Clinicians affiliated with Sansum Clinic

320 clinicians on file with this group · most practice in Santa Maria-Santa Barbara, CA · PAC ID 3678471976

Affiliation snapshotOctober 2, 2026CMS Doctors and Clinicians file, current snapshot (no end-of-2024 archive), applied to 2024
Activity year2024Medicare Part B claims, Original Medicare fee-for-service

284 clinicians affiliated with Sansum Clinic are in the 2024 Medicare Part B data, 200 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.

Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report

Affiliated clinicians by specialty, 2024

All specialties · Internal Medicine (48) · Physician Assistant (30) · Family Practice (21) · Nurse Practitioner (21) · Physical Therapist in Private Practice (19) · Ophthalmology (10) · Hematology-Oncology (9) · Obstetrics & Gynecology (9) · Dermatology (7) · Diagnostic Radiology (7) · Orthopedic Surgery (7) · Endocrinology (6) · Neurology (6) · Urology (6) · Cardiology (5) · Emergency Medicine (5) · Gastroenterology (5) · Optometry (5) · Radiation Oncology (5) · Rheumatology (5) · General Surgery (4) · Hospitalist (4) · Otolaryngology (4) · Psychiatry (4) · Allergy/ Immunology (3) · Anesthesiology (3) · Infectious Disease (3) · Nuclear Medicine (3) · Podiatry (3) · Pulmonary Disease (3) · Interventional Cardiology (2) · Marriage and Family Therapist (2) · Nephrology (2) · Registered Dietitian or Nutrition Professional (2) · Audiologist (1) · Clinical Cardiac Electrophysiology (1) · General Practice (1) · Occupational Therapist in Private Practice (1) · Pain Management (1) · Surgical Oncology (1)

Specialty links go to the specialty in Santa Maria-Santa Barbara, CA.

Clinicians affiliated with Sansum Clinic, 2024

Alphabetical by last name; 101–200 of 284.

