Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Grant S Keefer, MPAS, PA-C

Individual provider Physician Assistant · NPI 1437739703

Grant S Keefer, MPAS, PA-C is a Physician Assistant in Lahaina, Hawaii. Qualified in 2021, 5 years ago. Practices with Kaanapali Medical Services Inc, a 5-clinician group, works from 2 locations and offers telehealth.

Years since qualifying
5
In the registry since
2021
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

3350 Lowr Honoapiilani RD Ste 211
Lahaina, HI 96761-8404
Phone: (808) 667-7676
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 3750 Wailea Alanui Dr Ste B34, Kihei, HI 96753-8342 — (808) 875-7676

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1437739703
Entity typeIndividual (Type 1)
GenderMale
Credentials MPAS , PA-C
Sole proprietorNo
NPI enumeratedApril 12, 2021
Last updated in NPPESMay 27, 2026
Certification dateMay 27, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Kaanapali Medical Services Inc — 5 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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