Theresa Hammerquist, MSN, APRN, NP-C, CNP

Primary Care NP

GenderFemaleNPI1982194049Affiliated sites1

Affiliated Health Centers

Theresa Hammerquist is affiliated with 1 federally qualified health center location.

Horizon Health - Martin Medical

109 Pugh St, Martin, SD 57551-7700

Medicare

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Nurse Practitioners & PAs Services

Nurse practitioners and physician assistants delivering primary and specialty care — the backbone of FQHC clinical teams.

Primary care visits

Chronic disease management

Medication prescribing

Health screenings

Minor procedures

Care coordination

Telehealth services

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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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Primary Care NP

Providing primary care np services at federally qualified health centers with sliding fee scale options.

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Affiliated Health Center

Horizon Health - Martin Medical

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Theresa Hammerquist, MSN, APRN, NP-C, CNP

Affiliated Health Centers

Nurse Practitioners & PAs Services

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Primary Care NP

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