NameSpecialtyCity
Lauren B Gonzalez, ODOptometrySanta Barbara, CA
Liana Gonzalez, M.D.Internal MedicineSanta Barbara, CA
Jacalyn M Gross, MFTMarriage and Family TherapistSanta Barbara, CA
Chad M Guenther, MDHematology-OncologySanta Barbara, CA
Mariam Guenther, MDAllergy/ ImmunologySanta Barbara, CA
Mukul Gupta, M.D.Hematology-OncologySanta Barbara, CA
Gloria Hadsall, M.D.Internal MedicineSanta Barbara, CA
Jeffrey M Hadsall, M.D.Internal MedicineSanta Barbara, CA
William V Hahn, M.D.GastroenterologySanta Barbara, CA
Emilie HalbachFamily PracticeVentura, CA
Angela M Hamilton, P.A.Physician AssistantSanta Barbara, CA
Erin K Hammett, DO.Internal MedicineSanta Barbara, CA
Gregory Hammett, D.O.HospitalistSanta Barbara, CA
Muhammad S Haq, M.D.EndocrinologySanta Barbara, CA
Cristina R Harnsberger, M.D.General SurgerySanta Barbara, CA
Caitlin Harris Hwang, DOFamily PracticeSanta Barbara, CA
Benjamin Hassan, M.D.Internal MedicineSanta Barbara, CA
Brandy Hogg-Duncan, NPNurse PractitionerRichmond, IN
Bryce R Holderness, MDInternal MedicineSanta Barbara, CA
Justin P HoliwellPhysician AssistantSanta Barbara, CA
Taylor J Holve, M.D.CardiologySanta Barbara, CA
Stephen W Hosea, MDInfectious DiseaseSanta Barbara, CA
Benjamin M Howard, M.D.General SurgerySan Francisco, CA
Megan K Hubbs, PAPhysician AssistantSanta Barbara, CA
Charles H HuntAudiologistSanta Barbara, CA
Maricela Hurtado Salinas, FNP-CNurse PractitionerSanta Barbara, CA
Justin Hwang, DOFamily PracticeSanta Barbara, CA
Samantha Iannucci, DPTPhysical Therapist in Private PracticeLos Angeles, CA
James P Ingersoll, M.D.Family PracticeSanta Barbara, CA
Douglas W Jacobson, MDOphthalmologySanta Barbara, CA
Ramiro Jervis, MDInternal MedicineBrooklyn, NY
Tianlun Jiang, MD, PHDDermatologySanta Barbara, CA
Lauren E Jordan, M.D.Obstetrics & GynecologyPhoenix, AZ
Mark C Juretic, MDInternal MedicineSanta Barbara, CA
Justin J Kam, PAPhysician AssistantSanta Barbara, CA
Kevin M Kapadia, M.D.NeurologySanta Barbara, CA
Sean K Keem, MDOrthopedic SurgerySeattle, WA
Ryan F Kendle, M.D.Hematology-OncologySanta Barbara, CA
Rachel KernoffFamily PracticeSanta Barbara, CA
Robert J Kershaw, MDInternal MedicineSanta Barbara, CA
Hyo K Kim, M.D.Radiation OncologySanta Barbara, CA
Jeffrey D Kim, M.D.Family PracticeCarpinteria, CA
Sheryl M King, P.T.Physical Therapist in Private PracticeSanta Barbara, CA
Denise S Kircher, P.A.Physician AssistantSanta Barbara, CA
Alex Koper, M.D.UrologySanta Barbara, CA
Andrea Kremsreiter, PA-CPhysician AssistantSolvang, CA
Elizabeth I Krenz, MDAnesthesiologySanta Barbara, CA
Ann Kurtenbach, PTPhysical Therapist in Private PracticeDublin, OH
Christopher D Kuzminski, M.D.Diagnostic RadiologySanta Barbara, CA
Shin-Yi Lai, M.D.Emergency MedicineWorcester, MA
Anh Lam, MDInternal MedicineSanta Barbara, CA
Jeremy L Lash, MDInternal MedicineSanta Barbara, CA
Roxana A Ledig, M.D.Internal MedicineSanta Barbara, CA
Ann M Lee, MDPulmonary DiseaseSanta Barbara, CA
Katherine Lee, MDObstetrics & GynecologySanta Barbara, CA
Yurhee Lee, M.D.Internal MedicineSanta Barbara, CA
Kyle W Lemon, M.D.Internal MedicineSanta Barbara, CA
Susan I Lemon, DORheumatologySanta Barbara, CA
David Lerner, D.O.CardiologySanta Barbara, CA
Winifred K Leung, M.D.Diagnostic RadiologySanta Barbara, CA
Alyssa R LewisPhysician AssistantSanta Barbara, CA
Myron Liebhaber, M.D.Allergy/ ImmunologySanta Barbara, CA
Lindsay B LookingbillMarriage and Family TherapistSanta Barbara, CA
Miguel Loya, D.O.Internal MedicineSolvang, CA
Monique Machado, FNP-CNurse PractitionerSolvang, CA
Cory Malone, MDDiagnostic RadiologySt Charles, MO
David A Mandel, M.D.Internal MedicineSanta Barbara, CA
Kiran Mariwalla, MDInternal MedicineSolvang, CA
Kateryna Markova, M.D.EndocrinologySanta Barbara, CA
Kari Mathison, M.D.Family PracticeSanta Barbara, CA
Scott A Mayfield, MDAnesthesiologyOrange, CA
Ashley L Mcgrogan, PA-CPhysician AssistantSolvang, CA
Sean R Mcguinness, MDHospitalistSanta Barbara, CA
Stanley E Mclain, M.D.Family PracticeSanta Barbara, CA
Mick S Meiselman, MDGastroenterologySan Luis Obispo, CA
Thomas E Mellor, D.O.GastroenterologySanta Barbara, CA
Andrew Mester, M.D.OtolaryngologySanta Barbara, CA
Justin T Meyer, D.P.M.PodiatrySanta Barbara, CA
Toni T Meyers, M.D.OphthalmologySanta Barbara, CA
Katrina B Mitchell, M.D.Surgical OncologySanta Barbara, CA
Zoltan Mocsary, M.D.NeurologyVisalia, CA
James Moghtader, M.D.PsychiatrySanta Barbara, CA
Lindsay M Mustard, PA-CPhysician AssistantSanta Barbara, CA
Brittany Nelson, PA-CPhysician AssistantSanta Barbara, CA
Gregg C Newman, M.D.Hematology-OncologySanta Barbara, CA
Brian E Ng, ODOptometrySanta Barbara, CA
Dung-Hoa T Nguyen, M.D.Internal MedicineSanta Barbara, CA
Nandini R Nittur, MDObstetrics & GynecologySanta Barbara, CA
W K O'CallaghanInternal MedicineSanta Barbara, CA
Mike Oulashian, M.D.Family PracticeThousand Oaks, CA
Jodi Pace, AGNP-BCNurse PractitionerLouisville, KY
William M Pace, MDNuclear MedicineCamarillo, CA
Angela Pap, M.D.Internal MedicineVisalia, CA
Grace E Park, M.D.Internal MedicineSanta Barbara, CA
Miguel Pedroza, M.DFamily PracticeSanta Barbara, CA
Madeline C Perez-Andrade, PAPhysician AssistantSanta Barbara, CA
Dwight H Peterson, P.T.Physical Therapist in Private PracticeSanta Barbara, CA
Rosanna Petronella, P.A.Physician AssistantSanta Barbara, CA
Brook D Phillips, MPTPhysical Therapist in Private PracticeGoleta, CA
David L Phreaner, M.D.Family PracticeSanta Barbara, CA

Practice locations

Listed practice locations in California.

Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.

Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations