William Longton, MD

Pain Management · Bass Medical Group

Pain ManagementHigh data-match confidence

Directory record — please verify

This listing comes from CMS Medicare Doctors and Clinicians data and was updated August 2, 2026. It does not confirm Medicare coverage, plan network, referral or prior authorization, offered services, or current availability. Verify each item directly before scheduling.

At a glance

William Longton, MD is listed as a Pain Management in Corte Madera, CA. Call 9252871256 to confirm current participation and availability.

Services & care categories

Pain Management Accepts Medicare assignment Telehealth available

Medicare questions to ask

1Do you currently accept Medicare assignment for these services?
2Is this location in-network for my Medicare Advantage plan?
3Will I need a referral or prior authorization before my visit?
4What out-of-pocket costs should I expect under Medicare?
5Do you provide the specific care I need (pain management, PM&R, behavioral health, or mild TBI)?

Location

Frequently asked questions

Does William Longton, MD accept Medicare?

William Longton, MD is an imported senior-care record. Confirm Medicare participation and network status directly with the facility before scheduling.

Where is William Longton, MD located?

William Longton, MD is located at 2 Fifer Ave, Suite 130, Corte Madera, CA 94925.

What is the phone number for William Longton, MD?

You can reach William Longton, MD at 9252871256.

What care does William Longton, MD offer?

Listed services include Pain Management, Accepts Medicare assignment, Telehealth available. Verify availability with the facility.

Source

CMS Medicare Doctors and Clinicians data.

How directory records are sourced and updated

Medicare questions to ask

1Do you currently accept Medicare assignment for these services?
2Is this location in-network for my Medicare Advantage plan?
3Will I need a referral or prior authorization before my visit?
4What out-of-pocket costs should I expect under Medicare?
5Do you provide the specific care I need (pain management, PM&R, behavioral health, or mild TBI)?

Location

Frequently asked questions

Does William Longton, MD accept Medicare?

William Longton, MD is an imported senior-care record. Confirm Medicare participation and network status directly with the facility before scheduling.

Where is William Longton, MD located?

William Longton, MD is located at 2 Fifer Ave, Suite 130, Corte Madera, CA 94925.

What is the phone number for William Longton, MD?

You can reach William Longton, MD at 9252871256.

What care does William Longton, MD offer?

Listed services include Pain Management, Accepts Medicare assignment, Telehealth available. Verify availability with the facility.