Fielding L. Mercer, PA-C
Physician Assistant · Honolulu, HI
Fielding L. Mercer, PA-C is a physician assistant with a practice address in Honolulu, Hawaii, and NPI 1689743056, issued on Nov 7, 2006. Check the license (Hawaii AMD-29, as entered in NPPES) with the Hawaii board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Fielding L. Mercer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- AMD-29 HI
Self-reported in NPPES; status is on the state search - Practice location
- 3288 Moanalua RD, Honolulu, HI 96819
- Phone
- (808) 432-0000
- Enumerated
- Nov 7, 2006
- Record last updated
- Oct 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 53075014 HI
- Entity
- Type 1 · individual
Also registered at 3288 Moanalua RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Randal Aaberg, MDUrology Physician1588763981
- Peter Abcarian, MDVascular & Interventional Radiology Physician1457451155
- Melissa Abraham, M.A., CCC-SLPSpeech-Language Pathologist1295064301
- Alan Ahana, MDAnesthesiology Physician1376742239
- Harrison Aihara, PHARMDPharmacist1124174321
- Oluwatoyin Ajose, MDPediatrics Physician1114090008
Verify Fielding L. Mercer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Hawaii board licenses this profession
Search for license AMD-29Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average physician assistant in 2024
261 Medicare Part D claims for 126 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Losartan Potassium20 claims
- Azithromycin13 claims
- Albuterol Sulfate Hfa12 claims
- Cefdinir12 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: $60.60
3 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. The 64,719 providers of this specialty with any payment received $841.65 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.
Physician Assistant providers in Hawaii
There are 387 physician assistant records in Hawaii.
Other physician assistant records in Hawaii
- Patricia Achay, P.A.Kailua Kona, HI1740682889
- Christopher Acree, PAHonolulu, HI1629013032
- Natalie AdolfHonolulu, HI1396282414
- 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
- Cristen Aona, PA-CHonolulu, HI1992196927
Common questions
What is Fielding L. Mercer, PA-C's NPI number?
Fielding L. Mercer, PA-C's National Provider Identifier (NPI) is 1689743056, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Fielding L. Mercer, PA-C located?
The NPPES record lists a practice address at 3288 Moanalua RD, Honolulu, HI, 96819. Phone: (808) 432-0000. Providers update this record themselves, so call before visiting.
How can I verify Fielding L. Mercer, PA-C's license?
NPPES lists Hawaii license number AMD-29, as entered by the provider. Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.
How much does Fielding L. Mercer, PA-C prescribe under Medicare Part D?
In 2024, Fielding L. Mercer, PA-C had 261 Medicare Part D claims for 126 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.