Grant Keefer, MPAS, PA-C
Physician Assistant · Lahaina, HI
Grant Keefer, MPAS, PA-C is a physician assistant with a practice address in Lahaina, Hawaii, and NPI 1437739703, issued on Apr 12, 2021. Check the license with the Hawaii board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grant Keefer
- Credential
- MPAS, PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 3350 Lower Honoapiilani RD Ste 211, Lahaina, HI 96761
- Phone
- (808) 667-7676
- Enumerated
- Apr 12, 2021
- Entity
- Type 1 · individual
Also registered at 3350 Lower Honoapiilani RD Ste 211
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent Fussell, MDFamily Medicine Physician1326606781
- Catherine Scott, PA - CPhysician Assistant1518549815
Verify Grant Keefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Hawaii board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
28% fewer Medicare Part D claims than the average physician assistant in 2024
600 Medicare Part D claims for 347 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Methylprednisolone61 claims
- Albuterol Sulfate Hfa48 claims
- Amoxicillin-Clavulanate Potass37 claims
- Meloxicam37 claims
- Mupirocin37 claims
- Paxlovid36 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $81.23
4 payments, mostly food and beverage; the largest payer was Pfizer Inc.. The 61,144 providers of this specialty with any payment received $853.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Kaanapali Medical Services IncLahaina, HI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 physician assistant records list a Lahaina practice address
They are 3 of the 195 NPPES records with a Lahaina practice address, and 361 physician assistant records in Hawaii.
All 3 in Lahaina → All 361 in Hawaii → Every provider in Lahaina →
Other physician assistant records in Hawaii
- Patricia Achay, P.A.Kailua Kona, HI1740682889
- Kellie Acosta, PA-CKailua Kona, HI1053777342
- Christopher Acree, PAHonolulu, HI1629013032
- Rhynell AgustinTripler Army Medical Center, HI1144008251
- Tiana Rose Ahue, PA-CWaianae, HI1740731546
- Joyce Aldon, PA-CKapolei, HI1336180124
- Stephanie Amick, PA-CKailua, HI1306475082
- Nicole Antenucci, P.A.Tripler Army Medical Center, HI1972739852
- Kerri Anzai, PA-CHonolulu, HI1275778193
- Christopher Apostolides, PAHonolulu, HI1083655153
Common questions
What is Grant Keefer, MPAS, PA-C's NPI number?
Grant Keefer, MPAS, PA-C's National Provider Identifier (NPI) is 1437739703, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Grant Keefer, MPAS, PA-C located?
The NPPES record lists a practice address at 3350 Lower Honoapiilani RD Ste 211, Lahaina, HI, 96761. Phone: (808) 667-7676. Providers update this record themselves, so call before visiting.
How can I verify Grant Keefer, MPAS, PA-C's license?
Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.
How much does Grant Keefer, MPAS, PA-C prescribe under Medicare Part D?
In 2024, Grant Keefer, MPAS, PA-C had 600 Medicare Part D claims for 347 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.