Clinicians affiliated with Circle Medical Care Of California

81 clinicians on file with this group · most practice in San Francisco-Oakland-Fremont, CA · PAC ID 3870894579

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

28 clinicians affiliated with Circle Medical Care Of California are in the 2024 Medicare Part B data, 7 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 · Nurse Practitioner (11) · Physician Assistant (10) · Family Practice (3) · Internal Medicine (3) · Hospitalist (1)

Specialty links go to the specialty in San Francisco-Oakland-Fremont, CA.

Clinicians affiliated with Circle Medical Care Of California, 2024

Alphabetical by last name; 28.

NameSpecialtyCity
Natalie L Araya, P.A.Physician AssistantSan Francisco, CA
Natalie D Austin, PA-CPhysician AssistantPhiladelphia, PA
Alison Baumann, NPNurse PractitionerCharlottesville, VA
Lynn C Beach, RN, FNPNurse PractitionerSan Francisco, CA
David J Byron, M.D.HospitalistTucson, AZ
Allyson M Collins, APRNNurse PractitionerSan Francisco, CA
Anastasia Collins, DOFamily PracticeTukwila, WA
Claudia Collins, MDFamily PracticeSan Antonio, TX
Angela-Rose J Day, PA-CPhysician AssistantSan Francisco, CA
Sara Ecoro Nzang, APRNNurse PractitionerSalinas, CA
Michael Elkins, P.ACPhysician AssistantAustin, TX
Kambiz Farbakhsh, MDInternal MedicineMinneapolis, MN
Yordanis R Fonseca VegaNurse PractitionerSan Antonio, TX
Kristyn N Frisk, FNP-CNurse PractitionerSan Francisco, CA
Pauline V Good, ARNPNurse PractitionerHollywood, FL
Nalini Gumbs, APRNNurse PractitionerTampa, FL
Kanav P GuptaInternal MedicineDowney, CA
Rashonda N Hall, CNPNurse PractitionerSan Francisco, CA
Catherine V HickeyPhysician AssistantSan Mateo, CA
Barbara Jordan, P.A.Physician AssistantSanta Cruz, CA
Aman Katyal, M.D.Internal MedicineAustin, TX
Daryn Longman, PA-CPhysician AssistantSan Francisco, CA
Rachel R Matthews, NP-BCNurse PractitionerSan Francisco, CA
Rachel Mcpherson, PA-CPhysician AssistantSan Francisco, CA
Regina M Randall, ARNPNurse PractitionerIowa City, IA
Nicole L Tsang, D.O.Family PracticeSan Francisco, CA
Michelle VannPhysician AssistantDelray Beach, FL
Rebecca Vu, PA-CPhysician AssistantNew York, NY

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