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Doctors That Accept Medicare in Willits, CA

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

These are 172 clinicians enrolled in Medicare and practicing in Willits, 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 Willits by Specialty

Family Medicine(8)

  • Angus Matheson, MD

    John R Glyer D Mills Matheson And Margaret Arner Mds Ptr

    1245 S Main St, Willits95490

    📞 (707) 459-6861Accepts assignment

  • Donald Matheson, MD

    John R Glyer D Mills Matheson And Margaret Arner Mds Ptr

    1245 S Main St, Willits95490

    📞 (707) 459-6861Accepts assignment

  • Elizabeth Whipkey Olson, DO

    John R Glyer D Mills Matheson And Margaret Arner Mds Ptr

    1245 S Main St, Willits95490

    📞 (707) 459-6861Accepts assignment

  • Miriam Harris, MD

    John R Glyer D Mills Matheson And Margaret Arner Mds Ptr

    1245 S Main St, Willits95490

    📞 (707) 459-6861Accepts assignment

  • Jenna Jorgensen, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Jenna Jorgensen, MD

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

  • John Glyer, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • John Glyer, MD

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

Internal Medicine(14)

  • John Williams, DO

    1772 S Main St, Willits95490

    📞 (707) 459-5585Accepts assignmentTelehealth available

  • Brett Halloran, MD

    Galen Inpatient Physicians PC

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Deborah Volk, MD

    Galen Inpatient Physicians PC

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Fariba Amiri, MD

    Galen Inpatient Physicians PC

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignmentTelehealth available

  • Gabrielle Johnson, DO

    Galen Inpatient Physicians PC

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • John Hart JR., MD

    Galen Inpatient Physicians PC

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Kimhai Lam, MD

    Galen Inpatient Physicians PC

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Stuart Bursten, MD

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Claudia Petruncio, DO

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Claudia Petruncio, DO

    Willits Hospital Inc

    3 Marcela Dr, Willits95490

    📞 (707) 459-4220Accepts assignment

  • Claudia Petruncio, DO

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

  • Elizabeth Khan, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Elizabeth Khan, MD

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

  • Marc Shapiro, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

Cardiology(8)

  • Joel Erickson, MD

    Aretaeus Telemedicine Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignmentTelehealth available

  • Lorelei Repique Bietz, MD

    Aretaeus Telemedicine Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignmentTelehealth available

  • Stuart Ruch, MD

    Aretaeus Telemedicine Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignmentTelehealth available

  • Thomas Cunningham, MD

    Aretaeus Telemedicine Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignmentTelehealth available

  • David Ploss, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignmentTelehealth available

  • David Ploss, MD

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignmentTelehealth available

  • Jon Portnoff, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignmentTelehealth available

  • Jon Portnoff, MD

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignmentTelehealth available

Podiatry(2)

  • Hendrik Ryan Tan, DPM

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Hendrik Ryan Tan, DPM

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

Orthopedic Surgery(6)

  • William Bowen, MD

    84 Madrone St, Willits95490

    📞 (707) 459-6855Accepts assignmentTelehealth available

  • Paul Charpentier, MD

    Adventist Health Physicians Network

    3 Marcela Dr, Willits95490

    📞 (707) 459-6115Accepts assignment

  • William Bowen, MD

    Mendocino Community Health Clinic Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignmentTelehealth available

  • William Bowen, MD

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignmentTelehealth available

  • Paul Charpentier, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Sean Kelly, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

Physical Therapist(1)

Diagnostic Radiology(20)

  • Arthur Fontaine, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Ben Lee, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Colton Bush, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • David Jackson, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • David Racker, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Geoffrey Horn, DO

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Gholamreza Malek, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Jack Chen, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • John Vigilante, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Julia Lee, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Kenny Law, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Kevin Kearney, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Laura Winkle, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Peter Piampiano, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Rebecca Kuntz, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Saif Siddiqi, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Sameer Patel, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Sean Johnston, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801May accept assignment

  • Vikram Wadhwa, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • William Duge, MD

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

Nurse Practitioner(14)

  • Bonnie Henderson, NP

    John R Glyer D Mills Matheson And Margaret Arner Mds Ptr

    1245 S Main St, Willits95490

    📞 (707) 459-6861Accepts assignment

  • Carolyn Wyatt, NP

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Jacqueline Dotson, NP

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Kimberly Silva, NP

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Roshanda Grayson-Thomas, NP

    Mendocino Community Health Clinic Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Roshanda Grayson-Thomas, NP

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Barbra Gradus, NP

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Barbra Gradus, NP

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

  • Brian Johnson, NP

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Brian Johnson, NP

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

  • Nika Patterson, NP

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Richard Schneider, NP

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Stephanie Strickland, NP

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Stephanie Strickland, NP

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

Clinical Social Worker(12)

  • Larann Henderson, CSW

    1940 Clover Dr, Willits95490

    📞 (707) 841-9483Accepts assignmentTelehealth available

  • Larann Henderson, CSW

    1940 Clover Dr, Willits95490

    Accepts assignmentTelehealth available

  • Larann Henderson, CSW

    245 S Humboldt St, Suite B, Willits95490

    📞 (707) 841-9483Accepts assignmentTelehealth available

  • Robin Goldner, CSW

    245 S Humboldt St, Suite B, Willits95490

    📞 (707) 459-5673Accepts assignment

  • Amber Bengston, CSW

    Mendocino Community Health Clinic Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Amber Bengston, CSW

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Anna Hendricks, CSW

    Mendocino Community Health Clinic Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Anna Hendricks, CSW

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Eric Emery, CSW

    Mendocino Community Health Clinic Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Eric Emery, CSW

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Melanie Ulvila, CSW

    Mendocino Community Health Clinic Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Melanie Ulvila, CSW

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

Nurse Anesthetist (CRNA)(12)

  • Constance Criswell, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Gregory Niderost, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Gregory Niderost, CNA

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

  • Jacqueline Clavo, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • John Juve, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Josette Salas, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Kevin Knopp, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Raymond Radell, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Samuel Thibodeaux, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Samuel Thibodeaux, CNA

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

  • Vann Miller, CNA

    Willits Hospital Inc

    1 Marcela Dr, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Vann Miller, CNA

    Willits Hospital Inc

    3 Marcela Dr, Suite D, Willits95490

    📞 (707) 459-4220Accepts assignment

Physician Assistant(3)

  • Glenn Gifford, PA

    Mendocino Community Health Clinic Inc

    1 Madrone St, Willits95490

    📞 (707) 459-6801Accepts assignment

  • Glenn Gifford, PA

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

  • Justin Ebert, PA

    Mendocino Community Health Clinic Inc

    45 Hazel St, Willits95490

    📞 (707) 456-9600Accepts assignment

Showing the largest specialties in this city (100 of 144 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 Willits 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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