Lydia Mertens, MD

Internal Medicine

GenderFemaleNPI1366592172Affiliated sites1

Affiliated Health Centers

Lydia Mertens is affiliated with 1 federally qualified health center location.

Sebastopol Community Health Center

6800 Palm Ave STE C, Sebastopol, CA 95472-4269

Medicare★ 3.6 Google (14)

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Primary Care Services

Preventive care, chronic disease management, and routine health services for all ages.

Annual physicals

Chronic disease management

Immunizations

Preventive screenings

Acute illness care

Hypertension & diabetes management

Referral coordination

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Clinician information is sourced from the NPPES National Provider Registry (February 2026) and reflects self-reported practice locations. Individual providers may have joined or left since the last registry update.

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Internal Medicine

Providing internal medicine services at federally qualified health centers with sliding fee scale options.

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Affiliated Health Center

Sebastopol Community Health Center

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Going to a Community Health Center?

These clinics charge based on what you earn, and are funded to serve people who cannot pay much.

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Lydia Mertens, MD

Affiliated Health Centers

Primary Care Services

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Verify on NPI Registry

Internal Medicine

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Going to a Community Health Center?