Quick answers
- Does Joanna Marie Plumb accept Medicare assignment?
- Yes. Medicare's clinician data says Joanna Marie Plumb accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Joanna Marie Plumb see?
- In 2024, CMS data shows 475 Original Medicare patients and 1,152 services for Joanna Marie Plumb. This counts Original Medicare only and measures volume, not quality.
- What is Joanna Marie Plumb's NPI number?
- 1114536448. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Joanna Marie Plumb, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 475 |
|---|---|
| Services billed to Medicare | 1,152 |
| Different services or procedures | 38 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)279 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)250 services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)142 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)95 services
- Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)91 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure68%
- Arthritis36%
- Chronic kidney disease31%
- Diabetes29%
- Ischemic heart disease20%
Practice locations
Addresses where Joanna Marie Plumb is enrolled with Medicare (CMS data updated October 2, 2026).
- 2180 Main StWailuku, HI 96793 (808) 242‑6464
- 55 Pukalani StMakawao, HI 96768 (808) 573‑6200
- 770 Kapiolani Blvd, Suite 500Honolulu, HI 96813 (808) 666‑9960
Group practices
Medicare enrollment lists Joanna Marie Plumb as a member of these groups (CMS data updated October 2, 2026).
- Maui Medical Group Inc67 clinicians in the group
- Mi-Health LLC33 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Wailuku
Clinicians with the same Medicare primary specialty in Wailuku, HI — not a recommendation.
Other clinicians in Maui Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114536448 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians