Mary Ann Santos Pefanco, M.D.

Internal Medicine

Telehealth Available
NPI Active per CMS — Q2 2026

With over 27 years in internal medicine, Mary Ann Pefanco, M.D. is a long-established internist in Hilo. With 27+ years of experience, she has been practicing in the Hilo area.

1 of 161 Internal Medicine providers in HISee all Internal Medicine in Hilo27+ years experienceNPI since 2006

Data updated 2008-03-20 on CMS NPPES

Contact & Location

Practice Location

1178b Kinoole St, Hilo, HI 96720-4133

Fax: (808) 961-4909

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Internal MedicineAllopathic & Osteopathic Physicians

Internal medicine physician

Taxonomy: 207R00000X

Virtual Internal Medicine Care With Mary Ann Pefanco

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Mary Ann Pefanco for follow-ups, medication reviews, and ongoing care — no travel to Hilo required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Mary Ann Pefanco

NPI records show Dr. Pefanco as active with telehealth listed in Hilo, HI. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (808) 969-1427.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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