Home › Doctors › Internal Medicine › Clackamas, OR There are 42 Internal Medicine clinicians in Clackamas, OR in Medicare’s data, ranked by the number of Medicare services they provide.
Internal Medicine clinicians in Clackamas Clinician Experience Telehealth Medicare patients Assignment GH Gene Hong, M.D. 37 yrs — 230 Accepts NN Navin Nayak, MD 26 yrs Yes 265 Accepts GG Gregory Garcia, MD 34 yrs Yes 266 Accepts AN Alice Nayak, MD 26 yrs Yes 240 Accepts JK Joseph Kim, MD 21 yrs Yes 243 Accepts CG Catherine Gisi, MD 8 yrs — 112 Accepts EC Emily Cedarbaum, M.D. 11 yrs — 109 Accepts MB Marie Sherleen Brigham, M.D. 20 yrs — 42 Accepts DM Daniel Markowski, MD 9 yrs — 34 Accepts CK Corinne Klykov, M.D. 18 yrs — 29 Accepts PB Patra Behary, M.D. 32 yrs — 32 Accepts SB Sarah Barr, M.D. 12 yrs — 31 Accepts JR James Rood, D.O. 11 yrs — 27 Accepts MP Mario Padilla 11 yrs — 31 Accepts AV Andrea Veryser, MD 19 yrs — 23 Accepts SS Sarah Shubert 11 yrs — 23 Accepts HL Ha Lam, MD 15 yrs — 20 Accepts DL Daniel Lotspeich, MD 23 yrs — 21 Accepts KM Karen Mularski 28 yrs — 17 Accepts JV Joel Vanderschuur, M.D. 11 yrs — 24 Accepts MS Mark Surbaugh, M.D. 24 yrs — 22 Accepts JP Jessica Blake Patel, MD 25 yrs — 18 Accepts GR Gregory Ruttan, M.D. 24 yrs — 21 Accepts MN Malina Neville, MD 25 yrs — 25 Accepts WY Wei-Lin Yang, D.O. 15 yrs — 24 Accepts CB Cody Benthin, M.D. 20 yrs — 24 Accepts FC Frank Chen, M.D. 19 yrs — 20 Accepts SA Samer Abufadil, MD 28 yrs — 18 Accepts DR Derek Rasheed, M.D. 22 yrs — 12 Accepts AC Alla Comardelle, M.D. 24 yrs — 24 Accepts ZG Zoe Gombart, MD 11 yrs — 14 Accepts PS Parsa Shahinpoor, MD 22 yrs — 11 Accepts SY Sarah York, MD 22 yrs — 15 Accepts UA Usman Ahmad, D.O. 18 yrs — 26 Accepts JW Joel Womack 13 yrs — 14 Accepts CC Christopher Clements, MD 19 yrs — 11 Accepts KB Kirthika Balakrishnan, MD 28 yrs — 12 Accepts AH Aaron Ho 11 yrs — 15 Accepts LH Louis Holmes 11 yrs — 12 Accepts LP Lisa Powell, MD 30 yrs — 15 Accepts JH Joshua Hollabaugh, MD 9 yrs — 14 Accepts MD Martin Donohoe, M.D. — — 11 Accepts
What the columns mean Experience — years since the clinician’s medical-school graduation (when known).Telehealth — the clinician reported providing telehealth (video/phone) visits.Medicare patients — distinct Original-Medicare beneficiaries in the latest year; a volume signal, not a quality rating.Assignment — “Accepts” means they accept the Medicare-approved amount as full payment (lower out-of-pocket for Medicare patients).Compare hospital prices in Clackamas → · All Internal Medicine cities →
Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.
