazavi, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 528-1616 Dr. Sonia Zaveri, D.O.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. Stephen Sheerin, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 547-2222 Dr. Stuti Kulkarni, M.D.Santa Rosa, CA · $162 in drug and device payments (2025) ·
(707) 393-4000 Dr. Suhana Elamsenthil, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. Sumandeep Kaur, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-3263 Dr. Tatiana KalitaSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 525-5300 Dr. Terry Woodard, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Thomas Crane, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Thomas Guyn, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-2180 Dr. Thomas Watson, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. Timothy Gieseke, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-2180 Dr. Vunghi Hoang, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 576-4000 Dr. William Carroll, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 546-2180 Dr. William Costello, MDSanta Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-4000 Dr. Zhen Zhou Feng, M.D.Santa Rosa, CA · No drug or device payments recorded (2025) ·
(707) 571-3621 Conditions Internal Medicine providers in Santa Rosa, 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 Santa Rosa, California?There are 99 Internal Medicine providers with active NPI records practicing in Santa Rosa, according to federal NPPES data refreshed monthly.
How many Internal Medicine providers in Santa Rosa received drug or device company payments?19 of 99 (19%) 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 Santa Rosa treat?Internal Medicine providers in Santa Rosa 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 Santa Rosa Internal Medicine across California
