Macy Martinson, MD
NPI 1881919348 · Nephrology Physician · Hilo, HI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Macy Martinson, MD is a Nephrology Physician provider in Hilo, HI (NPI 1881919348).
Provider details
- NPI number
- 1881919348
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD171945 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
491 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 163 | $78 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 131 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 107 | $131 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 50 | $169 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 28 | $117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 76 | 38 |
| Losartan Potassium | 48 | 23 |
| Empagliflozinbrand: Jardiance | 46 | 11 |
| Lisinopril | 32 | 11 |
| Allopurinol | 27 | 11 |
| Furosemide | 25 | 15 |
| Potassium Chloride | 25 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$168 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1130 Nw 22nd Avenue, Ste 640Portland, OR 97210-2900Phone: (503) 229-7976Fax: (503) 274-4767
Registry dates
- Enumerated
- 2010-03-28
- Last updated
- 2025-09-25
- Certified
- 2025-09-25
Frequently asked questions
- What is Macy Martinson's NPI number?
- Macy Martinson's National Provider Identifier (NPI) is 1881919348, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Macy Martinson's specialty?
- Macy Martinson is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Macy Martinson located?
- Macy Martinson's practice location on file with NPPES is 633 Ponahawai St Ste 103, Hilo, HI 96720-7601.
- What is Macy Martinson's phone number?
- The practice phone number listed in the NPPES registry for Macy Martinson is (808) 481-2300.
- Does Macy Martinson accept Medicare?
- Macy Martinson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Macy Martinson's NPI active?
- Yes — Macy Martinson's NPI (1881919348) is active in the NPPES registry as of the last update on 2025-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.