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Doctors That Accept Medicare in Hollister, CA

125 Medicare-enrolled clinicians · CMS data, refreshed 2026-06-26

These are 125 clinicians enrolled in Medicare and practicing in Hollister, grouped by specialty below. Being enrolled means they can bill Original Medicare for your care. Most also accept assignment — they take Medicare's approved amount as full payment, so you only owe your deductible and 20% coinsurance. Call first to confirm they're accepting new Medicare patients.

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Providers in Hollister by Specialty

Family Medicine(20)

  • Daniel Wang, MD

    920 Sunnyslope Rd, Hollister95023

    📞 (831) 636-1332Accepts assignment

  • Marie Claudette Grageda, MD

    930 Sunnyslope Rd, C1, Hollister95023

    📞 (831) 636-1751Accepts assignmentTelehealth available

  • Marni Friedman, MD

    901 Sunset Dr, Hollister95023

    📞 (831) 637-7466Accepts assignmentTelehealth available

  • Arminda Tolentino, MD

    Bass Medical Group

    591 McCray St, Suite 231, Hollister95023

    📞 (831) 636-3116Accepts assignmentTelehealth available

  • Arminda Tolentino, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

  • Arminda Tolentino, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

  • Benedict Carota, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Benedict Carota, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Claire Hartung, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Cristian Carrillo, DO

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Joaquin Charles, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Joshua Deutsch, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Jullian Nguyen, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

  • Natalie Lacorte, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Dilshad Kheraj, DO

    Paul J Percival M D Medical Corporation

    591 McCray St, Suite 221, Hollister95023

    📞 (831) 638-9715Accepts assignment

  • Paul Percival, MD

    Paul J Percival M D Medical Corporation

    591 McCray St, Suite 221, Hollister95023

    📞 (831) 638-9715Accepts assignmentTelehealth available

  • Erika Ceballos, MD

    San Benito Health Foundation

    351 Felice Dr, Hollister95023

    📞 (831) 637-5306May accept assignment

  • Javier Sotomayor Tapia, MD

    San Benito Health Foundation

    351 Felice Dr, Hollister95023

    📞 (831) 637-5306May accept assignment

  • Maria Vargas Torres, MD

    San Benito Health Foundation

    351 Felice Dr, Hollister95023

    📞 (831) 637-5306May accept assignment

  • Nathanael Cordero Valentin, MD

    San Benito Health Foundation

    351 Felice Dr, Hollister95023

    📞 (831) 637-5306May accept assignment

Internal Medicine(8)

  • Martin Bress

    930 Sunnyslope Rd, B1, Hollister95023

    📞 (831) 637-9215Accepts assignment

  • Kenneth Jiang, MD

    Bass Medical Group

    591 McCray St, Suite 211, Hollister95023

    📞 (831) 636-3116Accepts assignmentTelehealth available

  • Mohammad Al Hasan, MD

    Big River Emergency Physicians Inc

    911 Sunset Dr, Hollister95023

    📞 (831) 626-2640Accepts assignmentTelehealth available

  • Jiwu Sun, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Joseph Jiang, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

  • Michael Sepulveda, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Saiham Shahabuddin, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Sarathy Mandayam, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

Cardiology(2)

  • Jerry Ginsburg, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Joseph Klapper, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

Optometry(8)

  • Michael Neunzig, OD

    891 Sunset Dr, Hollister95023

    📞 (831) 637-7471Accepts assignment

  • Thien Pham, OD

    956 San Benito St, Ste. A, Hollister95023

    Accepts assignment

  • Thien Pham, OD

    956 San Benito St, Suite A, Hollister95023

    📞 (831) 637-2020Accepts assignment

  • Elizabeth Anderson, OD

    Robert M Theaker O D An Optometric Corporation

    365 6th St, Hollister95023

    📞 (831) 637-5536Accepts assignment

  • Robert Theaker, OD

    Robert M Theaker O D An Optometric Corporation

    365 6th St, Hollister95023

    📞 (831) 637-5536Accepts assignment

  • Joyce Wilbur, OD

    San Benito Health Foundation

    351 Felice Dr, Hollister95023

    📞 (831) 637-5306May accept assignment

  • Joyce Wilbur, OD

    San Benito Health Foundation

    351 Felice Dr, Hollister95023

    May accept assignment

  • Shelsea Winkler, OD

    Spectrum Eye Physicians A Medical Corporation

    930 Sunnyslope Rd, Suite E, Hollister95023

    📞 (831) 637-0705Accepts assignment

Ophthalmology(2)

  • Nazhat Sharma, MD

    San Benito Health Foundation

    351 Felice Dr, Hollister95023

    📞 (831) 637-5306May accept assignment

  • Nazhat Sharma, MD

    San Benito Health Foundation

    351 Felice Dr, Hollister95023

    May accept assignment

Orthopedic Surgery(6)

  • Christopher Verioti, DO

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • John Wiemann IV, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Joseph Fabry, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Letitia Bradford, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Russell Dedini, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

  • Stefan Klein, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

Urology(2)

  • Katherine Volpe, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

  • Katherine Volpe, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

Neurology(1)

  • Vivek Jain, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

Physical Therapist(5)

  • Clint Zollinger, PT

    Zollinger Physical Therapy

    1710 Memorial Dr, Suite A, Hollister95023

    📞 (831) 637-8108Accepts assignment

  • Earl Friend IV, PT

    Zollinger Physical Therapy

    1710 Memorial Dr, Suite A, Hollister95023

    📞 (831) 637-8108Accepts assignment

  • Glenn Schulz, PT

    Zollinger Physical Therapy

    1710 Memorial Dr, Suite A, Hollister95023

    📞 (831) 637-8108Accepts assignment

  • Natalie Morris, PT

    Zollinger Physical Therapy

    1710 Memorial Dr, Suite A, Hollister95023

    📞 (831) 637-8108Accepts assignment

  • Nicole Fumagalli, PT

    Zollinger Physical Therapy

    1710 Memorial Dr, Suite A, Hollister95023

    📞 (831) 637-8108Accepts assignment

Physician Assistant(13)

