Mary Catherine Sementi, D.O.
Internal Medicine Physician · Waimea, HI
Mary Catherine Sementi, D.O. is an internal medicine physician with a practice address in Waimea, Hawaii, and NPI 1770653966, issued on Nov 8, 2006. Check the license (Hawaii DOS-1038, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary Catherine Sementi
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DOS-1038 HI
Self-reported in NPPES; status is on the state search - Practice location
- 4643-B Waimea Canyon Drive, Waimea, HI 96796
- Phone
- (808) 240-0140
- Enumerated
- Nov 8, 2006
- Record last updated
- Nov 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (808) 338-1606
- Medicaid ID
- 555873 01 HI
- Medicare enrollment
- Enrolled (PECOS I20051104000377); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →
Also registered at 4643-B Waimea Canyon Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elisabeth Biuk-Aghai, M.D.Surgery Physician1740357938
Verify Mary Catherine Sementi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license DOS-1038Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
305 Medicare Part D claims for 68 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 31 claims were for opioids.
Most prescribed
- Tramadol Hcl17 claims
- Amlodipine Besylate15 claims
- Oxycodone Hcl13 claims
- Atorvastatin Calcium12 claims
- Losartan Potassium12 claims
- Furosemide11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 99.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $121.34
1 payment: food and beverage; the largest payer was TG Therapeutics, 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
- Bloomington Medical Services LLCWooster, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Catherine Sementi among 902 internal medicine physician records in Hawaii
Mary Catherine Sementi, D.O. is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 55% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1986 · median 2001 among the 491 with a school on file
- Record last updated2008 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Waimea
They are 2 of the 43 NPPES records with a practice address in Waimea, and 902 internal medicine physician records in Hawaii.
All 902 in Hawaii → Every provider in Waimea → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brian Newman, DOWaimea, HI 967961649631193
- Harry Acuna, MDWaipahu, HI 967971598872707
- Leon Garcia, MDWaipahu, HI 967971164521167
- Deborah Hirose-Ridao, MDWaipahu, HI 967971528073350
- Corazon Hobbs-Oshiro, MDWaipahu, HI 967971306830476
- Maria Ilar-Revilla, M.D.Waipahu, HI 967971619980471
- Aaron Kaichi, MDWaipahu, HI 967971790772580
- Timothy Kim, MDWaipahu, HI 967971962418939
Common questions
What is Mary Catherine Sementi, D.O.'s NPI number?
Mary Catherine Sementi, D.O.'s National Provider Identifier (NPI) is 1770653966, issued on Nov 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Catherine Sementi, D.O. located?
The NPPES record lists a practice address at 4643-B Waimea Canyon Drive, Waimea, HI, 96796. Phone: (808) 240-0140. Providers update this record themselves, so call before visiting.
How can I verify Mary Catherine Sementi, D.O.'s license?
NPPES lists Hawaii license number DOS-1038, 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 Mary Catherine Sementi, D.O. prescribe under Medicare Part D?
In 2024, Mary Catherine Sementi, D.O. had 305 Medicare Part D claims for 68 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mary Catherine Sementi, D.O.'s MIPS final score?
The 2023 MIPS final score is 99.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.