Clinicians affiliated with Monterey Bay Observation Medicine

34 clinicians on file with this group · most practice in Salinas, CA · PAC ID 1052630514

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

30 clinicians affiliated with Monterey Bay Observation Medicine are in the 2024 Medicare Part B data, 28 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 · Emergency Medicine (25) · Family Practice (1) · Hospitalist (1) · Infectious Disease (1) · Nurse Practitioner (1) · Physician Assistant (1)

Specialty links go to the specialty in Salinas, CA.

Clinicians affiliated with Monterey Bay Observation Medicine, 2024

Alphabetical by last name; 30.

NameSpecialtyCity
Sameer R Bakhda, M.D.Emergency MedicineMonterey, CA
Alec BloomEmergency MedicineMonterey, CA
Max Caccese, M.D.Emergency MedicineSan Diego, CA
Robert P Collins, M.D.Emergency MedicineConcord, MA
David Dansky, M.D.Emergency MedicineMonterey, CA
Kathleen A Davies, PAPhysician AssistantAberdeen, WA
Karolina P DeaugustinisEmergency MedicineBaltimore, MD
Matthew L Deaugustinis, M.D., M.P.H.Emergency MedicineBaltimore, MD
John M Ellison, M.D.Emergency MedicineMonterey, CA
Paul File, M.D.Emergency MedicineMonterey, CA
Stephanie C Gardner, MDEmergency MedicineAlbuquerque, NM
John Hage, M.D.Emergency MedicineMonterey, CA
Keisha M Hanson, FNP-CNurse PractitionerMonterey, CA
Eugene D Hill, MDEmergency MedicineMonterey, CA
Andrew Kaminski, MDFamily PracticeMonterey, CA
Nesreen S Khraisha, M.D.Infectious DiseaseMonterey, CA
Michelle A Krueger-Kalinski, M.D.Emergency MedicineMonterey, CA
Osayi Lawani, MDHospitalistMonterey, CA
Kangmei Lievano, DOEmergency MedicineBronx, NY
Samuel N Melton, M.D.Emergency MedicineLos Angeles, CA
Hallie A Metz, M.D.Emergency MedicineSanta Fe, NM
Andrew J Ortega, M.D.Emergency MedicinePeoria, IL
Brannon P Peralta, MDEmergency MedicineMonterey, CA
Gennarina L Riso, DOEmergency MedicineMonterey, CA
Roderick C Roxas, M.D.Emergency MedicineChicago, IL
Catherine Seo, MDEmergency MedicineMonterey, CA
Mark R Serpico, MDEmergency MedicineDenver, CO
Randeep Singh, MDEmergency MedicineSan Francisco, CA
Rory M Smith, DOEmergency MedicinePhoenix, AZ
Erin M Sullivan, MDEmergency MedicineSalinas, 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