  • Ray Kusumoto, PA

    Bass Medical Group

    591 McCray St, Hollister95023

    📞 (831) 636-3116Accepts assignmentTelehealth available

  • Taylor Snow, PA

    Bass Medical Group

    591 McCray St, Hollister95023

    📞 (831) 636-3116Accepts assignment

  • Amy Chu, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Amy Chu, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Caitlin Schafer, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Caitlin Schafer, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Loc DO, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Loc DO, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Mike Baker, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Olivia Tran, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Theresa May

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Theresa May

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Vanessa Bojorques, PA

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

Clinical Social Worker(8)

  • Mariana Pereyra-Pitts, CSW

    1131 Community Pkwy, Hollister95023

    May accept assignment

  • Ronald Ober, CSW

    2160 Calistoga Dr, Hollister95023

    📞 (408) 406-6787Accepts assignment

  • Shannon Gomez, CSW

    1131 Community Pkwy, Hollister95023

    May accept assignment

  • Shannon Gomez, CSW

    1131 Community Pkwy, Hollister95023

    May accept assignment

  • Heather Rogers, CSW

    San Benito County

    1131 Community Pkwy, Hollister95023

    📞 (831) 636-4020Accepts assignment

  • Heather Rogers, CSW

    San Benito County

    1131 San Felipe Rd, Hollister95023

    📞 (831) 636-4020Accepts assignment

  • Nayely Dominguez, CSW

    San Benito County

    1131 Community Pkwy, Hollister95023

    📞 (831) 636-4020Accepts assignment

  • Nayely Dominguez, CSW

    San Benito County

    1131 San Felipe Rd, Hollister95023

    📞 (831) 636-4020Accepts assignment

Obstetrics & Gynecology(6)

  • Ralph Armstrong, MD

    931 Sunset Dr, Hollister95023

    📞 (831) 635-0604May accept assignment

  • Sylvia Morgan, MD

    191 San Felipe Rd, Suite P, Hollister95023

    📞 (831) 634-4666Accepts assignment

  • James Lilja, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

  • Margaret Cooper Vaughn, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Mohammad Barra, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Zarin Amin, DO

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

Psychiatry(5)

  • Megann McGinnis, DO

    1085 S Ridgemark Dr, Hollister95023

    May accept assignment

  • Lourdes Grayson, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Lourdes Grayson, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Oscar Canale, MD

    San Benito County

    1131 Community Pkwy, Hollister95023

    📞 (831) 636-4020Accepts assignment

  • Peter Huang, MD

    San Benito County

    1131 San Felipe Rd, Hollister95023

    📞 (831) 636-4020Accepts assignment

Chiropractic(4)

  • John Valenzuela, CH

    200 Tres Pinos Rd, Hollister95023

    May accept assignment

  • John Valenzuela, CH

    200 Tres Pinos Rd, Suite 101, Hollister95023

    📞 (831) 637-8099May accept assignment

  • Larry Masula, CH

    890 Sunset Dr, Suite D2c, Hollister95023

    📞 (831) 637-9283Accepts assignment

  • Sam Breger, CH

    890 Sunset Dr, Suite D2c, Hollister95023

    📞 (831) 637-9283Accepts assignment

General Surgery(4)

  • Ghulam Moheyuddin, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Mostafa Sadek, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Mostafa Sadek, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Scott Benninghoven, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

Marriage & Family Therapist(3)

  • David Dummar

    San Benito County

    1131 Community Pkwy, Hollister95023

    📞 (831) 636-4020Accepts assignment

  • Sandra Lopez

    San Benito County

    1131 Community Pkwy, Hollister95023

    📞 (831) 636-4020Accepts assignment

  • Sandra Lopez

    San Benito County

    1131 San Felipe Rd, Hollister95023

    📞 (831) 636-4020Accepts assignment

Gastroenterology(3)

  • Bret Namihas, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignment

  • Hongguang Liu, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

  • Piyush Dhanuka, MD

    Hazel Hawkins Memorial Hospital

    911 Sunset Dr, Hollister95023

    Accepts assignmentTelehealth available

Showing the largest specialties in this city (100 of 125 listed providers). Call ahead — not every Medicare-enrolled clinician here fits on one page.

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Frequently Asked Questions

Are these doctors in Hollister accepting new Medicare patients?

We can't say for sure — CMS's enrollment data confirms a provider is enrolled in Medicare, not whether their practice is currently open to new patients. Call first to confirm they're accepting new Medicare patients before you book.

What does "accepts Medicare assignment" mean?

It means the provider takes Medicare's approved amount as full payment for a covered service, so you only owe your normal deductible and 20% coinsurance — no extra charges. A provider marked "may accept assignment" can go either way, so ask when you call.

Will these doctors work with my Medicare Advantage plan?

Not necessarily. This directory is built from Medicare enrollment data, which applies to Original Medicare. If you have a Medicare Advantage plan, your plan's own network determines who's covered — check your plan's directory first, then confirm with the office directly.

Does Original Medicare cover dental care from these providers?

Original Medicare does not cover routine dental care like cleanings, fillings, or dentures. Some Medicare Advantage plans include dental benefits. See our guide on what Medicare does and doesn't cover for dental.

Provider data from the CMS Doctors and Clinicians National Downloadable File, refreshed 2026-06-26. Directory information only, not medical or insurance advice. View all Medicare doctors in California →

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