Irving W. Harper, MD
Internal Medicine Physician · Wailea, HI
Irving W. Harper, MD is an internal medicine physician with a practice address in Wailea, Hawaii, and NPI 1942286067, issued on Dec 20, 2005. Check the license (Hawaii MD - 12617, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Irving W. Harper
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD - 12617 HI
Self-reported in NPPES; status is on the state search - Practice location
- 161 Wailea Ike PL Ste A104, Wailea, HI 96753
- Phone
- (808) 874-5141
- Enumerated
- Dec 20, 2005
- Record last updated
- Jan 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (808) 875-1173
- Medicare enrollment
- Enrolled (PECOS I20040211000578); accepts Medicare assignment
- Entity
- Type 1 · individual
Verify Irving W. Harper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD - 12617Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% more Medicare Part D claims than the average internal medicine physician in 2024
3,716 Medicare Part D claims for 501 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 1,653 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen702 claims
- Gabapentin388 claims
- Oxycodone Hcl295 claims
- Pregabalin269 claims
- Tramadol Hcl237 claims
- Cyclobenzaprine Hcl216 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: $23.97
1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Alii Health CenterKailua Kona, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 internal medicine physician records list a practice address in Wailea
They are 2 of the 11 NPPES records with a practice address in Wailea, and 902 internal medicine physician records in Hawaii.
All 2 in Wailea → All 902 in Hawaii → Every provider in Wailea →
Other internal medicine physician records in Hawaii
- Carlos Abeyta, MDHilo, HI1942253109
- Harry Acuna, MDWaipahu, HI1598872707
- Dale Adams, MDKailua, HI1982709101
- Kevin Adams, MDHonolulu, HI1275640567
- Kyan Renie AgbayaniHonolulu, HI1083101323
- Wesam Agha, DOKealakekua, HI1700273554
- Akua Agyeman, MD PHDHonolulu, HI1831377688
- Timothy Ahu, MDAiea, HI1275611204
- Gerard Akaka, M.D.Honolulu, HI1285644658
- Sumi Akter, MDTripler Army Medical Center, HI1154107415
Common questions
What is Irving W. Harper, MD's NPI number?
Irving W. Harper, MD's National Provider Identifier (NPI) is 1942286067, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Irving W. Harper, MD located?
The NPPES record lists a practice address at 161 Wailea Ike PL Ste A104, Wailea, HI, 96753. Phone: (808) 874-5141. Providers update this record themselves, so call before visiting.
How can I verify Irving W. Harper, MD's license?
NPPES lists Hawaii license number MD - 12617, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Irving W. Harper, MD prescribe under Medicare Part D?
In 2024, Irving W. Harper, MD had 3,716 Medicare Part D claims for 501 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.