Practice address
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598
This is the address of John Muir Medical Center - Walnut Creek Campus, Cep America - Anesthesia PC, John Muir Magnetic Imaging Center, Bay Imaging Consultants Medical Group Inc, John Muir Trauma Physicians Billing Service, Cep America - California and 4 more groups.
Contra Costa County includes mental health (19% of residents) shortage areas. About shortage areas
At a glance
- Clinicians registered here
- 151
- Physicians (MD and DO)
- 107
- Specialties
- 20
- Industry payments to them, 2025
- $7,221
Specialties here
- Everyone 151
- Anesthesiology 50
- Emergency Medicine 18
- Lactation Consultant 16
- Pharmacists 9
- Neonatology 9
- Hospitalist 8
- Physician Assistants 7
- Nurse Practitioners 7
- Radiology 6
- Pediatrics 3
- Critical Care Medicine 3
- Physical Therapists 2
- Neurology 2
- Hospice & Palliative Medicine 2
- Occupational Therapists 2
- Pathology 2
- Internal Medicine 2
- Physical Medicine & Rehabilitation (PM&R) 1
- Trauma Surgery 1
- Speech-Language Pathologists 1
Who practices here
151 clinicians
- Abraham K. Chung, M.D. Hospitalist
- Aimee L. Spaulding, RN, IBCLC Lactation Consultant
- Alice D. Hunter, M.D. Emergency Medicine
- Alina V. Andrade Physician Assistants
- Amy Aiyegbusi, IBCLC Lactation Consultant
- Andreux W. Chernne, MD Hospitalist
- Andrew A. Kives, M.D. Emergency Medicine
- Ann S. Mohler, MD Pediatrics
- Anna Lou, MD Physical Medicine & Rehabilitation (PM&R)
- Anne Elle, RN, IBCLC Lactation Consultant
- Anupama Gopinath, MD, MRES Anesthesiology
- Benjamin Longwell, D.O. Anesthesiology
- Benjamin S. Lopez, PA Physician Assistants
- Blake A. Vonderheide, MD Anesthesiology
- Bradford Tinloy, M.D. Emergency Medicine
- Brian A. Lentz, MD, MS Emergency Medicine
- Brian D. Hershey, MD Anesthesiology
- Brian Keselyak Emergency Registered Nurse
- Brianne E. Prescott, PA Physician Assistants
- Brooke A. Brooks, PT, DPT Physical Therapists
- Cassandra Dasmarinas Hospitalist
- Chi L. Perlroth, MD Emergency Medicine · John Muir Medical Center Emergency Dept
- Christina Lim, PHARM.D. Pharmacists · John Muir Health Pharmacy Dept
- Christine Abboud, D.O. Anesthesiology
- Cooper C. Chao, MD Anesthesiology
- Coryn I. Nicholls, PA-C Physician Assistants
- Courtney E. Takahashi, M.D. Neurology
- Dan Wajsman, MD Anesthesiology
- Daniel P. Buhler, M.D. Emergency Medicine
- Darrell W. Randle, MD Critical Care Medicine
- David A. Birdsall, M.D. Emergency Medicine
- David A. Shapiro, MD Anesthesiology
- David A. Soohoo, M.D. Emergency Medicine
- David C. Fitzgerald, MD Anesthesiology
- David Goldberg, M.D. Radiology
- David Wei, M.D. Emergency Medicine
- Donna E. Foliart, M.D. Hospice & Palliative Medicine
- Duy Do, M.D. Anesthesiology
- Elgin Hittell, MD Anesthesiology
- Elizabeth M. Oconnor, PAC Physician Assistants · John Muir Medical Center, Walnut Creek
- Eric O. Buadu, MD Critical Care Medicine · John Muir Medical Center
- Esperanza C. Velazco Lactation Consultant
- Fariba Foroushani, MD Anesthesiology
- Florinda D. Nicolas, RNFA Registered Nurse
- Genevieve N. Kinsey, MD Neonatology
- Gurpreet Singh, PHARM.D Pharmacists
- Hai T. Tran, M.D., FASA Anesthesiology
- Haley N. Folta, PA-C Physician Assistants
- Haywon Lieh, MD Anesthesiology
- Henry I. Nesis, MD Anesthesiology
Hospitals and medical groups at this address
- John Muir Medical Center - Walnut Creek Campus hospital 1,183
- Cep America - Anesthesia PC 62 of its clinicians here 849
- John Muir Magnetic Imaging Center 51 of its clinicians here 57
- Bay Imaging Consultants Medical Group Inc 38 of its clinicians here 146
- John Muir Trauma Physicians Billing Service 32 of its clinicians here 113
- Cep America - California 20 of its clinicians here 1,292
- Cep America - Psychiatry PC 12 of its clinicians here 93
- Cep America - Auc PC 7 of its clinicians here 16
- Moussa F Yazbeck MD Inc 5 of its clinicians here 5
- Contra Costa PAthology Associates 5 of its clinicians here 7
From Medicare Care Compare. Numbers on the right are each organization’s clinicians in total.
Industry payments
Drug and device makers reported $7,221 in general payments to 30 clinicians at this address in 2025.
- Sarah M. Laclergue, ACNP-BC $1,575
- Lauren Wisdom $857
- Kimberly Nackord, AG-ACNP-BC $701
- Nitin Kumar $612
- Dan Wajsman, MD $479
- David Wei, M.D. $355
- Mohit Bhatt, DO $266
- Jonathan D. Little, P.A.C. $250
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Organizations registered here
- Sierra Surgicenter Ambulatory Surgical Clinic/Center
- Cep America - Anesthesia, PC Anesthesiology
- John Muir Health Cardiology
- John Muir Health Cardiology
- John Muir Health Clinical Medical Laboratory
- Peace of Mind Mobile Phlebotomist LLC Clinical Medical Laboratory
- John Muir Call Coverage Medical Group, Inc. Critical Care Medicine
- John Muir Magnetic Imaging Center Radiology
- Bay Imaging Consultants Medical Group Inc Radiology
- Cep America - California Emergency Medicine
- John Muir Health General Acute Care Hospital
- Cep America - Auc PC General Practice
- California Emergency Physician Medical Group General Practice
- John Muir Trauma Physicians Billing Service Hospitalist
- East Bay Hospitalists, A Medical Corporation Hospitalist
- John Muir Trauma Physicians Billing Service Hospitalist
- John Muir Health Institutional Pharmacy
- Westin Medical Incorporated Internal Medicine
- Juanlu Medical Corporation Internal Medicine
- Viktoriya Sharp MD A Professional Corporation Internal Medicine
- Natalie C Renda MD Inc Neurology
- John Muir Trauma Physicians Billing Service Neurosurgery
- John Muir Health Nurse Practitioners
- John Muir Trauma Physician Medical Group Pediatric Cardiology
- Moussa F Yazbeck MD Inc Personal Emergency Response Attendant
- Kaidong Wang M.d. Physical Medicine & Rehabilitation (PM&R)
- Cep America - Psychiatry PC Psychiatry
- John Muir Health Rehabilitation Hospital Unit
- Joseph Brandel PC Trauma Surgery
- Michael A Esparza MD Inc Trauma Surgery
- John Muir Trauma Physicians Billing Service Trauma Surgery
Sources: CMS NPPES NPI Registry (who is registered at this address, as each clinician reported it), Medicare Care Compare (hospitals and groups), CMS Open Payments 2025. Addresses can be out of date; call before visiting.