Quick answers
- Does Marsha A. Nau accept Medicare assignment?
- Yes. Medicare's clinician data says Marsha A. Nau 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 Marsha A. Nau see?
- In 2024, CMS data shows 332 Original Medicare patients and 581 services for Marsha A. Nau. This counts Original Medicare only and measures volume, not quality.
- What is Marsha A. Nau's NPI number?
- 1790227676. 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 Marsha A. Nau, 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 | 332 |
|---|---|
| Services billed to Medicare | 581 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)170 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)67 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)51 services
- Automated urinalysis test (81003)46 services
- X-ray of chest, 2 views (71046)36 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 pressure74%
- Arthritis44%
- Diabetes37%
- Anxiety30%
- Depression25%
Practice locations
Addresses where Marsha A. Nau is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 101 N E Plz, Christianacare Gohealth UrgeNorth East, MD 21901 (410) 656‑7867
- 129 N Dupont HwyNew Castle, DE 19720 (302) 501‑6367
- 15 S Dupont HwyDover, DE 19901 (302) 857‑0876
- 200 Banning St, Suite 170Dover, DE 19904 (302) 674‑1999
- 2645 Pulaski Hwy, Spc ANewark, DE 19702 (302) 273‑1317
Group practices
Medicare enrollment lists Marsha A. Nau as a member of this group (CMS data updated October 2, 2026).
- Christiana Care Quality Partners94 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in North East
Clinicians with the same Medicare primary specialty in North East, MD — not a recommendation.
Other clinicians in Christiana Care Quality Partners
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1790227676 |
| 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