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Active NPI 1437739703 Individual Practitioner Male Practitioner

Grant S Keefer , MPAS, PA-C

Physician Assistant • Lahaina, HI

Telehealth Available

Professional Overview & Biography Verified Profile Summary

Grant Keefer, MPAS, PA-C is a certified Physician Assistant practicing in Lahaina, HI. With approximately 5 years of clinical experience since completing medical education in 2021, Grant Keefer delivers high-quality medical care to the local community at 3350 LOWER HONOAPIILANI RD STE 211.

Grant Keefer is affiliated with Kaanapali Medical Services Inc and does not directly accept Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include injection, dexamethasone sodium phosphate, 1 mg, new patient outpatient office visit, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3350 Lower Honoapiilani Rd Ste 211

Lahaina, HI 967618404

Telephone 8086677676
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2021

Medicare Assignment

Not Specified

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Lahaina, HI

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs +1.3 yrs vs City Avg
City Avg: 3.7 Yrs
State Avg: 10.7 Yrs
Regional Practice Density
3 Specialists

Practicing in Lahaina, HI (389 Statewide)

Telehealth Adoption Rate
66.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
76.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Keefer (5 Years) 5 Yrs
Lahaina Specialty Average (3.7 Years) 3.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
J1100 Injection, dexamethasone sodium phosphate, 1 mg
275 45 $11.97 $0.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
267 267 $314.02 $144.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
171 135 $360.93 $110.73
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza
102 98 $249.75 $68.60
J1885 Injection, ketorolac tromethamine, per 15 mg
100 24 $28.66 $0.60
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention
90 65 $90.49 $12.73
J0696 Injection, ceftriaxone sodium, per 250 mg
50 11 $43.28 $0.47
81003 Automated urinalysis test
37 36 $64.65 $2.20
99213 Established patient office or other outpatient visit, typically 15 minutes
33 30 $256.44 $80.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
30 30 $284.25 $98.05
87804 Detection test by immunoassay with direct visual observation for influenza virus
28 14 $96.58 $14.24
71046 X-ray of chest, 2 views
21 20 $338.09 $25.98
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)
19 19 $90.14 $16.20
93000 Routine ekg using at least 12 leads including interpretation and report
15 15 $227.75 $12.62
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen
13 13 $201.25 $44.28

Medical Specialties & State Licenses

CMS Verified: 2026-05-27
Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Kaanapali Medical Services Inc

3350l Honoapiilani Hwy, Lahaina, HI 967619413

Phone: 8086677676

Kaanapali Medical Services Inc

3750 Wailea Alanui Dr, Wailea, HI 967538342

Phone: 8086677676

Kaanapali Medical Services Inc

3350 L Honoapiilani Rd, Lahaina, HI 967618404

Secondary Practice Locations

3750 Wailea Alanui Dr Ste B34

Kihei, HI 967538342

Phone: 8088757676

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

6 Associated Practitioners
Julia Musselman

Nurse Practitioner - Family

NPI 1144985151
NPI 1326606781

Doctor of Medicine (M.D.)

Rachel Vigliotti , PA-C

Physician Assistant - Medical

NPI 1497260640

Physician Assistant (Certified)

Catherine Scott , PA-C

Physician Assistant

NPI 1518549815

Physician Assistant (Certified)

Kylie Flickinger

Physician Assistant

NPI 1699653147
Dr. Norman Estin , MD

Internal Medicine

NPI 1760542914

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location May 27, 2026

Registered at 3350 LOWER HONOAPIILANI RD STE 211, LAHAINA, HI 967618404 (Tel: 8086677676)

📍
Updated Business Mailing Address May 27, 2026

Registered at 3350 LOWER HONOAPIILANI RD STE 211, LAHAINA, HI 967618404 (Tel: 8179165199)

NPI Profile Active April 12, 2021

NPI status registered as active in NPPES database

📍
Updated Practice Location April 12, 2021

Registered at 2730 SW WILSHIRE BLVD, BURLESON, TX 760288338 (Tel: 8179165199)

📍
Updated Business Mailing Address April 12, 2021

Registered at 2730 SW WILSHIRE BLVD, BURLESON, TX 760288338 (Tel: 8179165199)

👤
Provider Name / Credentials Updated April 12, 2021

Recorded as GRANT KEEFER, MPAS, PA-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 12, 2021

Physician Assistant

🟢
Initial NPI Registration & Enumeration April 12, 2021

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1437739703
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 12, 2021
Last Update: May 27, 2026
Sole Proprietor: No

Mailing Address

3350 Lower Honoapiilani Rd Ste 211

Lahaina, HI 967618404

Phone: 8179165199

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.