Macy Martinson, MD
Nephrology Physician · Hilo, HI
Macy Martinson, MD is a nephrology physician with a practice address in Hilo, Hawaii, and NPI 1881919348, issued on Mar 28, 2010. Check the license (Hawaii MD-23479, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Macy Martinson
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- MD-23479 HI
MD171945 OR
MD60548636 WA
Self-reported in NPPES; status is on the state search - Practice location
- 633 Ponahawai St Ste 103, Hilo, HI 96720
- Phone
- (808) 481-2300
- Enumerated
- Mar 28, 2010
- Record last updated
- Sep 25, 2025
- Fax
- (808) 481-2301
- Medicare enrollment
- Enrolled (PECOS I20230912004384); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 65 in Hawaii → Look up another NPI →
Verify Macy Martinson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-23479Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average nephrology physician in 2024
589 Medicare Part D claims for 186 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate76 claims
- Losartan Potassium48 claims
- Jardiance46 claims
- Lisinopril32 claims
- Allopurinol27 claims
- Calcitriol25 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: $167.57
2 payments; by number, the most common kind was food and beverage; the largest payer was Bard Peripheral Vascular, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Northwest Renal Clinic IncHilo, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Macy Martinson among 65 nephrology physician records in Hawaii
Macy Martinson, MD is one of 65 nephrology physician records with a practice address in Hawaii. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 71% of them.
- NPI issued2010 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2010 · median 2001 among the 47 with a school on file
- Record last updated2025 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Hawaii
There are 65 nephrology physician records in Hawaii.
All 65 in Hawaii → Every provider in Hilo → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Curtis Lee, MDHilo, HI 967201376537449
- James Ireland, MDEwa Beach, HI 967061376501171
- Jose Ganel, MDAiea, HI 967011144372350
- Evan Gross, M.D.Kailua Kona, HI 967401881646602
- Wei Boon Ooi, M.D.Kailua Kona, HI 967401124259676
- Loma Hassell, M.D.Kihei, HI 967531942290150
- Raymond Petrillo, MDLihue, HI 967661568431666
- Gildo Soriano, MDWahiawa, HI 967861386644862
Common questions
What is Macy Martinson, MD's NPI number?
Macy Martinson, MD's National Provider Identifier (NPI) is 1881919348, issued on Mar 28, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Macy Martinson, MD located?
The NPPES record lists a practice address at 633 Ponahawai St Ste 103, Hilo, HI, 96720. Phone: (808) 481-2300. Providers update this record themselves, so call before visiting.
How can I verify Macy Martinson, MD's license?
NPPES lists Hawaii license number MD-23479, 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 Macy Martinson, MD prescribe under Medicare Part D?
In 2024, Macy Martinson, MD had 589 Medicare Part D claims for 186 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.